It is no longer necessary to cast to sal_Unicode when calling OUStringBuffer::append Change-Id: Iab3d1e12eef472cfe11f1d0d1969ca404091dd7d
Predates sal - string functions, url manipulation, stream stuff, polygons, etc. Exact history is lost before Sept. 18th, 2000, but old source code comments show that part of the tools library dates back until at least April 1991. This directory will be removed in the near future (see fdo#39445 or fdo#63154).