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From:
Stuart Henderson <stu@spacehopper.org>
Subject:
Re: MATE Clock Panel App Glitch
To:
Walter Alejandro Iglesias <wai@roquesor.com>
Cc:
tech@openbsd.org
Date:
Thu, 18 Dec 2025 14:58:37 +0000

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On 2025/12/18 14:35, Walter Alejandro Iglesias wrote:
> I've never used desktop environments, my wife does, currently she's
> using xfce.  So time to time I give mate a try, in case one gets broken
> I can change to the other. :-)
> 
> I noticed that when starting mate desktop, it takes more than half a
> minute to the clock to appear in the panel.  It takes the same time to
> open its configuration dialog.  Is this issue related to the one
> discussed here?

that's unrelated, this issue is with display formatting

"more than half a minute" I'd be looking at something to do with name
lookups or network connections first for this.

> 
> On Fri, Nov 28, 2025 at 10:37:38AM +0000, Stuart Henderson wrote:
> > oops, my cc's didn't work (I was holding slrn wrong), resending..
> > 
> > 
> > On 2025-11-26, Claudio Miranda <quadsix50@gmail.com> wrote:
> > > --0000000000001fa64a0644755b51
> > > Content-Type: text/plain; charset="UTF-8"
> > >
> > > Greetings and apologies for the delayed reply to the list and to Carson.
> > 
> > moving to tech@ and CC'ing maintainer
> > 
> > > So, I finally had a chance to look at this, and it's actually "_I" (as
> > > in "India") and not a lowercase L as I originally thought (changing
> > > the application font in MATE to Serif confirmed this). While not
> > > directly related to what I found, this bug report for the clock applet
> > > gave me a hint as to what exactly the typo is, and it looks like it
> > > should be "%_I" (as in "India"). The percent sign is missing, hence
> > > the time showing up as "_I:ss PM" (where "ss" is seconds which
> > > displays correctly on the applet).
> > >
> > > https://github.com/mate-desktop/mate-panel/issues/1451
> > >
> > > I've only seen this happen on the OpenBSD port of the MATE Clock
> > > applet. Checked MATE Clock on FreeBSD and Fedora (where I run MATE
> > > Desktop) and those display correctly.
> > 
> > to fix that issue, mate-panel changed from one strftime extension
> > (%l, supported by OpenBSD but not musl libc) to another (%_I, glibc
> > extension, supported by musl libc, FreeBSD and reportedly AIX, Solaris)
> > 
> > the %_ extension is from a set of three modifiers which specify padding
> > behaviour instead of the default for the following format character:
> > 
> > %0K - like %K but pad numbers with zeros
> > %_K - like %K but pad numbers with spaces
> > %-K - like %K but do not pad numbers
> > 
> > patching this in mate-panel is a pain because the strftime strings
> > are used as translated strings (i.e. changing to the common local
> > format where available) so a bunch of .po files would need patches.
> > 
> > taking a cue from libc's "support" for %E/%O (C99 locale modifiers
> > which are recognised but ignored) here's a diff to ignore the modifiers
> > so at least we'd get something sensible printed in these cases. (if
> > testing with date(1) note that it's statically linked). would this
> > or something like it make sense?
> > 
> > Index: time/strftime.c
> > ===================================================================
> > RCS file: /cvs/src/lib/libc/time/strftime.c,v
> > diff -u -p -r1.34 strftime.c
> > --- time/strftime.c	16 May 2025 14:24:39 -0000	1.34
> > +++ time/strftime.c	26 Nov 2025 10:06:55 -0000
> > @@ -477,6 +477,16 @@ label:
> >  				pt = _fmt(Locale->date_fmt, t, pt, ptlim,
> >  					warnp);
> >  				continue;
> > +			case '0':
> > +			case '-':
> > +			case '_':
> > +				/*
> > +				 * GNU libc extensions.
> > +				 * 0 should explicitly specify zero for padding.
> > +				 * - should avoid padding numerical outputs.
> > +				 * _ should xplicitly specify space for padding.
> > +				 */
> > +				goto label;
> >  			case '%':
> >  			/*
> >  			** X311J/88-090 (4.12.3.5): if conversion char is
> > Index: time/strptime.c
> > ===================================================================
> > RCS file: /cvs/src/lib/libc/time/strptime.c,v
> > diff -u -p -r1.34 strptime.c
> > --- time/strptime.c	20 Nov 2025 10:59:56 -0000	1.34
> > +++ time/strptime.c	26 Nov 2025 10:06:55 -0000
> > @@ -132,6 +132,15 @@ literal:
> >  		break;
> >  
> >  		/*
> > +		 * "Padding" modifiers. Not handled but set the appropriate
> > +		 * flag and start over again.
> > +		 */
> > +		case '_':	/* "%_?" pad numbers with spaces. */
> > +		case '0':	/* "%0?" pad numbers with zeros. */
> > +		case '-':	/* "%-?" do not pad numbers. */
> > +			goto again;
> > +
> > +		/*
> >  		 * "Alternative" modifiers. Just set the appropriate flag
> >  		 * and start over again.
> >  		 */
> > 
> > 
> 
> -- 
> Walter
>