8000 escaped curly brackets not correctly highlighted · Issue #178 · area/language-latex · GitHub
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escaped curly brackets not correctly highlighted #178

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rammmiro opened this issue Apr 9, 2018 · 1 comment
Open

escaped curly brackets not correctly highlighted #178

rammmiro opened this issue Apr 9, 2018 · 1 comment

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@rammmiro
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rammmiro commented Apr 9, 2018

Steps to reproduce & Minimum working example

Crate a .tex file with the following line:

$a \in \{0,1\}^n$

Expected behaviour

Both escaped curly brackets should be highlighted.

Actual behaviour

example1

Additional information

They require additional spacing to be properly highlighted.

$a \in \{ 0,1\} ^n$

example2

I think this is not the expected behavior, particularly the space between the second bracket and the exponent seems weird to me.

Maybe I am confused and no highlighting should appear, but then it will be inconsistent, as a minus sing forces the highlighting:

$a \in \{-1,1\}^n$

example3

I hope I am not doing anything wrong and this issue to be helpful.
@Aerijo
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Aerijo commented Apr 9, 2018 •
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Anybody know what this is for?

language-latex/grammars/tex.cson

Lines 214 to 220 in 2447b74

{
'captures':
'1':
'name': 'punctuation.definition.constant.math.tex'
'match': '(\\\\)([^a-zA-Z]|[A-Za-z]+)(?=\\b|\\}|\\]|\\^|\\_)'
'name': 'constant.other.general.math.tex'
}

It's the cause of the problem, but I don't even know why it's there.

https://regex101.com/r/FAsSJ5/1

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