Some selected punctuation marks are automatically converted into their dominant corresponding pronunciations. These are:
%
:percent
&
:and
+
:plus
@
:at
−
(Unicode minus sign, U+2212, distinct from the ASCII hyphen):minus
Dashes are added around the signs if needed, e.g.:
C++
:c-plus-plus
Q&A
:q-and-a
Folding@home
:folding-at-home