deletions | additions       diff --git a/header.tex b/header.tex  index 341435c..3d1355e 100644  --- a/header.tex  +++ b/header.tex 
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\iflatexml  \documentclass[prl,reprint,showpacs,showkeys,floatfix]{revtex4-1}  \fi  \usepackage{textcomp}  \usepackage{graphicx}  \usepackage{ae,aeguill}  \usepackage{float}   \usepackage{amsfonts}  \usepackage{sistyle}  \usepackage{amsmath} %\iflatexml  %\documentclass[prl,reprint,showpacs,showkeys,floatfix]{revtex4-1}  %\fi  %\usepackage{textcomp}  %\usepackage{graphicx}  %\usepackage{ae,aeguill}  %\usepackage{float}   %\usepackage{amsfonts}  %\usepackage{sistyle}  %\usepackage{amsmath}