Adds a table mapping beamer constructs to their equivalents here, which
is what someone arriving with a deck needs.
Cuts the parts that recorded what the port turned up rather than how to
use the result: the known-gaps section, the description of how the notes
page is laid out, and the asides about which upstream issues are open.
Those now live in the issues filed against ltx-talk.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
Converts it and fills in what was missing: install instructions, links to
ltx-talk, trantor, veraPDF and the presenter viewers, the upstream issues
behind the speaker-notes workaround and the overlay tagging bug, and how to
use the notes machinery in another document.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
