https://bugzilla.kernel.org/show_bug.cgi?id=216603 --- Comment #1 from Alejandro Colomar (man-pages) (alx.manpages@xxxxxxxxx) --- Hi Arttu, On 10/18/22 21:55, bugzilla-daemon@xxxxxxxxxx wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=216603 > > Bug ID: 216603 > Summary: Environment variable MANLESS is described wrong in > man(1) > Product: Documentation > Version: unspecified > Hardware: All > OS: Linux > Status: NEW > Severity: normal > Priority: P1 > Component: man-pages > Assignee: documentation_man-pages@xxxxxxxxxxxxxxxxxxxx > Reporter: karttu+bugzilla@xxxxxxxxx > Regression: No > > In an example for setting MANLESS environment variable, man(1) claims: > > For example, if you want to set the prompt string unconditionally > to "my prompt string", set $MANLESS to '-Psmy prompt string'. > > However, this is not not correct as man uses the entire MANLESS variable > as a prompt for less. I'll demonstrate: > > $ MANLESS='-Ps(prompt)' man man > <ctrl-z> > $ cat /proc/$(pgrep -P $(pgrep -f "man man"))/environ | > tr '\0' '\n' | grep "^LESS=" > > LESS=-ix8RmPm-Ps(prompt)$PM-Ps(prompt)$ > > As seen, man(1) defines -Pm and -PM prompts using the MANLESS variable as is. > The same applies to the command line option -r: > > $ man -r'-Ps(prompt)' man > <ctrl-z> > $ cat /proc/$(pgrep -P $(pgrep -f "man .* man"))/environ | > tr '\0' '\n' | grep "^LESS=" > > LESS=-ix8RmPm-Ps(prompt)$PM-Ps(prompt)$ > > Option -r does not make the same claim, but it says: > > By default man sets the -ix8 options. > > Which also is a bit outdated as we can see it sets -ix8R. > > So in summary, at least the '-Ps' part should be removed from the MANLESS > description example. Furthermore, option -r description could elaborate on > how LESS variable is formed (-ix8RmPm<MANLESS or -r>$PM<MANLESS or -r>$). > > Note: Dollar sign in less prompt definition is an end-of-string marker. > The man(1) page is part of the man-db project, not the Linux man-pages. Colin is the maintainer of man-db, so I CCd him. Their website is: <https://man-db.nongnu.org/> However, I'm curious about the resolution, so if you report it again in the man-db bug tracker (I guess that's their gitlab? don't remember), please CC me. :) Cheers, Alex -- You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.
