bug#49253: 27.2; Emacs non-responsive when pasting into terminal-mode

[Eli Zaretskii]

> From: Matt Bisson <bisson.m@gmail.com>
> Date: Mon, 28 Jun 2021 16:09:24 -0400
> Cc: 49253@debbugs.gnu.org
> 
> 1. Start "emacs -nw" <ret>
> 2. M-x term <ret> <ret>
> 3. In another application (for the purposes of "exact keystroke, let's
> say, Alt-TAB to Firefox"), copy some text into the clipboard, it
> doesn't matter what.
> 4. Return to the Emacs session (click on the Terminal emulator,
> Alt-TAB, whatever*), and paste into the terminal (I used Command-V).
> 4* To be clear, return the cursor to the term-mode buffer (e.g., C-b
> *terminal* <ret>).

Maybe term-mode is simply incompatible with bracketed-paste feature
(because they both call low-level keyboard input functions)?

Does the problem go away if you switch to term-line-mode?  If not, my
suggestion is to disable the bracketed-paste support.