Benjamin Mako Hill 2b0c14209a Add speaker notes for ltx-talk, captured and assembled outside LaTeX ...

ltx-talk has no \note command. Its README and website list speaker notes
among what the class is for, but the feature is unwritten: the request is
open upstream as issue #156, where the maintainer has said notes are
wanted but that the interface needs thought first. Nothing has landed as
of v0.5.3.

So notes are captured rather than typeset. talk-notes.sty defines \note
to contribute nothing to the slides and instead record its text, and
mknotes reads that afterwards to assemble the presenter PDF: slide on the
left, and on the right a grey header band, a thumbnail of the current
slide flush into the corner, and the notes below. Previous and next
slides are left to dspdfviewer and pdfpc, which show them already.

The hard part is that a frame is not a page, since overlays expand one
frame into an unpredictable number of slides. Records are therefore
written from the shipout hook, the first point at which the frame and
slide identity of a page is settled, which makes the mapping exact rather
than guessed. Notes honour the usual overlay specifications, so
\note<1>{...} appears beside only the first slide of its frame.

The assembled PDF is not tagged and is not meant to be shared; only the
slides build is.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

2026-08-13 19:12:03 -07:00

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