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Syntax highlight "LaTeX math fragments" and provide conceal options (#1)

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"LaTeX math fragments" will now be syntax highlighted in Org mode files.
If `conceallevel=2` is set, the LaTeX symbols will be displayed as their
Unicode equivalents.  E.g.

    $\alpha$ --> α
    \( x^2 \)  --> x²

For more info, see: <https://orgmode.org/manual/LaTeX-fragments.html#LaTeX-fragments>
This commit is contained in:
Gavinok
2020-04-02 15:40:56 -06:00
committed by GitHub
parent 66fdf66321
commit be53a9cb85
1 changed files with 24 additions and 6 deletions
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30
syntax/org.vim
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@@ -65,12 +65,12 @@ highlight def link orgComment Comment
" Headings
syntax match orgHeading1 /^\s*\*\{1}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo
syntax match orgHeading2 /^\s*\*\{2}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo
syntax match orgHeading3 /^\s*\*\{3}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo
syntax match orgHeading4 /^\s*\*\{4}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo
syntax match orgHeading5 /^\s*\*\{5}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo
syntax match orgHeading6 /^\s*\*\{6,}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo
syntax match orgHeading1 /^\s*\*\{1}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo,orgMath
syntax match orgHeading2 /^\s*\*\{2}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo,orgMath
syntax match orgHeading3 /^\s*\*\{3}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo,orgMath
syntax match orgHeading4 /^\s*\*\{4}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo,orgMath
syntax match orgHeading5 /^\s*\*\{5}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo,orgMath
syntax match orgHeading6 /^\s*\*\{6,}\s\+.*$/ keepend contains=@Spell,orgTag,orgTodo,orgMath
syntax match orgTag /:\w\{-}:/ contained contains=orgTag
exec 'syntax keyword orgTodo contained ' . join(org#option('org_state_keywords', ['TODO', 'NEXT', 'DONE']), ' ')
@@ -111,5 +111,23 @@ highlight def link orgHyperCentre Comment
highlight def link orgHyperLeft Comment
highlight def link orgHyperRight Comment
" TeX
" Support for both inline and block based embedded latex
" eg: $Latex$ for inline or $$ LaTeX $$ for a block
" Note:
" - $LaTeX$ uses the tex.vim syntax for its conceal properties
" - Inspired by https://github.com/vim-pandoc/vim-pandoc-syntax
" - the conceal settings follows your g:tex_conceal setting for
" more info run :h tex-conceal.
" Ref: https://orgmode.org/manual/LaTeX-fragments.html#LaTeX-fragments
syntax include @LATEX syntax/tex.vim
syntax region orgMath start="\\begin\[.*\]{.*}" end="\\end{.*}" keepend contains=@LATEX
syntax region orgMath start="\\begin{.*}" end="\\end{.*}" keepend contains=@LATEX
syntax region orgMath start="\\\[" end="\\\]" keepend contains=@LATEX
syntax region orgMath start="\\(" end="\\)" keepend contains=@LATEX
syntax region orgMath start="\S\@<=\$\|\$\S\@=" end="\S\@<=\$\|\$\S\@=" keepend oneline contains=@LATEX
syntax region orgMath start=/\$\$/ end=/\$\$/ keepend contains=@LATEX
syntax match orgMath /\\\$/ conceal cchar=$
hi def link orgMath String
let b:current_syntax = 'org'