On Mon, Apr 23, 2007 at 11:43:38PM -0000, Emmet Hikory wrote:
>     I see three ways to address this:
> 
> 1)  im-switch is add the current (or requested) locale to
>     /SupportedUnicodeLocales

This is a very fragile solution.  The file /etc/scim/global which
contains the "/SupportedUnicodeLocales" configuration is a conffile of
package scim.  In principle im-switch shouldn't touch other package's
conffile.

Also locales can be generated by user actions, whether installing
language support packages, or explictily run "dpkg-reconfigure locales"
(or something similar in Ubuntu).  The only "current" situation
im-switch can know is when it is installed, which can be very different
from the situation when scim is run.

> 2)  /etc/scim/global to include all locales by default (my least
favorite)

I don't like it either.  There are just too many UTF-8 locales.  And
keeping a duplicate list which may get updated from time to time is
never a good idea.

> 3)  scim itself to ignore /SupportedUnicodeLocales always attempt to
>     support the current locale

Some non-UTF-8 locales just can't be supported, such as en_US
(ISO-8859-1 encoding).  Even if we only consider UTF-8 locales, this
still needs knowledge about both the scim code and locale handling.
This is close to what I have in mind when I say "patches are always
welcome", changing the way scim handles locales.

>     I'm not very familiar with the architecture of im-switch and scim,
> and so am unsure of the ancillary effects that might develop as a result
> of any of these choices.  From my quick review, I would suspect that the
> first is the least intrusive (although not necessarily correct), and
> would involve parsing (or creating) ~/.scim/global to include the
> appropriate locale.

If you want to modify ~/.scim/global instead of /etc/scim/global, you
have the problem of only being able to change setting on a user-by-user
basis, but not system-wide.

Also, if scim is already running, it will ignore changes to
~/.scim/global and rewrite its internal settings back when it exits.
That's another issue that needs consideration.

Ming
2007.04.26

-- 
[Feisty Edgy Dapper] language-support-"any CJK language" doesn't set up a way 
to input this language with scim if the session doesn't correspond to this 
particular CJK (Chinese, Japanese or Korean) language
https://bugs.launchpad.net/bugs/34282
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