Re: [O] [RFC] [PATCH] Changes to Tag groups - allow nesting and regexps

[Gustav Wikström]

Hi!

Indeed, I do get the same error as you. I'll look into it a bit. Not sure if 
the behavior is documented though.

As a workaround for you sgeorgii (and for everyone else with this problem I 
suppose :-) ), you can exclude tags instead of filtering. The behavior is 
similar except instead of only showing the rows with the provided tag, it 
excludes all rows with the provided tag. If you provide a regular expression, 
eg. {.*}, then all rows with tags are hidden from the agenda-view.

So, to recreate with commands, what I just tried to describe with words:
M-x org-agenda
\ (exclude) (alternatively use the combination of / (filter) - (exclude) )
<TAB> (exclude by tag)
{.*}
<ENTER>

Voila!

Best regards
Gustav

> -----Original Message-----
> From: sgeorgii . [mailto:address@hidden
> Sent: Wednesday, November 25, 2015 08:51
> To: address@hidden; address@hidden; emacs-
> address@hidden
> Subject: [O] [RFC] [PATCH] Changes to Tag groups - allow nesting and regexps
> 
> Dear Gustav, Eric,
> 
> 
> I was referred to your subject discussion in respect to my problem:
> 
> With new version of org-mode I am now unable to filter agenda to show only
> non-tagged items:
> 
> 
> > "sgeorgii ." <address@hidden> writes:
> >
> >> Hello!
> >>
> >> Having installed latest org 8.3.2 I am now having the subject problem:
> >>
> >> M-x org-agenda
> >>
> >> When in agenda:
> >>
> >> / (filter)
> >>
> >> TAB (filter by tag)
> >>
> >> <Enter> (without entering any tags for "Tag:" question)
> >>
> >> Before this gave me agenda view filtered to show only non-tagged items.
> >> I believe this was right and just fine.
> >>
> >> Now I have error:
> >>
> >> Debugger entered--Lisp error: (args-out-of-range "" 0 1)
> >>   org-agenda-filter-make-matcher-tag-exp(("+") 43)
> >>   org-agenda-filter-make-matcher(("+") tag t)
> >>   org-agenda-filter-apply(("+") tag t)
> >>   org-agenda-filter-by-tag(nil)
> >>   call-interactively(org-agenda-filter-by-tag nil nil)
> >>   command-execute(org-agenda-filter-by-tag)
> 
> >
> > I believe 6c6ae99 (org-agenda: Filtering in the agenda on grouptags,
> > 2015-01-24) changed this behavior.  The discussion about these changes
> > is here (sorry, the gmane web interface is down for me):
> > https://lists.gnu.org/archive/html/emacs-orgmode/2015-01/msg00618.html
> >
> > org-agenda-filter-by-tag should be fixed to handle the empty tag case
> > that causes the error above, either by behaving as before or by giving
> > a clear error.  I haven't looked closely enough at the changes or the
> > discussion to guess whether that commit intended to preserve the empty
> > tag behavior you were relying on.  Is that behavior documented anywhere?
> >
> > --
> > Kyle
> 
> 
> Any help?