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Re: lynx-dev 8-bit chars and LYgetstr


From: dickey
Subject: Re: lynx-dev 8-bit chars and LYgetstr
Date: Wed, 17 Feb 1999 22:09:56 -0500 (EST)

> 
> > From: address@hidden 
> > Date: Wed, 17 Feb 1999 17:36:10 -0500 (EST) 
> >... 
> > > Again, I tried mapping various chars in .lynx-keymaps and  
> > > found it worked with ncurses, but I still lost the same chars (alt135, 
> > > 139)  
> > > using slang.  
> > 
> > I'm lost track - what type of terminal (or emulator) are you using? 
> > (iirc, you're running under some version of BSD). 
>  
> ProcommPlus emulating v220+color. 
> BTW -- What does "iirc" stand for?  I keep seeing it but haven't 
> deciphered it as yet...:) 

iirc - if I recall correctly.

>  
> > 135 = 0x87 
> > 139 = 0x8b 
> > 
> > Both are C1 (control) characters, though I don't know that they have any 
> > particular meaning.  So perhaps slang is simply stripping them out. 
>    
> what is "C1"?  Anyway, does that mean slang is right 
> to translate it to 0x10F?  I think not... 

vt220's implement 8-bit characters with a second set of control characters
(128-159).  The first set (0-31) is called C0, the second is C1.  A few
characters in C1 can cause the vt220 terminal to do stuff if you echo it.
So it's not a good idea to just print them.


> --le 


-- 
Thomas E. Dickey
address@hidden
http://www.clark.net/pub/dickey

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