> Sometimes I paste some text into the Vim command line
> (example: type ':echo ' then Ctrl-R a to paste register a).
>
> If I accidentally paste a large amount (kilobytes), I have to
> wait a very long time (several minutes) while Vim struggles
> to handle the text. Pressing Ctrl-C has no discernible effect.
Some investigating shows that removing the following call to
redrawcmd() fixes the problem (this is not a solution, just
a preliminary observation):
In function getcmdline() (file ex_getln.c line 1840) we find:
/* Always redraw the whole command line to fix shaping and
* right-left typing. Not efficient, but it works. */
redrawcmd();
Removing that redrawcmd() makes accidental pastes of 8000 bytes
into the command line occur in a second or so. With an unpatched
Vim, that same paste sometimes seem to complete in a minute, and
sometimes seems to take forever (I killed it after several
minutes).
I have set encoding=utf-8, and I think you need that for the
above redrawcmd() to be executed.
While I should not be pasting junk into the command line, Vim
should not effectively hang if I accidentally do.
John
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