Re: [O] [PATCH] Category filtering in the agenda

[Ian Barton]

> here is a patch implementing category filtering in the agenda.
>
> The patch is not 100% clean wrt documentation, but I throw it
> now to get some feedback and some testing done.
>
> Press "<" in the agenda to filter by category.
>
> Press "<  <" to filter by the category of the entry point.
> Another "/ /" removes the filter.  "/" + " " filters by the
> default category ("General") since everything is in a category.
>
> I find this last function quick and useful, so I also implemented
> it for tag filtering: pressing "/ /" filters by tags from the entry
> on the current line.  A second "/ /" removes the filter.
>
> Let me know if the category filtering works ok with you, and
> if you find the new "/ /" behavior useful.
>
> There is one limitation for now: it does not combine with Effort
> filtering.

I get the folllowing error with the latest HEAD:

Debugger entered--Lisp error: (args-out-of-range "" 0 1)
  #[(x) "\301\302O\207" [x 0 1] 3]("")
  mapconcat(#[(x) "\301\302O\207" [x 0 1] 3] (#("Weather" 0 7 
(fontified nil org-category #("Day/Year" 0 8 ...) org-category-position 
603)) "" #("Computer" 0 8 (fontified nil org-category #("Animals" 0 7 
...) org-category-position 1281)) #("House" 0 5 (fontified nil 
org-category #("Animals" 0 7 ...) org-category-position 1281)) 
#("Writing" 0 7 (fontified nil org-category #("Tasks" 0 5 ...) 
org-category-position 69425)) #("Tasks" 0 5 (fontified nil org-category 
#("Tasks" 0 5 ...) org-category-position 69382)) #("Parish Council" 0 14 
(fontified nil org-category #("Parish Council" 0 14 ...) 
org-category-position 67962)) #("Animals" 0 7 (fontified nil 
org-category #("Weather" 0 7 ...) org-category-position 647)) 
#("Subscriptions" 0 13 (fontified nil org-category #("House" 0 5 ...) 
org-category-position 49251)) #("Car" 0 3 (fontified nil org-category 
#("Animals" 0 7 ...) org-category-position 1281)) "home" #("Market 
Drayton." 0 15 (fontified nil org-category "Tasks")) #("Capel Curig." 0 
12 (fontified nil org-category #("Market Drayton." 0 15 ...) 
org-category-position 464)) #("Day/Year" 0 8 (fontified nil org-category 
#("Capel Curig." 0 12 ...) org-category-position 534)) #("Appointment." 
0 12 (fontified nil org-category "calendar"))) "")
  org-agenda-filter-by-category(nil)
  call-interactively(org-agenda-filter-by-category nil nil)