Commit (HEAD): WP exporter improvements

[j.m.maurer]

added text attributes bold, italic, superscript, subscript, linethrough and underline fix errors in the exported file that made WP crash   CVS: ---------------------------------------------------------------------- CVS: Enter Log.  Lines beginning with `CVS:' are removed automatically CVS: CVS: Committing in . CVS: CVS: Modified Files: CVS:    ie_exp_WordPerfect.cpp ie_exp_WordPerfect.h CVS: ----------------------------------------------------------------------