Add multifont to the manual. Closes FS#11294.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@26987 a1c6a512-1295-4272-9138-f99709370657
diff --git a/manual/advanced_topics/viewports/grayscale-vp-syntax.tex b/manual/advanced_topics/viewports/grayscale-vp-syntax.tex
index fdcdabb..a846070 100644
--- a/manual/advanced_topics/viewports/grayscale-vp-syntax.tex
+++ b/manual/advanced_topics/viewports/grayscale-vp-syntax.tex
@@ -6,7 +6,8 @@
\item `fgshade' and `bgshade' are numbers in the range 0 (= black) to 3
(= white).
\item `font' is a number: 0 is the built-in system font, 1 is the
- user-selected font.
+ current menu font, and 2-9 are additional are skin loaded fonts (see
+ \reference{ref:multifont}).
\item Only the coordinates \emph{have} to be specified. Leaving the other
definitions blank will set them to their default values.
\end{itemize}