Re: using glyphs by default in perl-mode

[Dan Nicolaescu]

Eli Zaretskii <address@hidden> writes:

>> From: Dan Nicolaescu <address@hidden>
>> Date: Thu, 09 May 2013 12:31:32 -0400
>> Cc: James Cloos <address@hidden>, address@hidden
>> 
>> Stefan Monnier <address@hidden> writes:
>> 
>> >>>> I does not work on the Linux console of a Fedora 18 machine using
>> >>>> en_us.UTF-8.
>> >>> Do you also see question marks, or do you see something else?
>> >> It looks like a small white square. 
>> >
>> > Thanks.  This one is a problem of font, which might be solvable by
>> > fiddling with your console's font, but Emacs has no way to tell whether
>> 
>> This is the default font for the console.  Normal users cannot change
>> the console font.
>> 
>> This means that a Linux console is unusable to edit perl code by
>> default.
>> 
>> What problem does showing a glyph instead of -> solve?  This looks like
>> a personal preference, and one that causes problems.
>
> Does char-displayable-p detect that this glyph cannot be displayed in
> your environment?  If so, perhaps we could have the cake and eat it,
> too.

Using char-displayable-p to change the contents of a buffer does not
work in the multi-tty world.  What is displayable when the buffer is
shown in one terminal, might not be in another.