On Sun, Nov 04, 2007 at 04:06:58AM +1300, Atom Smasher wrote:
> after rolling up my sleeves and getting a termcap working (so it seems) i
> still can't figure the nuances between:
> smacs rmacs (terminfo)
> as ae (termcap)
> ^N ^O form 1 (older?)
> ^[(0 ^[(B form 2 (newer?)
>
> on both mrxvt and xterm either form of this sequence puts the display into
> (out of) alternate character mode, but i've got a weird edge case that
> causes problems.... i think the cause of the problem is that (on both
> xterm and mrxvt) if i use one form to get into the alternate character set
> i have to use the same form to get out... i can't mix and match forms to
> enter (and exit) alternate character mode.
>
> i'm not sure if that's a bug or if it's that way for historical reasons,
> but in the particular case i've got it's rather annoying.
>
> in both xterm and mrxvt i can't find any documentation to support the
> 2nd form, except that a bunch of termcap/terminfo files use it and the
> inconvenient fact that it works. the first form seems to be well
> documented and it works just as well.
In mrxvt, you can find the above documented in the file
mrxvt_seq.txt.bz2, supplied with the source. (Look around line 72).
> then i've got to figure out why a linux box that i've got a shell on
> reports this as the setaf/AF string in 256 color mode (xterm-256color):
> ^[[%?%p1%{8}%<%t3%p1%d%e%p1%{16}%<%t9%p1%{8}%-%d%e38;5;%p1%d%;m
> wtf?!?!?
>
> it would seem like a typo in the termcap, except that setab/AB reports
> this:
> ^[[%?%p1%{8}%<%t4%p1%d%e%p1%{16}%<%t10%p1%{8}%-%d%e48;5;%p1%d%;m
>
> in both cases it looks like the correct string is at the end.
This is probably some conditional termcap string. I vaguely remember %?
starting a conditional...
GI
--
100 THINGS I'D DO IF I EVER BECAME AN EVIL OVERLORD
77. If I have a fit of temporary insanity and decide to give the hero
the chance to reject a job as my trusted lieutenant, I will retain
enough sanity to wait until my current trusted lieutenant is out of
earshot before making the offer.
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