bug#18727: 25.0.50; Paste to isearch-repeat-forward does not work

[Eli Zaretskii]

> From: Juri Linkov <juri@linkov.net>
> Date: Sun, 04 Aug 2019 22:20:31 +0300
> Cc: 18727@debbugs.gnu.org, Bert Sutherland <berts@amazon.com>
> 
> >> 1) emacs -Q <file.txt>
> >> 2) Copy some text to the Windows/Linux clipboard
> >>     e.g. if using Putty simply highlight some text
> >>     using the mouse
> >> 3) C-s to invoke isearch-repeat-forward
> >> 4) Pate text
> >>     e.g. using Putty use mouse to right-click
> >>
> >> Expected result: isearch is performed for pasted text
> >>
> >> Actual result: text is insterted into file buffer and
> >>     mini-buffer reports "Mark set"
> >
> > I'm unable to reproduce this bug in Emacs 27, so I'm guessing that it's
> > been fixed in the intervening years, and I'm closing the bug report.
> > If you're still seeing this bug, please reopen this bug report.
> 
> After trying to reproduce the bug report, I see a slightly different problem:
> 
> 0. Run in a terminal: emacs -Q -nw
> 1. C-s
> 2.1. either from the MATE Terminal context menu select "Paste"
> 2.2. or in xterm click the middle mouse button
>      (both calls the same command)
> 3. Emacs hangs and typing 'C-g' produces the backtrace:

Crystal ball says this is because of the xterm paste support.  Can you
try after disabling that extension?