Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 321 by [email protected]: syntax/tex.vim does not track braces inside \ensuremath{} blocks
https://code.google.com/p/vim/issues/detail?id=321

What steps will reproduce the problem?
1. open vim
2. type ":setf tex"
3. type
\ensuremath{
    \frac{r_b}{r_a}
}

What is the expected output?
The entire block should have math highlighting.

What do you see instead?
The math highlighting stops after the first }.

What version of the product are you using? On what operating system?
vim 7.4.580, archlinux

Please provide any additional information below.
Clearly the problem is that syntax/tex.vim line 469, which reads

syn region texMathZoneZ matchgroup=texStatement start="\\ensuremath\s*{" matchgroup=texStatement end="}" end="%stopzone\>" contains=@texMathZoneGroup

does not track all of the braces inside the \ensuremath{} block, so the block ends at the first close brace it sees. I don't know how to fix it, though.

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