deletions | additions       diff --git a/header.tex b/header.tex  index ebfe026..b47e737 100644  --- a/header.tex  +++ b/header.tex 
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\iflatexml  \documentclass[prl,reprint,showpacs,showkeys,floatfix]{revtex4-1}  \fi  \usepackage[T1]{fontenc}  \usepackage[utf8]{inputenc}  \usepackage{textcomp}  \usepackage{graphicx}  \usepackage{ae,aeguill} \usepackage{ae}  \usepackage{float}   \usepackage{amsfonts}  \usepackage{sistyle}  \usepackage{amsmath}