[arch-general] What is FONT_MAP for?

[Jan Steffens]

On Thu, Nov 1, 2012 at 7:22 PM, "Jérôme M. Berger" <jeberger at free.fr> wrote:
> Damjan wrote:
>> On чет, 01 ное 2012 14:28:43 CET, "Jérôme M. Berger" wrote:
>>> Tom Gundersen wrote:
>>>> On Thu, Nov 1, 2012 at 10:33 AM, "Jérôme M. Berger"
>>>> <jeberger at free.fr> wrote:
>>>>>          So what is FONT_MAP for?
>>>>
>>>> Check the setfont(8) manpage.
>>>>
>>>     Thanks. So if I understand correctly, it is useful for programs
>>> that output 8 bit characters that are not valid UTF-8 sequences and
>>> serves to convert their output into valid unicode for display, right?
>>
>> No,
>> some console fonts don't have a Unicode map, so they're essentially an
>> index -> glyph file where index is from 0-255. A unicode map adds a
>> "Unicode Code Point -> index" mapping.
>>
>> Most fonts in /usr/share/kbd/consolefonts should have bult-in maps
>> (haven't checked though). For those that don't have it, there's the -m
>> option in setfont or FONT_MAP.
>>
>> Without an unicode map, you must make sure the loaded font has the same
>> layout as the charset you're using. Without the unicode map you can't
>> use utf8
>>
>         Now I'm confused. According to setfont(8), there are two kinds of
> maps (not counting the keymap): the console map (option -m) and the
> unicode font map (option -u). What you describes appears to be the
> unicode font map but that still leaves the other one.
>
>         BTW, which does FONT_MAP refer to? I tried to grep through /etc to
> see how it is used in the initscripts, but this only shows the
> vconsole.conf entry...
>
>                 Jerome
> --
> mailto:jeberger at free.fr
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If you look at "man vconsole.conf", you see there's both FONT_MAP and
FONT_UNIMAP.

FONT_MAP refers to the console map, not the unicode font map.