[texhax] Two new symbols requestd

Barbara Beeton bnb at ams.org
Wed Apr 4 17:42:05 CEST 2007

Swami Pallasena asks:

    I am looking for two news symbols that are yet not available
    in The Comprehensive LaTeX Symbols List in CTAN.
    ( I need to use them in a document with mathpazo font
    and using pdfLaTeX.)

    (i) An upper semicircle
    so that a macro like \semi{X} places a semicircle on top
    of the letter "X"  (the symbol \frown is not what I am
    looking for, but a half circle).

      (ii) same as above, with the central dot includec.

      Any help will be appreciated.

the font lcircle -- used for the latex picture
environment -- has quarter circles that should
be able to be put together into appropriate
semicircles.  i don't have time to do this,
unfortunately, but maybe this will give someone
else an idea for where to start.

but i am interested in what is the meaning of
the two symbols as described.  i have been
working with the stix group to get new symbols
into unicode, and i've never heard of these two.
the unicode technical committee has accepted
the premise that math/technical notation is
open ended, and are amenable to encoding more
"generally accepted" symbols, provided these
symbols are presented with
 - a clear indication of how they're used
 - examples *in context*, preferably showing
   at least one instance with a definition

[more information about the stix project can
be found at
							-- bb

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