Fix the description of the %V WPS tag (last part of FS#11117)

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25349 a1c6a512-1295-4272-9138-f99709370657

docs/CREDITS

@@ -534,6 +534,7 @@ Jens Theeß
 Alexey Nemtsev
 Pascal Below
 Danny Attar
+Philipp Stephani
 
 The libmad team
 The wavpack team

manual/preamble.tex

@@ -79,7 +79,6 @@
 \usepackage{url}
 \urlstyle{sf}
 \usepackage{marvosym}
-\usepackage{ifthen}
 \usepackage{rotating}
 
 % pdf output: try pdf first, then png and jpg as file format
@@ -320,14 +319,13 @@
    commandchars=\\\{\}%
    }
 
-% Use the nopt command to exclude a certain defined feature from a sectio
+% Use the nopt command to exclude a certain defined feature from a section
 % Example:
 % \nopt{ondio}{This text will be excluded for ondios}
-\newcommand{\optnvalue}{0}
- \newcommand{\nopt}[2]{%
-   \renewcommand{\optnvalue}{0}\opt{#1}{\renewcommand{\optnvalue}{1}}%
-   \ifthenelse{\optnvalue > 0}{}{#2}%
- }
+\makeatletter
+\newcommand*\nopt[1]{\if\Opl@notlisted{#1}\expandafter\@firstofone
+   \else \expandafter\@gobble \fi}
+\makeatother
 
 % Use the reference to handle get a flexible reference command
 % usage \reference{ref_section}