Latex - what is the problem?

Theoretiker

Fri, 08 Aug 2008 18:41:07 GM

\documentclass[​12pt,a4paper]{a​rticle} \usepackage[lat​in1]{inputenc} \usepackage[nge​rman]{babel} \usepackage[T1]​{fontenc} \usepackage{ams​math,amsgen,ams​cd,. amsrefs. ,amsthm,amsopn,​amssymb} \usepackage{gra​phicx} \usepackage{xco​lor} ...