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Showing content from https://lists.gnu.org/archive/html/emacs-devel/2022-11/msg01788.html below:

Re: [PATCH v3] Allow applying filters to summary consecutively

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] From: Richard Stallman Subject: Re: [PATCH v3] Allow applying filters to summary consecutively Date: Mon, 28 Nov 2022 16:38:24 -0500 
[[[ To any NSA and FBI agents reading my email: please consider    ]]]
[[[ whether defending the US Constitution against all enemies,     ]]]
[[[ foreign or domestic, requires you to follow Snowden's example. ]]]

  > The implementation of union and intersection of filters is still not
  > complete.  Here's my proposal: pressing '&' and '|' in either buffer
  > could dictate how the next filter operates, by intersection and union
  > respectively.  Those keys could toggle two mutually exclusive minor
  > modes that affect the next filter (or all subsequent filters until the
  > user switches again).

It's not _bad_ but it is unnecessarily heavyweight and complex, and extra
work to use.

I suggest making & the default, so you don't need to specify that.  If
you type |, then if the next command is a filter command, it or's.

Simple to use, and simple to document.

-- 
Dr Richard Stallman (https://stallman.org)
Chief GNUisance of the GNU Project (https://gnu.org)
Founder, Free Software Foundation (https://fsf.org)
Internet Hall-of-Famer (https://internethalloffame.org)

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