[bug #59397] [troff] want English hyphenation codes for Latin-1 Supplement characters

[G. Branden Robinson]

Update of bug #59397 (group groff):

                  Status:                    None => Fixed                  
             Assigned to:                    None => gbranden               
             Open/Closed:                    Open => Closed                 
         Planned Release:                    None => 1.24.0                 

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Follow-up Comment #10:

The original summary of this bug was:

"Assign default .hcode values to alphabetic characters in groff's default
character set"

This is done.


2024-08-03  G. Branden Robinson <g.branden.robinson@gmail.com>

        tmac/*: Refactor hyphenation code declarations.

        Move `hcode` invocations from language-specific macro files
        {those that define a "groff locale", such as "english" or
        "german"} to the macro files that support 8-bit character
        encodings, because in the formatter, hyphenation codes are
        global, not environment-specific like other hyphenation data.
        {That design decision is worth reconsidering in the future,
        but feels less urgent than adding UTF-8 input support to the
        formatter, which may obviate some encoding-related issues.}

        * tmac/LOCALIZATION: Relieve groff locale contributor of
        hyphenation code definition duty.
        * tmac/de.tmac: Move Latin-1 hyphenation code definitions from
        here...
        * tmac/latin1.tmac: ...to here.  Reorganize and cover _every_
        letter glyph in ISO 8859-1, including Icelandic letters that
        German hyphenation patterns don't require.
        * tmac/ru.tmac: Move KOI8-R hyphenation code definitions from
        here...
        * tmac/koi8-r.tmac: ...to here.
        * tmac/latin2.tmac: Define Latin-2 hyphenation codes.
        * tmac/latin5.tmac: Define Latin-5 hyphenation codes.  Include
        the notorious special case for the Turkish capital dotted I, and
        annotate it for migration in the event we ever get a "tr.tmac"
        file, because this is a language-specific case mapping, not one
        strictly implied by the character encoding.
        * tmac/latin9.tmac: Define Latin-9 (ISO 8859-15) hyphenation
        codes.

        Fixes <https://savannah.gnu.org/bugs/?59397>.  Thanks to Werner
        Lemberg for the discussion in <https://lists.gnu.org/archive/
        html/groff/2024-08/msg00001.html>.


The stuff Dave raised regarding hyphenation codes for special character escape
sequences is within the scope of bug #66051.


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