bug#23632: 25.1.50; Gratuitous undo boundary in latex-insert-block

[Eli Zaretskii]

> From: phillip.lord@russet.org.uk (Phillip Lord)
> Date: Mon, 06 Jun 2016 15:33:12 +0100
> Cc: Chong Yidong <cyd@gnu.org>, 23632@debbugs.gnu.org
> 
> Assuming we go for 3, is everyone happy to patch the Emacs-25 branch?

Can you summarize its effect?  It doesn't disable undo in recursive
editing, does it?

Thanks.