bug#7840: SYMBOL_VALUE in terminal.c (was 23.2.91; default-terminal-coding-system not inherited by created terminals)

[Stefan Monnier]

>> * terminal.c (create_terminal): Use default-keyboard-coding-system
>> and default-terminal-coding-system to initialize coding systems of
>> the new terminal.  (Bug#7840)
>> 
>> !   keyboard_coding = SYMBOL_VALUE (intern 
>> ("default-keyboard-coding-system"));
>> !   if (NILP (keyboard_coding)
>> !       || EQ (keyboard_coding, Qunbound)
>> !       || NILP (Fcoding_system_p (keyboard_coding)))
>> !     keyboard_coding = Qno_conversion;
>> !   terminal_coding = SYMBOL_VALUE (intern 
>> ("default-terminal-coding-system"));

> This change doesn't build on the trunk, due to Stefan's 2010-04-20
> change removing SYMBOL_VALUE.

> I left out this change when doing the last merge from the branch.  Would
> you mind working up a separate patch and applying it to the trunk?
> (Fsymbol_value apparently doesn't work here, because the symbols can be
> unbound and we don't want to signal an error.)

We can just use Fboundp tests, when needed.


        Stefan