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kakoune/rc/extra/latex.kak

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