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if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'latex') == -1
" vimtex - LaTeX plugin for Vim
"
" Maintainer: Karl Yngve Lervåg
" Email: karl.yngve@gmail.com
"
scriptencoding utf-8
function! vimtex#syntax#p#amsmath#load() abort " {{{1
if has_key(b:vimtex_syntax, 'amsmath') | return | endif
let b:vimtex_syntax.amsmath = 1
" Allow subequations (fixes #1019)
" - This should be temporary, as it seems subequations is erroneously part of
" texBadMath from Charles Campbell's syntax plugin.
syntax match texBeginEnd
\ "\(\\begin\>\|\\end\>\)\ze{subequations}"
\ nextgroup=texBeginEndName
call vimtex#syntax#misc#new_math_zone('AmsA', 'align', 1)
call vimtex#syntax#misc#new_math_zone('AmsB', 'alignat', 1)
call vimtex#syntax#misc#new_math_zone('AmsD', 'flalign', 1)
call vimtex#syntax#misc#new_math_zone('AmsC', 'gather', 1)
call vimtex#syntax#misc#new_math_zone('AmsD', 'multline', 1)
call vimtex#syntax#misc#new_math_zone('AmsE', 'xalignat', 1)
call vimtex#syntax#misc#new_math_zone('AmsF', 'xxalignat', 0)
call vimtex#syntax#misc#new_math_zone('AmsG', 'mathpar', 1)
" Amsmath [lr][vV]ert (Holger Mitschke)
if has('conceal') && &enc ==# 'utf-8' && get(g:, 'tex_conceal', 'd') =~# 'd'
for l:texmath in [
\ ['\\lvert', '|'] ,
\ ['\\rvert', '|'] ,
\ ['\\lVert', '‖'] ,
\ ['\\rVert', '‖'] ,
\ ]
execute "syntax match texMathDelim '\\\\[bB]igg\\=[lr]\\="
\ . l:texmath[0] . "' contained conceal cchar=" . l:texmath[1]
endfor
endif
endfunction
" }}}1
endif
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