Function: _def_prettyprinter
Class: default
Section: default
C-Name: sd_prettyprinter
Prototype:
Help:
Doc: the name of an external prettyprinter to use when
 \kbd{output} is~3 (alternate prettyprinter). Note that the default
 \tet{tex2mail} looks much nicer than the built-in ``beautified
 format'' ($\kbd{output} = 2$).

 The default value is \kbd{"tex2mail -TeX -noindent -ragged -by\_par"}.
