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[bug #62801] [me] doc/meref.me.in: Clarify a couple points about empty m
From: |
Dave |
Subject: |
[bug #62801] [me] doc/meref.me.in: Clarify a couple points about empty macro arguments |
Date: |
Fri, 22 Jul 2022 17:08:19 -0400 (EDT) |
URL:
<https://savannah.gnu.org/bugs/?62801>
Summary: [me] doc/meref.me.in: Clarify a couple points about
empty macro arguments
Project: GNU troff
Submitter: barx
Submitted: Fri 22 Jul 2022 04:08:18 PM CDT
Category: Macro me
Severity: 1 - Wish
Item Group: Documentation
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Discussion Lock: Any
Planned Release: None
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Follow-up Comments:
-------------------------------------------------------
Date: Fri 22 Jul 2022 04:08:18 PM CDT By: Dave <barx>
A few -me macros (.ip, .sh, .$p, .2c since commit 01cf10eb
<http://git.savannah.gnu.org/cgit/groff.git/commit/?id=01cf10eb>, probably
others) accept empty arguments, but the _me Reference Manual_ doesn't say how
to pass an empty argument to a roff macro. The full troff manual does, or
probably most users can figure it out with a couple of guesses, but the -me
manual may as well have a sentence in the introductory material to spell it
out, since the macro set does make use of the capability.
In the wake of the aforementioned commit, it may also be worth having the .2c
description explicitly say that this macro can accept an empty first argument.
Bug #61671, which precipitated this commit, notes that the manual didn't
forbid it before, prompting the change, but it still doesn't expressly endorse
it either, which it perhaps should now that it's specifically supported.
(That bug's comment 2--made after the bug was already closed, giving it low
visibility--also notes a minor indentation issue in the commit. This is not
strictly related to the documentation issue noted above, but as an adjacent
issue that's not really worth opening up a new bug report for, I note it
here.)
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