latex3 / latex3/hyperref

hyperref adds vertical space at the beginning of enumerate environment when the latter nested in tblr environment

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Description

hyperref package adds vertical space at the beginning of the enumerate environment.
Please compare two different compiled result:


\documentclass{article}
\usepackage{tabularray}
\UseTblrLibrary{varwidth}

\begin{document}

\begin{tblr}{
    hlines,vlines,
    measure = vbox, stretch = -1,
    }
  test & \begin{enumerate}
      \item test 1
      \item test 2
    \end{enumerate} \\ 
  test & test 		
\end{tblr}
\end{document}

The code gets the result:
image
When hyperref package is used, there appears some space at the beginning of the enumerate environment:


\documentclass{article}
\usepackage{tabularray}
\UseTblrLibrary{varwidth}
\usepackage{hyperref}

\begin{document}

\begin{tblr}{
    hlines,vlines,
    measure = vbox, stretch = -1,
    }
  test & \begin{enumerate}
      \item test 1
      \item test 2
     \end{enumerate} \\ 
  test & test 		
\end{tblr}
\end{document}

The code above gets the result:
image
which may not desired result.

OS: Win 10 Home Edition
Distribution: TeX Live 2024
Compiler: xelatex

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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

Start by compiling the two minimal LaTeX examples with XeLaTeX, comparing the output with and without hyperref. Investigate the interaction between hyperref, tabularray's varwidth library, and the nested enumerate environment; done means the package no longer introduces the unwanted vertical space.

Written by the indexing model from the issue text.

Assessment

Tech stack
latex
Domain
tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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