Re: Semicircle as an accent mark above a character

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Hi,

Does not \u{A} serve your purpose for single characters?

On Sat, Oct 31, 2020 at 3:25 PM P P Narayanaswami <[email protected]> wrote:

> I need to write a macro (something like \semicircle{{#1}} ) to place an
> "inverted semicircle" symbol
> as an accent mark to be placed over one or two characters, perhaps using
> a \stackrel command  such as the following.
> \documentclass{article}
> \newcommand{\semicircle}[1]{\ensuremath{\stackrel{\frown}{\mbox{#1}}}}
> \begin{document} \semicircle{A}, \semicircle{AB}
> \end{document}
> The "\frown" symbol here is too flat, and if I use the "\cap" symbol, it
> is too tight,
> so the choice is an inverted semicircle sitting over the character(s).
> The semicircle should spread over all the characters (one or two) that
> are placed for #1 in the macro -
> something like \semicircle{X} or \semicircle (XY} etc.
>   Is TikZ a good choice? Any help in building such a macro will be
> appreciated.
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*With regards,M. Kalidoss, Trichy - 620 023*

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<div dir=3D"ltr"><div>Hi,</div><div><br></div><div>Does not \u{A} serve you=
r purpose for single characters?</div><br><div class=3D"gmail_quote"><div d=
ir=3D"ltr" class=3D"gmail_attr">On Sat, Oct 31, 2020 at 3:25 PM P P Narayan=
aswami &lt;<a href=3D"mailto:[email protected]">[email protected]</a>&gt; wrote:<br><=
/div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bo=
rder-left:1px solid rgb(204,204,204);padding-left:1ex">I need to write a ma=
cro (something like \semicircle{{#1}} ) to place an <br>
&quot;inverted semicircle&quot; symbol<br>
as an accent mark to be placed over one or two characters, perhaps using <b=
r>
a \stackrel command=C2=A0 such as the following.<br>
\documentclass{article}<br>
\newcommand{\semicircle}[1]{\ensuremath{\stackrel{\frown}{\mbox{#1}}}}<br>
\begin{document} \semicircle{A}, \semicircle{AB}<br>
\end{document}<br>
The &quot;\frown&quot; symbol here is too flat, and if I use the &quot;\cap=
&quot; symbol, it <br>
is too tight,<br>
so the choice is an inverted semicircle sitting over the character(s).<br>
The semicircle should spread over all the characters (one or two) that <br>
are placed for #1 in the macro -<br>
something like \semicircle{X} or \semicircle (XY} etc.<br>
=C2=A0 Is TikZ a good choice? Any help in building such a macro will be <br=
>
appreciated.<br>
_______________________________________________<br>
Home:=C2=A0 =C2=A0 =C2=A0 =C2=A0 <a href=3D"http://www.tug.org.in/" rel=3D"=
noreferrer" target=3D"_blank">http://www.tug.org.in/</a><br>
TeX FAQ:=C2=A0 =C2=A0 =C2=A0<a href=3D"http://www.tex.ac.uk/faq" rel=3D"nor=
eferrer" target=3D"_blank">http://www.tex.ac.uk/faq</a><br>
unsubscribe: <a href=3D"http://tug.org/mailman/listinfo/tugindia" rel=3D"no=
referrer" target=3D"_blank">http://tug.org/mailman/listinfo/tugindia</a><br=
>
</blockquote></div><br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr"=
 class=3D"gmail_signature"><div dir=3D"ltr"><div><b><span style=3D"color:rg=
b(51,51,255)">With regards,</span><br style=3D"color:rgb(51,51,255)"><br st=
yle=3D"color:rgb(51,51,255)"><span style=3D"color:rgb(51,51,255)">M. Kalido=
ss, </span><br style=3D"color:rgb(51,51,255)"><span style=3D"color:rgb(51,5=
1,255)">Trichy - 620 023</span><br style=3D"color:rgb(51,51,255)"></b><br><=
br></div></div></div></div>

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