PatR e7e07cb067 pull request #411 - freeing termcap hilite entries ...

(strings to switch color) for ANSI_DEFAULT.  Instead of lumping
more conditional code into tty_shutdown() I put the new code
into a separate routine and also pulled the existing setup code
out of tty_startup() into a separate routine too.

It will be a miracle if this doesn't break anything due to the
crazy amount of convoluted conditionals present in termcap.c.

On the other hand, I found and fixed a bug while trying to test.
The ANSI_DEFAULT hilites for Gray and No_Color were null instead
of an empty string.  MS-DOS stdio apparently fixes that up, but
on OSX (after #undef UNIX and TERMLIB and TERMINFO and #define
ANSI_DEFAULT in termcap.c) I started seeing instances of "(null)"
on the map (OSX stdio does a different fix up for Null pointers)
as soon as I enabled 'color'.  It was an attempt to set No_Color.

Closes #411

2020-12-31 14:49:21 -08:00

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