html_tag_re = re.compile ('(?i)<html>')
doctype_re = re.compile ('(?i)<!DOCTYPE')
doctype = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">\n'
-css_re = re.compile ('(?i)<link rel="stylesheet" type="text/css" href="[^">]*?lilypond.css"([^>]*)>')
+css_re = re.compile ('(?i)<link rel="stylesheet" type="text/css" ([^>]*)href="[^">]*?lilypond.css"([^>]*)>')
end_head_tag_re = re.compile ('(?i)</head>')
css_link = '<link rel="stylesheet" type="text/css" href="%sDocumentation/lilypond.css">\n'