w3c / w3c/mathml-core

Whether/when to mirror operators

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level-2
Dominant language
HTML
Stars
56
Forks
20
PR merge metrics
No merged PRs in 30d

Description

(This is part of the I18n WG review.)

According to Arabic mathematical notation (the W3C Note from 2006), certain operators are mirrored in right-to-left formulas. But not all operators have mirrored versions in Unicode. For those operators, Firefox appears to make its own, while Chromium and Safari use the non-mirrored glyphs.

The MathML Core spec doesn't say which is correct, or if both are correct. It probably should.

(Firefox's rendering looks better, and more closely matches the Note, even if the naively mirrored glyphs are not quite as good as the redesigned glyphs that the Note calls for.)

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Read the MathML Core specification alongside the linked W3C Arabic mathematical notation note. Compare the stated behavior with the Firefox, Chromium, and Safari rendering described in the issue, then determine what normative guidance is needed for operators without Unicode mirrored glyphs. Done means the specification clearly resolves whether and when such operators should be mirrored.

Written by the indexing model from the issue text.

Assessment

Domain
documentation, internationalization
Issue type
Documentation
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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