Version 0.2 of package Auctex-Label-Numbers has just been released in GNU ELPA. You can now find it in M-x list-packages RET.
Auctex-Label-Numbers describes itself as: ====================================== Numbering for LaTeX previews and folds ====================================== More at https://elpa.gnu.org/packages/auctex-label-numbers.html ## Summary: ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ AUCTEX-LABEL-NUMBERS.EL: NUMBERING FOR LATEX PREVIEWS AND FOLDS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 1 Overview ══════════ The package provides a function, `auctex-label-numbers-label-to-number', that retrieves label numbers in LaTeX documents. This function is used to implement a global minor mode, `auctex-label-numbers-mode', that augments the preview and folding features of [AUCTeX]: • Previews of labeled equations are numbered as in the compiled document. • The macros `\ref', `\eqref', and `\label' are folded with the corresponding numbers. ## Recent NEWS: [Not provided 🙁]