@findex mail-header-unfold-field
Unfold the header under point.
+@item mail-header-field-value
+@findex mail-header-field-value
+Return the value of the field under point.
+
@item mail-encode-encoded-word-region
@findex mail-encode-encoded-word-region
Encode the non-ASCII words in the region. For instance,
Smileys are those little @samp{:-)} symbols that people like to litter
their messages with (@pxref{Smileys}).
+All these functions are toggles--if the elements already exist,
+they'll be removed.
+
@table @kbd
@item W D x
@kindex W D x (Summary)
picons to be installed into a location pointed to by
@code{gnus-picons-database}.
+If you are using Debian GNU/Linux, saying @samp{apt-get install
+picons.*} will install the picons where Gnus can find them.
+
@node Picon Requirements
@subsubsection Picon Requirements
The default action under Emacs 20 is to fork off the @code{display}
program@footnote{@code{display} is from the ImageMagick package. For
the @code{uncompface} and @code{icontopbm} programs look for a package
-like `compface' or `faces-xface' on a GNU/Linux system.} to view the
-face.
+like @code{compface} or @code{faces-xface} on a GNU/Linux system.} to
+view the face.
Under XEmacs or Emacs 21+ with suitable image support, the default
action is to display the face before the @code{From} header. (It's
@chapter Appendices
@menu
+* XEmacs:: Requirements for installing under XEmacs.
* History:: How Gnus got where it is today.
* On Writing Manuals:: Why this is not a beginner's guide.
* Terminology:: We use really difficult, like, words here.
@end menu
+@node XEmacs
+@section XEmacs
+@cindex XEmacs
+@cindex Installing under XEmacs
+
+XEmacs is distributed as a collection of packages. You should install
+whatever packages the Gnus XEmacs package requires. The current
+requirements are @samp{gnus}, @samp{w3}, @samp{mh-e},
+@samp{mailcrypt}, @samp{rmail}, @samp{eterm}, @samp{mail-lib},
+@samp{xemacs-base}, and @samp{fsf-compat}.
+
+
@node History
@section History