Improve usability of text copied from PDF

Author: nelsc

cplexts.tex

@@ -19,6 +19,8 @@
 	]{hyperref}	% for PDF hyperlinks and bookmarks
 \usepackage{chngcntr}	% for paragraph numbering
 \usepackage{color}	% for editorial marking
+\usepackage[T1]{fontenc} % to use 256-character fonts
+\usepackage{fontspec}	% to disable ligatures
 \usepackage{ifthen} 	% for conditional code/text
 \usepackage{listings}	% for code listings
 \usepackage{makeidx}	% for indexing
@@ -145,7 +147,7 @@
 
 \include{loopparameter}
 
-%\include{samples}
+%\%include{samples}
 
 \bibannex
 \begin{references}

macros.tex

@@ -128,7 +128,7 @@
 \newcommand{\exor}{\^{}}
 \newcommand{\bigoh}[1]{\ensuremath{\mathscr{O}(#1)}}
 % \renewcommand{\tilde}{{\smaller\ensuremath{\sim}}}    % extra level of braces is necessary
-\renewcommand{\tilde}{\protect\raisebox{-.5ex}{\larger\textasciitilde}}
+% \renewcommand{\tilde}{\protect\raisebox{-.5ex}{\larger\textasciitilde}}
 
 %%--------------------------------------------------
 %% States and operators