[bug #59814] [PATCH] improve internationalization at startup

[G. Branden Robinson]

Update of bug #59814 (project groff):

                  Status:             In Progress => Fixed                  
             Open/Closed:                    Open => Closed                 
         Planned Release:                    None => 1.23.0                 

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Follow-up Comment #15:


commit 11195e2e4a23bbd8f461892a655a0fa7ab754985 (HEAD -> master,
origin/master, origin/HEAD)
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Thu Apr 15 19:46:36 2021 +1000

    {ChangeLog, NEWS}: Report localization change.
    
    Fixes <https://savannah.gnu.org/bugs/?59814>.

commit a22e2a44333e1456700d531a67b378c721b961c8
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Tue Apr 13 18:26:27 2021 +1000

    [tmac]: Adjust editor file encoding hints.
    
    * tmac/cs.tmac: Tell Vim the file is "iso-8859-2" (ISO Latin-2).
    * tmac/en.tmac: Stop telling Emacs the file is "latin-1"; it's ASCII.
    * tmac/fr.tmac: Tell Vim the file is "iso-8859-15" (ISO Latin-9).
    
    Vim users may need to use ":e ++enc=iso-8859-2", for instance, to see
    correct glyphs.

commit b3ed81fe4b8446604e081d47a67125d6abf07379
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Tue Apr 13 18:25:55 2021 +1000

    tmac/LOCALIZATION: Rewrite.

commit 2a047db626b1cf683d440fefe048341a1fef62e5
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Tue Apr 13 15:35:51 2021 +1000

    Test localization refactor.
    
    * src/roff/groff/tests/localization_works.sh: Add 10 test cases.
    * src/roff/groff/groff.am (groff_TESTS): Run test.

commit 8cbe35b5b6562eb332ee025a9a96ff78fb30f266
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Jan 15 03:38:11 2021 +1100

    [docs]: Update hyphenation and localization stuff.
    
    * doc/groff.texi (Manipulating Hyphenation):
    * man/groff.7.man (Hyphenation):
    * man/groff_diff.7.man (Implementation differences):
      - Refer to "U.S. English" hyphenation patterns as simply "English";
        they will be mostly correct for Commonwealth English as well, and no
        alternative English hyphenation patterns for other territories are
        available.
    
    * doc/groff.texi (Manipulating Hyphenation):
    * man/groff_diff.7.man (New requests):
      - Note that default hyphenation mode depends on the language used on
        the system.
      - Add concept index entry for localization.
      - Add file index entries for the locale macro files (cs.tmac, etc.).
      - Add environment variable index entries for LANG and LC_ALL.
      - Describe how groff's idea of the locale is determined.
      - Update to reflect rename of English hyphenation patterns and
        .hla identifier from "us" to "en".

commit a60784b82a5c53caff5443fc036b8d13f4084a32
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Fri Jan 15 03:27:15 2021 +1100

    tmac/en.tmac: Set hyphenation mode to 4.

commit 12434c13bec939a68e543e6aae758bc7e92c3fb0
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Mon Jan 4 17:53:05 2021 +1100

    tmac/troffrc: Derive groff locale from system.
    
    Determine the groff locale (default input language) using the system
    locale.  Use the environment if possible.  Try LC_ALL first, then LANG.
    "C" means English (en).  Otherwise, only the first two characters of the
    locale name are used.
    
    Unrecognized locales (those without a supporting xx.tmac file) are
    ignored, and groff falls back to English.
    
    Those who want groff's default locale to differ from LC_ALL/LANG should
    edit this troffrc to source the appropriate groff locale macro file
    (cs.tmac, de.tmac, den.tmac, fr.tmac, ja.tmac, sv.tmac, zh.tmac).

commit a86d9251ed05cec18f6279a9e613449ae7aa7315
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Mon Jan 4 17:44:57 2021 +1100

    tmac/en.tmac: Add English localization file.

commit 1d5a04b6ec08ecfe9e772026a8ce2742e4b0f29f
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Mon Jan 4 17:10:20 2021 +1100

    [troffrc]: Change hyphenation language us to en.

commit 4c5a4b92bee4f704175423eca13d3dbfceab90a4
Author: G. Branden Robinson <g.branden.robinson@gmail.com>
Date:   Mon Jan 4 16:59:03 2021 +1100

    [tmac]: Rename *.us to *.en.
    
    The first-order determinant of hyphenation points is language, not
    territory.  Use ISO 639 2-letter language codes for hyphenation and
    exception patterns instead of ISO 3166 2-letter territory codes.


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