Removed loading of shared font stuff from howto.cls and manual.cls, moving it

to pypaper.sty.

Added the use of the "avant" package to use AvantGarde for the sans-serif
font instead of the helvetica font loaded by the "times" package.

Doc/texinputs/howto.cls

@@ -24,12 +24,7 @@
 % implement, and is used to put the chapter and section information in 
 % the footers.
 %
-% The "times" package makes the default font the PostScript Times
-% font, which makes for smaller PostScript and a font that more people 
-% like.
-%
 \RequirePackage{fancyhdr}\typeout{Using fancier footers than usual.}
-\RequirePackage{times}\typeout{Using times fonts instead of Computer Modern.}
 
 
 % Required package:

Doc/texinputs/manual.cls

@@ -25,12 +25,7 @@
 % implement, and is used to put the chapter and section information in 
 % the footers.
 %
-% The "times" package makes the default font the PostScript Times
-% font, which makes for smaller PostScript and a font that more people 
-% like.
-%
 \RequirePackage{fancyhdr}\typeout{Using fancier footers than usual.}
-\RequirePackage{times}\typeout{Using times fonts instead of Computer Modern.}
 
 
 % Required packages:

Doc/texinputs/pypaper.sty

@@ -4,3 +4,16 @@
 %
 \newcommand{\py@paper}{letterpaper}
 \newcommand{\py@ptsize}{10pt}
+
+%  These set up the fonts for the documents.
+%
+%  The "times" package makes the default font the PostScript Times
+%  font, which makes for smaller PostScript and a font that more people 
+%  like.
+%
+%  The "avant" package causes the AvantGarde font to be used for
+%  sans-serif text, instead of the uglier Helvetica set up by the "times"
+%  package.
+%
+\RequirePackage{times}\typeout{Using Times instead of Computer Modern.}
+\RequirePackage{avant}\typeout{Using AvantGarde instead of Helvetica.}