<html><body><p> Hello, </p><p>I have some math expresses (fractions), eqnarrays, tabulars with fractions and after conversion to ps (-> pdf), most of the fraction lines and tabular lines (hline) became bold. What is weird, not all the lines. Colud someone please help me?</p><p> The preamble is<br></p><p>\documentclass[11pt,a4paper,czech, UKenglish]{report}\usepackage{amsmath}<br>\usepackage{amssymb}<br>\usepackage{fancyhdr}<br>\usepackage{booktabs}<br>\usepackage{multirow}<br>\usepackage{bigstrut}<br>\usepackage[dvips]{graphicx}<br>\usepackage{pstcol}<br>\usepackage{pstricks,pst-node, pst-tree}<br>\usepackage{babel,varioref}<br>\usepackage[T1]{fontenc}<br>\usepackage[cp1250]{inputenc} </p><p>Thanks. Lucie <br></p></body></html>