bf6e5daa08
boost regex tolerates non-escaped special characters, and escaped non-special characters. Standardize on stricter syntax, where special characters must be escaped, and non-special characters must not.
35 lines
1.1 KiB
Plaintext
35 lines
1.1 KiB
Plaintext
# https://www.latex-project.org/
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#
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# Detection
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# ‾‾‾‾‾‾‾‾‾
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hook global BufCreate .*\.tex %{
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set buffer filetype latex
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}
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# Highlighters
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# ‾‾‾‾‾‾‾‾‾‾‾‾
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add-highlighter -group / regions -default content latex \
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comment '(?<!\\)%' '\n' ''
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add-highlighter -group /latex/comment fill comment
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# Scopes, starting with a backslash
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add-highlighter -group /latex/content regex '\\(?!_)\w+\b' 0:keyword
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# Options passed to scopes, between brackets
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add-highlighter -group /latex/content regex '\\(?!_)\w+\b\[([^\]]+)\]' 1:value
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# Content between dollar signs/pairs
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add-highlighter -group /latex/content regex '(\$(\\\$|[^$])+\$)|(\$\$(\\\$|[^$])+\$\$)' 0:magenta
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# Emphasized text
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add-highlighter -group /latex/content regex '\\(emph|textit)\{([^}]+)\}' 2:default+i
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# Bold text
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add-highlighter -group /latex/content regex '\\textbf\{([^}]+)\}' 1:default+b
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# Initialization
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# ‾‾‾‾‾‾‾‾‾‾‾‾‾‾
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hook -group latex-highlight global WinSetOption filetype=latex %{ add-highlighter ref latex }
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hook -group latex-highlight global WinSetOption filetype=(?!latex).* %{ remove-highlighter latex }
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