[checks] Add checks for indexing of some operators

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#8,813 opened on Mar 25, 2026 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 3/5
Estimated time: 1-2 days
Newbie friendliness: 62/100

Issue type: Feature
Clarity: Mostly clear
Activity status: Quiet
Tech stack: cpp, latex
Domain: documentation, testing-qa

Research direction

Start by locating the indexing checks and the current LaTeX source that produces the draft index. Compare the listed operator forms with the indices in N5032 and the behavior shown by eel.is/c++draft/libraryindex. Done means the checks cover every listed escaped form and detect the currently unescaped cases without false failures.

Written by the indexing model from the issue text.

Description

P3-Other

Due to some restrictions of LaTeX, these operators need to be escaped in indexing:

operator& -> operator\&
operator&& -> operator\&\&
operator&= -> operator\&=
operator% -> operator\%
operator%= -> operator\%=
operator~ -> operator\~{}
operator^ -> operator\caret
operator^= -> operator\caret=
operator! -> operator"!
operator!= -> operator"!=
operator""suffix -> operator""""suffix
operator| -> operator"|
operator|| -> operator"|"|
operator|= -> operator"|=

The current LaTeX source of working draft contains some unescaped forms in the indices, which makes some operators not correctly indexed in N5032.

Also, it's curious that unescaped | is correctly parsed in https://eel.is/c++draft/libraryindex.

Dominant language: TeX
Stars: 221
Forks: 813
Avg merge: 16h 4m
Merged PRs (30d): 36

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