Xref: utzoo comp.bugs.sys5:331 comp.bugs.4bsd:700
Path: utzoo!utgpu!water!watmath!clyde!rutgers!cmcl2!beta!hc!ames!amdahl!nsc!amos
From: amos@nsc.nsc.com (Amos Shapir NSTA)
Newsgroups: comp.bugs.sys5,comp.bugs.4bsd
Subject: Re: ctype (was: VI bug)
Message-ID: <4977@nsc.nsc.com>
Date: 20 Feb 88 17:52:00 GMT
References: <1027@sauron.Columbia.NCR.COM>
Organization: National Semiconductor, Sunnyvale
Lines: 13

The is...() macros are only valid to test the type of ASCII values;
that's what the isascii() macro is for.

The correct usage is:
	if(isascii(c) && isdigit(c)) ...

and that's how it should be fixed in vi.
(See K&R p.127 or H&S p. 291).

-- 
	Amos Shapir				My other CPU is a NS32532
National Semiconductor 7C/266  1135 Kern st. Sunnyvale (408) 721-8161
amos@nsc.com till March 1, 88; Then back to amos%taux01@nsc.com