Add a LaTeX support script

rc/extra/latex.kak

@@ -0,0 +1,44 @@
+# https://www.latex-project.org/
+#
+
+# Detection
+# ‾‾‾‾‾‾‾‾‾
+
+hook global BufSetOption mimetype=text/x-tex %{
+    set buffer filetype latex
+}
+
+hook global BufCreate .*\.tex %{
+    set buffer filetype latex
+}
+
+# Highlighters
+# ‾‾‾‾‾‾‾‾‾‾‾‾
+
+addhl -group / regions -default content latex \
+    comment '^%' '\n' ''
+
+addhl -group /latex/comment fill comment
+# Scopes, starting with a backslash
+addhl -group /latex/content regex '\\\w+\>' 0:keyword
+# Options passed to scopes, between brackets
+addhl -group /latex/content regex '\\\w+\>\[([^]]+)\]' 1:value
+# Content between dollar signs/pairs
+addhl -group /latex/content regex '\$\$?[^$]+\$\$?' 0:magenta
+# Emphasized text
+addhl -group /latex/content regex '\\(emph|textit)\{([^}]+)\}' 2:default+i
+# Bold text
+addhl -group /latex/content regex '\\textbf\{([^}]+)\}' 1:default+b
+
+# Initialization
+# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
+
+hook global WinSetOption filetype=latex %{
+    addhl ref latex
+
+    set window comment_line_chars '%'
+}
+
+hook global WinSetOption filetype=(?!latex).* %{
+    rmhl latex
+}