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Properly support tagging

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评估

难度
5/5
预计耗时
一周以上
新手友好度
35/100
Issue 类型
功能
描述清晰度
需要澄清
活跃度
活跃
技术栈
latex
领域
accessibility

调研方向

先从 fitch.sty 和 tagging-project 的 issue 1485 开始,然后查看 commit a90efaa20186480fd3b1e7c7b79627216cc34daf,以了解现有的对齐更改。在定义实现之前,等待 tagging framework 稳定并完成文档化。完成的标准是 fitchproof 生成一个可用的 tagging 结构,且其中不包含来自其 scope 行的未知 Unicode 字符。

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描述

fitch.sty is marked as incompatible with tagging (https://github.com/latex3/tagging-project/issues/1485). The main issue was that fitchproof used a list environment to control the alignment; and that's been changed to flushleft (commit a90efaa20186480fd3b1e7c7b79627216cc34daf). So now a fitchproof doesn't create a wrong tagging structure (a table inside a list with one item) but something better.

That doesn't mean that fitchproofs now are properly tagged when tagging is on. The scope lines are coded as \rules and produce unknown Unicode characters in the tagging structure. More has to be done to do this properly, but it has to wait until the tagging framework is more stable (and documented).

To produce an actually accessible document (i.e., something a low vision reader can actually use with a screen reader) the best option is (and I suspect will remain) conversion to HTML, as done, e.g., for https://github.com/rzach/forallx-yyc. See https://richardzach.org/2023/07/converting-latex-to-html-technical-notes/ for what's required/been done for forallx. (I used LaTeXML to produce HTML for Fitch proofs with added structural descriptions as described in https://forallx.openlogicproject.org/html/A4.html#S0.SS0.SSS0.Px3)

主要语言
TeX
星标
20
派生
5
PR 合并指标
30 天内没有已合并 PR

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从这里开始

  1. 先读完整个 Issue,再读项目的贡献指南。
  2. 在 Issue 下留言说明你要接手 —— 这能避免两个人做同样的事。
  3. Fork 仓库,在一个分支上完成修改。
  4. 提交 Pull Request,并在描述里引用这个 Issue 编号。

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