On 06/14/2011 09:33 PM, Anton Shepelev wrote:
Graeme Geldenhuys:
You are welcome to add it to the wiki.
I still do not fully understand the problem, so
please, review what I have come up with:
On Linux/Unix the FP-IDE calculates the
addresses of the drawing charactes (also
called pseudagraphics) based on the LANG
environment variable, so for the IDE to work
correctly, its value must correspond with
the console mode which can be checked using
the kbd_mode utility.
If the reported console mode is UTF8 then
the value of LANG must be of the form:
ll_CC.UTF-8. For most cases en_US.UTF-8
should work.
Now I don't know for sure what happens with other
locales. From my own experiments, in this case the
IDE simply tries to get the pseudographics charac-
ters from their respective addresses as defined in
CP437. Is this correct?
Basically, all it does is, it checks if the LANG variable contains
'UTF-8' as a substring (not sure if it is the right way to do it, but it
works for Fedora, Ubuntu, OpenSUSE, Mandriva and latest Debian) and if
it does, it writes UTF-8 characters to the console, by using an internal
CP437 to UTF-8 conversion table.
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