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I do, so you should too!

Just rename ESCDELAY member to escdelay.

Breaking into a debugger, I found the task was hung in:
_lock_file(stdin) called from common_flush_all(), so the stream was locked.
Simply unlocking it resolves the problem.

This bug has been around forever and was annoying but non-serious (just
required the user/sysop to hit ENTER). So happy it's now fixed.

There are a number of conio changes in here too... too many to list.  Check
the diffs if you actually want to know what changed.

These allow setting the initial window size for modes that don't force
integer scaling (ie: SDL).

While we're here, clear a renderer before free()ing the texture to prevent
crashing on some nVidia cards.

Addresses https://sf.net/p/syncterm/feature-requests/17/

They don't fix any problems, and likely nothing will use this code.

SDL audio should work from any thread, and on the platforms that care,
SDL video is coddled appropriately.
The only question is around SDL_Quit() in an audio-only build, but we
can punt on that since the default builds will never do that... the only
thing I'm aware of that could be broken that way is tone, which nobody
likes anyway.

Remove xlat.
Rearrange Commdore fonts to match ASCII.
Clean up C64 emulation a lot...
Set the Commodore background to black in CTerm... it seems pretty much
all terminals do this.

(successive beeps currently still will)

Add new ciolib_appname and call SDL_RegisterApp(ciolib_appname, 0, NULL)
when the symbols are loaded.

Have SyncTERM save/restore the window size

Ciolib changes:
Hopefully fix streaming texture updates (ie: white screen)
- Request pixel data on expose rather than re-render texture
- This allows the rect update to copy the screen
Fix ALT-Enter fullscreen toggle
Ensure vstatlock is held when accessing cvstat
Add setwinsize() and setwinpos() to ciolib
Return window position from get_window_info() in SDL mode
SDL driver no longer supports setscaling() (use setwinsize())
Use ALT-<arrow> to change window scaling, not Meta
Add winwidth/winheight to vstat structure

This allows Lt. Blue on Blue for C64, Green on bright black for C128 40 col,
and Light grey on black for C128.
Commodore modes are no longer capable of blinking, which I believe is accurate.

Remove CIOLIB_MODE_SDL_YUV* macros, these modes have no point anymore
Fix SDL prototypes

Use _beginthread() instead of SDL_CreateThread().  For some reason, using
CreateThread() sometimes caused an application crash (ie: when using -?)
Everyhing else uses _beginthread() so there's no reason for this to be
special, especially when it breaks stuff.

a struct vmem_cell.

This allows modifying a savescreen() rather than needing to vmem_gettext()
stuff, but also change things without hacking up the pixels array yourself.