in definition divs, when terms from other definition divs are used, hyperlink to those lower-level definition divs

[d-morrison]

for example, https://d-morrison.github.io/rme/chapters/probability.html#def-pdf:~:text=limit%20of%20the-,probability,-(mass)%20that should link to probability.qmd#def-probability

[d-morrison]

@claude

[github-actions]

👀 Picked up by workflow run #27044470926. R/Quarto/renv setup runs first (~3-5 min); Claude itself responds after that.

[github-actions]

Pushed Claude's commits to claude/issue-894-20260605-230041 and opened draft PR: #896