[C2hs] patch applied (c2hs): Allow escape sequences in the file name part of #line directives

Thu Apr 6 14:47:15 PDT 2006 Duncan Coutts <duncan.coutts@worc.ox.ac.uk> * Allow escape sequences in the file name part of #line directives M ./c2hs/c/CLexer.x -2 +2