Rust indent block comment

rc/filetype/rust.kak

@@ -75,7 +75,7 @@ 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*//[!/]?\h* <ret> y gh j P
+            execute-keys -draft k <a-x> s ^\h*//[!/]{0,2}\h* <ret> y gh j P
         } catch %`
             # preserve previous line indent
             try %{ execute-keys -draft <semicolon> K <a-&> }

test/indent/rust/comment/in

@@ -2,7 +2,11 @@
 
     //! foo%( )
 
+    //!! foo%( )
+
     /// foo%( )
 
+    //// foo%( )
+
     println!("hello world"); // foo%( )
 

test/indent/rust/comment/out

@@ -4,8 +4,15 @@
     //! foo
     //! bar
 
+    //!! foo
+    //!! bar
+
     /// foo
     /// bar
 
+    //// foo
+    //// bar
+
     println!("hello world"); // foo
     bar
+

test/indent/rust/dedent/in

@@ -10,3 +10,7 @@
     foo()
         .bar()
         .baz();%( )
+
+    let t = "a
+    wah";%( )
+

test/indent/rust/dedent/out

@@ -14,3 +14,8 @@
         .bar()
         .baz();
     bar
+
+    let t = "a
+    wah";
+    bar
+