\documentclass[11pt]{article}
\usepackage[a4paper,margin=1.5cm]{geometry}
\usepackage[baw,pstricks]{fvrb-ex}
\usepackage{pst-circ}
\usepackage{pstcol}
\usepackage{url}
\makeatletter
\def\@UrlFont{\small\ttfamily}
\renewenvironment{description}
  {\list{}{\labelwidth\z@ \itemindent-\leftmargin 
    \itemsep0pt \parsep0pt
    \let\makelabel\descriptionlabel}}
  {\endlist}
\renewcommand{\Begin@Example}{%
\parindent=0pt
\multiply\topsep by 2 \VerbatimEnvironment
\begin{VerbatimOut}[codes={\catcode`\£=12\catcode`\/=12\catcode`\&=12%
                           \catcode`\"=12}]{\jobname.tmp}}
\renewcommand{\Below@Example}[1]{%
\VerbatimInput[gobble=0,commentchar=£,commandchars=/&",numbersep=3pt]%
              {\jobname.tmp}
\catcode`\£=9\relax%
\NoHighlight@Attributes % To suppress possible highlighting
\ifFvrbEx@Grid\vspace{5pt}\fi
#1%
\ifFvrbEx@Grid\vspace{5pt}\fi
\par}
\renewcommand{\SideBySide@Example}[1]{%
\@tempdimb=\FV@XRightMargin \advance\@tempdimb -5mm
\begin{minipage}[c]{\@tempdimb}
  \fvset{xrightmargin=0pt}
  \catcode`\£=9\relax%
  \NoHighlight@Attributes % To suppress possible highlighting
  #1
\end{minipage}%
\@tempdimb=\textwidth \advance\@tempdimb -\FV@XRightMargin \advance\@tempdimb 5mm
\begin{minipage}[c]{\@tempdimb}
  \VerbatimInput[gobble=0,commentchar=£,commandchars=/&",numbersep=3pt,
                 xleftmargin=5mm,xrightmargin=0pt]{\jobname.tmp}
\end{minipage}}
% The \NoHighlight@Attributes from `hbaw' and `hcolors' packages
% must be modified too
\def\NoHighlight@Attributes{%
\catcode`\/=0\relax%
\catcode`\&=1\relax%
\catcode`\"=2\relax%
\def\HLa##1{##1}%
\def\HLb##1{##1}%
\def\HLc##1{##1}%
\def\HLd##1{##1}%
\def\HLe##1{##1}%
\def\HLf##1{##1}%
\def\HLBFa##1{##1}%
\def\HLBFb##1{##1}%
\def\HLBFc##1{##1}%
\def\HLBFd##1{##1}%
\def\HLBFe##1{##1}%
\def\HLBFf##1{##1}%
\def\HLITa##1{##1}%
\def\HLITb##1{##1}%
\def\HLITc##1{##1}%
\def\HLITd##1{##1}%
\def\HLITe##1{##1}%
\def\HLITf##1{##1}%
\def\HLCBBa##1{##1}%
\def\HLCBBb##1{##1}%
\def\HLCBBc##1{##1}%
\def\HLCBBd##1{##1}%
\def\HLCBBe##1{##1}%
\def\HLCBBf##1{##1}%
\def\HLCBBz##1{##1}%
\def\HLCBWa##1{##1}%
\def\HLCBWb##1{##1}%
\def\HLCBWc##1{##1}%
\def\HLCBWd##1{##1}%
\def\HLCBWe##1{##1}%
\def\HLCBWf##1{##1}%
\def\HLCBWz##1{##1}%
}
\makeatother
\fvset{numbers=none,frame=single,labelposition=topline}
\DeclareRobustCommand\cs[1]{\texttt{\char`\\#1}}
\newcommand{\CircPackage}{\textbf{`pst-circ'}}
\usepackage{fancyhdr}
\lhead{\CircPackage}\rhead{A PSTricks package for drawing electric circuits}
\pagestyle{fancy}
%
\begin{document}
\input logic
\end{document}