doc/xmlwf.sgml: Address GROFF issue

GROFF expects a macro name after a leading point. So remove
the linebreak and avoid the warning.
1 file changed
tree: 2c6409e7fbacb78cb98896ed9c6761658f81f5f0
  1. .gitignore
  2. expat/
  3. htdocs/
  4. testdata/