diff --git a/rc/filetype/rust.kak b/rc/filetype/rust.kak
index 049fc444..d7ff4952 100644
--- a/rc/filetype/rust.kak
+++ b/rc/filetype/rust.kak
@@ -39,10 +39,9 @@ add-highlighter shared/rust/line_doctest region ^\h*//[!/]\h*```($|should_panic|
 add-highlighter shared/rust/line_doctest/marker region ```.* $ group
 add-highlighter shared/rust/line_doctest/marker/fence regex ``` 0:meta
 add-highlighter shared/rust/line_doctest/marker/keywords regex [\d\w] 0:meta # already matched above, just ignore comma
-add-highlighter shared/rust/line_doctest/inner region '^\h*//[!/]\h+#' ' ' group
+add-highlighter shared/rust/line_doctest/inner region '^\h*//[!/]( #(?= )|)' '$| ' group
 add-highlighter shared/rust/line_doctest/inner/comment regex //[!/] 0:documentation
 add-highlighter shared/rust/line_doctest/inner/hidden regex '#' 0:meta
-add-highlighter shared/rust/line_doctest/comment region ^\h*//[!/] ' '                      fill documentation
 add-highlighter shared/rust/line_doctest/code default-region ref rust
 add-highlighter shared/rust/line_code_rest   region ^\h*//[!/]\h*``` ^\h*//[!/]\h*```$      fill documentation # reset invalid doctest
 add-highlighter shared/rust/line_comment2    region //[!/]{2} $                             fill comment
@@ -68,7 +67,6 @@ add-highlighter shared/rust/macro_attributes/ default-region fill meta
 add-highlighter shared/rust/macro_attributes/string region %{(?<!')"} (?<!\\)(\\\\)*" fill string
 add-highlighter shared/rust/macro_attributes/raw_string region -match-capture %{(?<!')r(#*)"} %{"(#*)} fill string
 
-add-highlighter shared/rust/code/byte_literal         regex "'\\\\?.'" 0:value
 add-highlighter shared/rust/code/long_quoted          regex "('\w+)[^']" 1:meta
 add-highlighter shared/rust/code/field_or_parameter   regex (_?\w+)(?::)(?!:) 1:variable
 add-highlighter shared/rust/code/namespace            regex [a-zA-Z](\w+)?(\h+)?(?=::) 0:module
@@ -81,10 +79,13 @@ add-highlighter shared/rust/code/macro                regex \b[A-z0-9_]+! 0:meta
 # the number literals syntax is defined here:
 # https://doc.rust-lang.org/reference/tokens.html#numbers
 add-highlighter shared/rust/code/values regex \b(?:self|true|false|[0-9][_0-9]*(?:\.[0-9][_0-9]*|(?:\.[0-9][_0-9]*)?E[\+\-][_0-9]+)(?:f(?:32|64))?|(?:0x[_0-9a-fA-F]+|0o[_0-7]+|0b[_01]+|[0-9][_0-9]*)(?:(?:i|u|f)(?:8|16|32|64|128|size))?)\b 0:value
-add-highlighter shared/rust/code/attributes regex \b(?:trait|struct|enum|type|mut|ref|static|const|default)\b 0:attribute
+add-highlighter shared/rust/code/attributes regex \b(?:trait|struct|enum|union|type|mut|ref|static|const|default)\b 0:attribute
 # the language keywords are defined here, but many of them are reserved and unused yet:
 # https://doc.rust-lang.org/reference/keywords.html
 add-highlighter shared/rust/code/keywords             regex \b(?:let|as|fn|return|match|if|else|loop|for|in|while|break|continue|move|box|where|impl|dyn|pub|unsafe|async|await|mod|crate|use|extern)\b 0:keyword
+add-highlighter shared/rust/code/char_character       regex "'([^\\]|\\(.|x[0-9a-fA-F]{2}|u\{[0-9a-fA-F]{1,6}\}))'" 0:green
+# TODO highlight error for unicode or single escape byte character
+add-highlighter shared/rust/code/byte_character       regex b'([\x00-\x5B\x5D-\x7F]|\\(.|x[0-9a-fA-F]{2}))' 0:yellow
 add-highlighter shared/rust/code/builtin_types        regex \b(?:u8|u16|u32|u64|u128|usize|i8|i16|i32|i64|i128|isize|f32|f64|bool|char|str|Self)\b 0:type
 add-highlighter shared/rust/code/return               regex \breturn\b 0:meta
 
@@ -98,9 +99,52 @@ define-command -hidden rust-trim-indent %{
 
 define-command -hidden rust-indent-on-new-line %~
     evaluate-commands -draft -itersel %<
-        # copy // comments prefix and following white spaces
         try %{
-            execute-keys -draft k <a-x> s ^\h*//[!/]{0,2}\h* <ret> y gh j P
+            try %[ # line comment
+                evaluate-commands -draft -save-regs '/"' %[
+                    # copy the commenting prefix
+                    execute-keys -save-regs '' k <a-x> s ^\h*//[!/]{0,2}\h* <ret> y
+                    try %[
+                        # if the previous comment isn't empty, create a new one
+                        execute-keys <a-x><a-K>^\h*//[!/]{0,2}$<ret> j<a-x>s^\h*<ret>P
+                    ] catch %[
+                        # TODO figure out a way to not delete empty comment in current line
+                        # if there is no space and text in the previous comment, remove it completely
+                        execute-keys s //.*<ret> d
+                    ]
+                ]
+            ] catch %[ # block comment
+                # if the previous line isn't within a comment scope, break
+                execute-keys -draft k<a-x> <a-k>^(\h*/\*|\h+\*(?!/))<ret>
+
+                # find comment opening, validate it was not closed, and check its using star prefixes
+                execute-keys -draft <a-?>/\*<ret><a-H> <a-K>\*/<ret> <a-k>\A\h*/\*([^\n]*\n\h*\*)*[^\n]*\n\h*.\z<ret>
+
+                try %[
+                    # if the previous line is opening the comment, insert star preceeded by space
+                    execute-keys -draft k<a-x><a-k>^\h*/\*<ret>
+                    execute-keys -draft i*<space><esc>
+                ] catch %[
+                    try %[
+                        # if the next line is a comment line insert a star
+                        execute-keys -draft j<a-x><a-k>^\h+\*<ret>
+                        execute-keys -draft i*<space><esc>
+                    ] catch %[
+                        try %[
+                            # if the previous line is an empty comment line, close the comment scope
+                            execute-keys -draft k<a-x><a-k>^\h+\*\h+$<ret> <a-x>1s\*(\h*)<ret>c/<esc>
+                        ] catch %[
+                            # if the previous line is a non-empty comment line, add a star
+                            execute-keys -draft i*<space><esc>
+                        ]
+                    ]
+                ]
+
+                # trim trailing whitespace on the previous line
+                try %[ execute-keys -draft s\h+$<ret> d ]
+                # align the new star with the previous one
+                execute-keys K<a-x>1s^[^*]*(\*)<ret>&
+            ]
         } catch %`
             # preserve previous line indent
             try %{ execute-keys -draft <semicolon> K <a-&> }
@@ -129,7 +173,7 @@ define-command -hidden rust-indent-on-opening-curly-brace %[
     evaluate-commands -draft -itersel %_
         # align indent with opening paren when { is entered on a new line after the closing paren
         try %[ execute-keys -draft h <a-F> ) M <a-k> \A\(.*\)\h*\n\h*\{\z <ret> s \A|.\z <ret> 1<a-&> ]
-        # dedent standalone { after impl or fn block without any { in between
+        # dedent standalone { after impl and related block without any { in between
         try %< execute-keys -draft hh <a-?> impl|fn|struct|enum|union <ret> <a-K> \{ <ret> <a-semicolon> <semicolon> ll <a-x> <a-k> ^\h*\{$ <ret> <a-lt> >
     _
 ]
diff --git a/test/highlight/rust/comment/in b/test/highlight/rust/comment/in
deleted file mode 100644
index 2ce32f0a..00000000
--- a/test/highlight/rust/comment/in
+++ /dev/null
@@ -1,88 +0,0 @@
-//! # Hello World
-//!
-//! ```shell
-//! $ cargo install
-//! ```
-//!
-//! ```
-//! # use foo;
-//! foo::bar("Hello world");
-//! ```
-
-//!! ```
-//!! foo::bar("Hello world");
-//!! ```
-
-//// ```
-//// foo::bar("Hello world");
-//// ```
-
-// ```
-// foo::bar("Hello world");
-// ```
-
-// make sure the color does not break
-/// ```
-/// # use foo;
-/// foo::bar("Hello world");
-/// ```
-fn bar(s: &str) {
-    println!("{}", s);
-}
-
-    /// ```shell
-    /// $ cargo install
-    /// ```
-    ///
-    /// ```edition2018,no_run
-    /// # use foo;
-    /// foo::bar("Hello world");
-    /// ```
-    ///
-    /// ```
-    /// # use foo;
-    /// foo::bar("Hello world");
-    /// ```
-
-    //!! ```
-    //!! foo::bar("Hello world");
-    //!! ```
-
-    //// ```
-    //// foo::bar("Hello world");
-    //// ```
-
-    // ```
-    // foo::bar("Hello world");
-    // ```
-
-    /**
-     * ```shell
-     * $ cargo install
-     * ```
-     *
-     * ```edition2018,no_run
-     * # use foo;
-     * foo::bar("Hello world");
-     * ```
-     */
-
-    /**
-     ```
-     # use foo;
-     foo::bar("Hello world");
-     ```
-     */
-
-    /***
-     * ```
-     * foo::bar("Hello world");
-     * ```
-     */
-
-    /*
-     * ```
-     * foo::bar("Hello world");
-     * ```
-     */
-
diff --git a/test/highlight/rust/comment/script b/test/highlight/rust/comment/script
deleted file mode 100644
index 560e4d98..00000000
--- a/test/highlight/rust/comment/script
+++ /dev/null
@@ -1,7 +0,0 @@
-ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
-ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": "/" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/! # Hello World" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! ```shell\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! $ cargo install\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "use" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " foo;\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "foo" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "::" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "bar" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"Hello world\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! foo::bar(\"Hello world\");" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//// foo::bar(\"Hello world\");" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// foo::bar(\"Hello world\");" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// make sure the color does not break" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
-ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
-ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
-ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
-ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
-ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/comment/cmd b/test/highlight/rust/comment0/cmd
similarity index 100%
rename from test/highlight/rust/comment/cmd
rename to test/highlight/rust/comment0/cmd
diff --git a/test/highlight/rust/comment0/in b/test/highlight/rust/comment0/in
new file mode 100644
index 00000000..88298fed
--- /dev/null
+++ b/test/highlight/rust/comment0/in
@@ -0,0 +1,8 @@
+// make sure the color does not break
+/// ```
+/// # use foo;
+/// foo::bar("Hello world");
+/// ```
+fn bar(s: &str) {
+    println!("{}", s);
+}
diff --git a/test/highlight/rust/comment/rc b/test/highlight/rust/comment0/rc
similarity index 100%
rename from test/highlight/rust/comment/rc
rename to test/highlight/rust/comment0/rc
diff --git a/test/highlight/rust/comment0/script b/test/highlight/rust/comment0/script
new file mode 100644
index 00000000..9de740ab
--- /dev/null
+++ b/test/highlight/rust/comment0/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": "/" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/ make sure the color does not break" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "use" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " foo;\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "foo" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "::" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "bar" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"Hello world\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "fn" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "bar" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "s" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ": &" }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "str" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ") {\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "println!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"{}\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ", s);\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "}\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/doc_comment_hidden/cmd b/test/highlight/rust/doc_comment_hidden/cmd
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/highlight/rust/doc_comment_hidden/cmd
@@ -0,0 +1 @@
+
diff --git a/test/highlight/rust/doc_comment_hidden/in b/test/highlight/rust/doc_comment_hidden/in
new file mode 100644
index 00000000..37cc3c31
--- /dev/null
+++ b/test/highlight/rust/doc_comment_hidden/in
@@ -0,0 +1,15 @@
+    //! ```
+    //! // not hidden #
+    //! #![feature(x)]
+    //! # // hidden #
+    //! # #![feature(x)]
+    //! ```
+
+    /**
+     * ```
+     * // not hidden #
+     * #![feature(x)]
+     * # // hidden #
+     * # #![feature(x)]
+     * ```
+     */
diff --git a/test/indent/rust/comment/rc b/test/highlight/rust/doc_comment_hidden/rc
similarity index 100%
rename from test/indent/rust/comment/rc
rename to test/highlight/rust/doc_comment_hidden/rc
diff --git a/test/highlight/rust/doc_comment_hidden/script b/test/highlight/rust/doc_comment_hidden/script
new file mode 100644
index 00000000..5ae5f540
--- /dev/null
+++ b/test/highlight/rust/doc_comment_hidden/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "   " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// not hidden #" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#![feature(x)]" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// hidden #" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#![feature(x)]" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/**\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// not hidden #" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": " #![feature(x)]" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": " #" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// hidden #" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": " #" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#![feature(x)]" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     */" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/doc_comment_hidden_with_empty_line/cmd b/test/highlight/rust/doc_comment_hidden_with_empty_line/cmd
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/highlight/rust/doc_comment_hidden_with_empty_line/cmd
@@ -0,0 +1 @@
+
diff --git a/test/highlight/rust/doc_comment_hidden_with_empty_line/in b/test/highlight/rust/doc_comment_hidden_with_empty_line/in
new file mode 100644
index 00000000..163b6424
--- /dev/null
+++ b/test/highlight/rust/doc_comment_hidden_with_empty_line/in
@@ -0,0 +1,13 @@
+    /// ```
+    /// println!("empty line");
+    ///
+    /// println!("continue line");
+    /// ```
+
+    /**
+     * ```
+     * println!("empty line");
+     *
+     * println!("continue line");
+     * ```
+     */
diff --git a/test/highlight/rust/doc_comment_hidden_with_empty_line/rc b/test/highlight/rust/doc_comment_hidden_with_empty_line/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/highlight/rust/doc_comment_hidden_with_empty_line/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/highlight/rust/doc_comment_hidden_with_empty_line/script b/test/highlight/rust/doc_comment_hidden_with_empty_line/script
new file mode 100644
index 00000000..5e4cf3f6
--- /dev/null
+++ b/test/highlight/rust/doc_comment_hidden_with_empty_line/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "   " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "println!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"empty line\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "println!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"continue line\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/**\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "println!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"empty line\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "println!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"continue line\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     */" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/inner_block_comment1/cmd b/test/highlight/rust/inner_block_comment1/cmd
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/highlight/rust/inner_block_comment1/cmd
@@ -0,0 +1 @@
+
diff --git a/test/highlight/rust/inner_block_comment1/in b/test/highlight/rust/inner_block_comment1/in
new file mode 100644
index 00000000..ad255bdd
--- /dev/null
+++ b/test/highlight/rust/inner_block_comment1/in
@@ -0,0 +1,11 @@
+    /***
+     * ```
+     * foo::bar("Hello world");
+     * ```
+     */
+
+    /*
+     * ```
+     * foo::bar("Hello world");
+     * ```
+     */
diff --git a/test/highlight/rust/inner_block_comment1/rc b/test/highlight/rust/inner_block_comment1/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/highlight/rust/inner_block_comment1/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/highlight/rust/inner_block_comment1/script b/test/highlight/rust/inner_block_comment1/script
new file mode 100644
index 00000000..6a5a3d0e
--- /dev/null
+++ b/test/highlight/rust/inner_block_comment1/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "   " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/***\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * ```\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * foo::bar(\"Hello world\");\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * ```\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     */" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/*\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * ```\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * foo::bar(\"Hello world\");\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * ```\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     */" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/inner_block_doc_comment1/cmd b/test/highlight/rust/inner_block_doc_comment1/cmd
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/highlight/rust/inner_block_doc_comment1/cmd
@@ -0,0 +1 @@
+
diff --git a/test/highlight/rust/inner_block_doc_comment1/in b/test/highlight/rust/inner_block_doc_comment1/in
new file mode 100644
index 00000000..1ede5fc2
--- /dev/null
+++ b/test/highlight/rust/inner_block_doc_comment1/in
@@ -0,0 +1,17 @@
+    /**
+     * ```shell
+     * $ cargo install
+     * ```
+     *
+     * ```edition2018,no_run
+     * # use foo;
+     * foo::bar("Hello world");
+     * ```
+     */
+
+    /**
+     ```
+     # use foo;
+     foo::bar("Hello world");
+     ```
+     */
diff --git a/test/highlight/rust/inner_block_doc_comment1/rc b/test/highlight/rust/inner_block_doc_comment1/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/highlight/rust/inner_block_doc_comment1/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/highlight/rust/inner_block_doc_comment1/script b/test/highlight/rust/inner_block_doc_comment1/script
new file mode 100644
index 00000000..ece62ee7
--- /dev/null
+++ b/test/highlight/rust/inner_block_doc_comment1/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "   " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/**\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * ```shell\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * $ cargo install\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * ```\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     * " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```edition2018" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "," }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "no_run" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": " #" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "use" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " foo;\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "foo" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "::" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "bar" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"Hello world\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     *" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     */" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/**\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "     #" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "use" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " foo;\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "     " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "foo" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "::" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "bar" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"Hello world\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "     " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "     */" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/inner_line_doc_comment1/cmd b/test/highlight/rust/inner_line_doc_comment1/cmd
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/highlight/rust/inner_line_doc_comment1/cmd
@@ -0,0 +1 @@
+
diff --git a/test/highlight/rust/inner_line_doc_comment1/in b/test/highlight/rust/inner_line_doc_comment1/in
new file mode 100644
index 00000000..988cc706
--- /dev/null
+++ b/test/highlight/rust/inner_line_doc_comment1/in
@@ -0,0 +1,13 @@
+    /// ```shell
+    /// $ cargo install
+    /// ```
+    ///
+    /// ```edition2018,no_run
+    /// # use foo;
+    /// foo::bar("Hello world");
+    /// ```
+    ///
+    /// ```
+    /// # use foo;
+    /// foo::bar("Hello world");
+    /// ```
diff --git a/test/highlight/rust/inner_line_doc_comment1/rc b/test/highlight/rust/inner_line_doc_comment1/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/highlight/rust/inner_line_doc_comment1/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/highlight/rust/inner_line_doc_comment1/script b/test/highlight/rust/inner_line_doc_comment1/script
new file mode 100644
index 00000000..fc014de3
--- /dev/null
+++ b/test/highlight/rust/inner_line_doc_comment1/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": " " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "   /// ```shell\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "    /// $ cargo install\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "    /// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```edition2018" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "," }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "no_run" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "use" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " foo;\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "foo" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "::" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "bar" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"Hello world\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "use" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " foo;\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "foo" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "::" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "bar" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"Hello world\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "///" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/line_comment1/cmd b/test/highlight/rust/line_comment1/cmd
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/highlight/rust/line_comment1/cmd
@@ -0,0 +1 @@
+
diff --git a/test/highlight/rust/line_comment1/in b/test/highlight/rust/line_comment1/in
new file mode 100644
index 00000000..97d87ced
--- /dev/null
+++ b/test/highlight/rust/line_comment1/in
@@ -0,0 +1,11 @@
+    //!! ```
+    //!! foo::bar("Hello world");
+    //!! ```
+
+    //// ```
+    //// foo::bar("Hello world");
+    //// ```
+
+    // ```
+    // foo::bar("Hello world");
+    // ```
diff --git a/test/highlight/rust/line_comment1/rc b/test/highlight/rust/line_comment1/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/highlight/rust/line_comment1/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/highlight/rust/line_comment1/script b/test/highlight/rust/line_comment1/script
new file mode 100644
index 00000000..0eb3f2f4
--- /dev/null
+++ b/test/highlight/rust/line_comment1/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "   " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! foo::bar(\"Hello world\");" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//// foo::bar(\"Hello world\");" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// foo::bar(\"Hello world\");" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "    " }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "// ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/outer_block_doc_comment0/cmd b/test/highlight/rust/outer_block_doc_comment0/cmd
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/highlight/rust/outer_block_doc_comment0/cmd
@@ -0,0 +1 @@
+
diff --git a/test/highlight/rust/outer_block_doc_comment0/in b/test/highlight/rust/outer_block_doc_comment0/in
new file mode 100644
index 00000000..f17230bc
--- /dev/null
+++ b/test/highlight/rust/outer_block_doc_comment0/in
@@ -0,0 +1,14 @@
+//! # Hello World
+//!
+//! ```shell
+//! $ cargo install
+//! ```
+//!
+//! ```
+//! # use foo;
+//! foo::bar("Hello world");
+//! ```
+
+//!! ```
+//!! foo::bar("Hello world");
+//!! ```
diff --git a/test/highlight/rust/outer_block_doc_comment0/rc b/test/highlight/rust/outer_block_doc_comment0/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/highlight/rust/outer_block_doc_comment0/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/highlight/rust/outer_block_doc_comment0/script b/test/highlight/rust/outer_block_doc_comment0/script
new file mode 100644
index 00000000..7792c638
--- /dev/null
+++ b/test/highlight/rust/outer_block_doc_comment0/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": "/" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "/! # Hello World" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! ```shell\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! $ cargo install\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//! ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "#" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "use" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " foo;\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "foo" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "::" }, { "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "bar" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "(" }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "\"Hello world\"" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": ");\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "magenta", "bg": "default", "attributes": [] }, "contents": "```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! foo::bar(\"Hello world\");" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "cyan", "bg": "default", "attributes": [] }, "contents": "//!! ```" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/highlight/rust/value/cmd b/test/highlight/rust/value/cmd
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/test/highlight/rust/value/cmd
@@ -0,0 +1 @@
+
diff --git a/test/highlight/rust/value/in b/test/highlight/rust/value/in
new file mode 100644
index 00000000..03c0d8f8
--- /dev/null
+++ b/test/highlight/rust/value/in
@@ -0,0 +1,2 @@
+b'\' b'\x00' b'0' b'a' b' ' b'!' b'\n' b'一' b'\u{12}'
+'\x00' '0' 'a' ' ' '!' '\n' '\u{12}' '一'
diff --git a/test/highlight/rust/value/rc b/test/highlight/rust/value/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/highlight/rust/value/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/highlight/rust/value/script b/test/highlight/rust/value/script
new file mode 100644
index 00000000..6276322f
--- /dev/null
+++ b/test/highlight/rust/value/script
@@ -0,0 +1,7 @@
+ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": ["final_fg","final_bg"] }, "contents": "b" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "'\\' " }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "b'\\x00'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "b'0'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "b'a'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "b' '" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "b'!'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "b'\\n'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " b" }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'一'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " b" }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'\\u{12}'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'\\x00'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'0'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'a'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "' '" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'!'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'\\n'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'\\u{12}'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "'一'" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
+ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 0 }] }'
+ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'
diff --git a/test/indent/rust/comment/cmd b/test/indent/rust/block-comment-close/cmd
similarity index 100%
rename from test/indent/rust/comment/cmd
rename to test/indent/rust/block-comment-close/cmd
diff --git a/test/indent/rust/block-comment-close/in b/test/indent/rust/block-comment-close/in
new file mode 100644
index 00000000..2553fd94
--- /dev/null
+++ b/test/indent/rust/block-comment-close/in
@@ -0,0 +1,6 @@
+    /* foo
+     * %( )
+
+    /* foo
+     *%( )
+
diff --git a/test/indent/rust/block-comment-close/out b/test/indent/rust/block-comment-close/out
new file mode 100644
index 00000000..4cdd2f36
--- /dev/null
+++ b/test/indent/rust/block-comment-close/out
@@ -0,0 +1,8 @@
+    /* foo
+     */
+bar
+
+    /* foo
+     *
+     * bar
+
diff --git a/test/indent/rust/block-comment-close/rc b/test/indent/rust/block-comment-close/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/indent/rust/block-comment-close/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/indent/rust/block-comment/cmd b/test/indent/rust/block-comment/cmd
new file mode 100644
index 00000000..8682d51e
--- /dev/null
+++ b/test/indent/rust/block-comment/cmd
@@ -0,0 +1 @@
+c<ret>bar<esc>
diff --git a/test/indent/rust/block-comment/in b/test/indent/rust/block-comment/in
new file mode 100644
index 00000000..c38e3e41
--- /dev/null
+++ b/test/indent/rust/block-comment/in
@@ -0,0 +1,12 @@
+    /* foo%( )
+
+    /*! foo%( )
+
+    /*!! foo%( )
+
+    /** foo%( )
+
+    /*** foo%( )
+
+    println!("hello world"); /* foo%( )
+
diff --git a/test/indent/rust/block-comment/out b/test/indent/rust/block-comment/out
new file mode 100644
index 00000000..e6c24302
--- /dev/null
+++ b/test/indent/rust/block-comment/out
@@ -0,0 +1,18 @@
+    /* foo
+     * bar
+
+    /*! foo
+     * bar
+
+    /*!! foo
+     * bar
+
+    /** foo
+     * bar
+
+    /*** foo
+     * bar
+
+    println!("hello world"); /* foo
+    bar
+
diff --git a/test/indent/rust/block-comment/rc b/test/indent/rust/block-comment/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/indent/rust/block-comment/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/indent/rust/line-comment-close/cmd b/test/indent/rust/line-comment-close/cmd
new file mode 100644
index 00000000..8682d51e
--- /dev/null
+++ b/test/indent/rust/line-comment-close/cmd
@@ -0,0 +1 @@
+c<ret>bar<esc>
diff --git a/test/indent/rust/line-comment-close/in b/test/indent/rust/line-comment-close/in
new file mode 100644
index 00000000..6832ae64
--- /dev/null
+++ b/test/indent/rust/line-comment-close/in
@@ -0,0 +1,26 @@
+    // foo
+    // %( )
+
+    // foo
+    //%( )
+
+    //! %( )
+
+    //!%( )
+
+    //!! %( )
+
+    //!!%( )
+
+    /// %( )
+
+    ///%( )
+
+    //// %( )
+
+    ////%( )
+
+    println!("hello world"); // %( )
+
+    println!("hello world"); //%( )
+
diff --git a/test/indent/rust/line-comment-close/out b/test/indent/rust/line-comment-close/out
new file mode 100644
index 00000000..dc8f04e4
--- /dev/null
+++ b/test/indent/rust/line-comment-close/out
@@ -0,0 +1,33 @@
+    // foo
+    //
+    // bar
+
+    // foo
+    bar
+
+    //!
+    //! bar
+
+    bar
+
+    //!!
+    //!! bar
+
+    bar
+
+    ///
+    /// bar
+
+    bar
+
+    ////
+    //// bar
+
+    bar
+
+    println!("hello world"); //
+    bar
+
+    println!("hello world"); //
+    bar
+
diff --git a/test/indent/rust/line-comment-close/rc b/test/indent/rust/line-comment-close/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/indent/rust/line-comment-close/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust
diff --git a/test/indent/rust/line-comment/cmd b/test/indent/rust/line-comment/cmd
new file mode 100644
index 00000000..8682d51e
--- /dev/null
+++ b/test/indent/rust/line-comment/cmd
@@ -0,0 +1 @@
+c<ret>bar<esc>
diff --git a/test/indent/rust/comment/in b/test/indent/rust/line-comment/in
similarity index 100%
rename from test/indent/rust/comment/in
rename to test/indent/rust/line-comment/in
diff --git a/test/indent/rust/comment/out b/test/indent/rust/line-comment/out
similarity index 100%
rename from test/indent/rust/comment/out
rename to test/indent/rust/line-comment/out
diff --git a/test/indent/rust/line-comment/rc b/test/indent/rust/line-comment/rc
new file mode 100644
index 00000000..64064c25
--- /dev/null
+++ b/test/indent/rust/line-comment/rc
@@ -0,0 +1,3 @@
+source "%val{runtime}/colors/default.kak"
+source "%val{runtime}/rc/filetype/rust.kak"
+set buffer filetype rust