* etc/PROBLEMS (Improving performance with slow X connections):
Add new advice.
* src/xterm.c (XTmouse_position): Add alternative
implementations for slow connections.
(syms_of_xterm): Add new variable to enable them.
* src/xterm.h (struct x_display_info): Update commentary.

8807a4f532 Enable 256 colors in fbterm.
bbc23ca8ab One more fix for find-file.el
0cbcaf5119 ; Yet another doc fix for 'ff-other-file-alist' (bug#57325)
2d9a391727 Recommend using fbterm in the Linux console.
a5a92e577c ; * src/window.c (syms_of_window) <window-point-insertion-...
4d52fe6b96 * lisp/find-file.el (ff-other-file-alist): Doc fix.  (Bug#...
d111b5b651 * lisp/info.el (Info-mode): Support the Linux console better.
cc945ec0ed ; Fix doc strings in latin1-disp.el
195fcc932e Improve the documentation of glyphless-character display
72ae02377e ; * lisp/jit-lock.el (jit-lock-chunk-size): Doc fix.
3fb69fad49 Fix documentation of 'glyphless-char-display'

# Conflicts:
#	lisp/international/characters.el
#	src/xdisp.c

* doc/misc/efaq.texi (Emacs in a Linux console): New node.
(Common requests): Entry for the new node.

* etc/PROBLEMS (Linux console problems...): Mention the new FAQ node.

7ffcba4213 * etc/PROBLEMS: Problems with Alacritty and Emoji.  (Bug#5...
df95118e83 Link from (emacs)Init Syntax to (elisp)Introduction
7793cf0c3d Don't mention removed XEmacs support in reftex manual
3d1cf1b47a Don't mention removed XEmacs support in idlwave manual
7ff60c62a9 ; * admin/make-tarball.txt: Fix last change.
2fd5590d0c ; * lisp/play/fortune.el (fortune-ask-file): Doc fix.

Ubuntu 16.04 LTS reached end of life on April 30th, 2021.
Furthermore, test failures don't seem significant enough to warrant an
entry.  It's rather cosmetic.
* etc/PROBLEMS: Delete entry on test failures on Ubuntu 16.04.