Furthermore, it means you cannot just put a breakpoint on (or anywhere
inside) redisplay_internal and then execute some code to generate a
specific error... The blinking cursor timer will trigger that
breakpoint every second, making it practically impossible to
debug such problems.
It seems like a bug that blinking the cursur should require a real
redisplay, if the buffer has not changed and point has not even moved.
Can't this be done by redrawing the glyph instead?
The -Q option has saved me many hours debugging rediplay problems!
I think this should be split into two options.
-Q, or --quick, should turn off use of both kinds of init file
and the splash screen.
--basic-display should turn off various display features,
including the blinking cursor.
-Q --bas would do them both.
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