Re: [Groff] text variants

[Werner LEMBERG]

> What's the purpose of the \[tno], \[t+-], \[tmu], and \[tdi]
> characters?
> 
> groff_char(7) documents these characters as "text variants" of,
> respectively, \[no], \[+-], \[mu], and \[di], but provides no hints
> about when one might want to use the text variant characters and
> when the traditional versions.

\[t{no,+-,mu,di}] should be used in textual, \[{no,+-,mu,di}] in
mathematical context.  Normally, the latter glyphs are special glyphs
(this is, in font `S'), and its vertical offsets make them not blend
well into surrounding text.

> The groff info pages don't mention text variants at all.  This seems
> to be an oversight in the documentation.

Patches are welcomed :-)


    Werner