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cd4977172c
Warnings from `groff -C -ww -man` in the forthcoming groff 1.24:
troff:xargs/xargs.1:295: warning: an escaped '~' is not portable to AT&T troff
troff:xargs/xargs.1:296: warning: an escaped '~' is not portable to AT&T troff
troff:xargs/xargs.1:296: warning: an escaped '~' is not portable to AT&T troff
troff:xargs/xargs.1:298: warning: an escaped '~' is not portable to AT&T troff
groff_man_style(1):
Portability
...
\~ Adjustable non‐breaking space. Use this escape sequence
to prevent a break inside a short phrase or between a
numerical quantity and its corresponding unit(s).
Before starting the motor,
set the output speed to\~1.
There are 1,024\~bytes in 1\~KiB.
CSTR\~#8 documents the B\~language.
\~ is a GNU extension also supported by Heirloom Doctools
troff 050915 (September 2005), mandoc 1.9.14
(2009‐11‐16), neatroff (commit 1c6ab0f6e, 2016‐09‐13),
and Plan 9 from User Space troff (commit 93f8143600,
2022‐08‐12), but not by DWB or Solaris 10 troffs.
* xargs/xargs.1:
Define a string to indirect use of `\~` escape sequence. On formatters
that don't support groff extensions, use the AT&T troff `\ `
(backslash-space) escape sequence, which isn't quite as good because it
is a space that is not only unbreakable, but unadjustable--which,
however, doesn't matter when formatting man pages with adjustment
disabled, as some implementations do (and which groff makes
configurable).
Discussed at:
https://lists.gnu.org/r/bug-findutils/2025-11/msg00094.html
Copyright-paperwork-exempt: Yes