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Re: [Groff] composition operator
From: |
Tadziu Hoffmann |
Subject: |
Re: [Groff] composition operator |
Date: |
Wed, 14 Mar 2007 17:47:54 +0100 |
User-agent: |
Mutt/1.5.13 (2006-08-11) |
> I need a composition operator in groff for math (centered
> circle, not too big), but I can't find any suitable
> candidates, the closest I've come to is \[Om]. \[ao] and
> \[ci] are too big, but I haven't tried \s-2\[ci]\s+2 yet.
> Is this the solution?
Why do you say that the ring accent \[ao] is too big? What font
are you using? I think that the ring accent of Times Roman is
actually quite small; I would rather use the degree symbol:
.\" eqn
.EQ
delim $$
sdefine comp1 % type operator roman "\v'.34m'\(ao\v'-.34m'" %
sdefine comp2 % type operator font S "\v'.26m'\(de\v'-.26m'" %
sdefine comp3 % type operator "\s'-2'\v'-.09m'\(ci\v'.09m'\s'+2'" %
.EN
.sp 3c
$(f comp1 g)(x) = f(g(x))$ alignment test: $ + comp1 + comp1 + $
.br
$(f comp2 g)(x) = f(g(x))$ alignment test: $ + comp2 + comp2 + $
.br
$(f comp3 g)(x) = f(g(x))$ alignment test: $ + comp3 + comp3 + $
.br