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Re: [Nmh-workers] colorized/highlighted scan output?
From: |
Tom Lane |
Subject: |
Re: [Nmh-workers] colorized/highlighted scan output? |
Date: |
Thu, 01 Nov 2012 22:25:07 -0400 |
David Levine <address@hidden> writes:
> Ken wrote:
>> My issue is straightforward and doesn't require any user-visible
>> changes, but I am thinking your issue might. I am wondering if
>> you've thought about how you'd make this work; maybe a format escape
>> that says, "Don't count these characters against the width total?"
>> Or something else?
> I was thinking of looking for ANSI sequences and not counting
> them. But I don't know if that could get into trouble with
> multibyte characters. mbtowc() is too much of a mystery to me.
> That format escape would avoid the issue.
+1 for a "don't count this" format escape. I don't think scan should be
assuming anything about what the terminal might take to be an escape
sequence. They're not that well standardized.
regards, tom lane