Revision control
++ You may generate ui4.h and ui4.cpp parser files by using the generate_ui.py script
++ or manually by invoking the xsltproc command:
++
++ xsltproc generate_header.xsl ui4.xsd > ui4.h
++ xsltproc generate_impl.xsl ui4.xsd > ui4.cpp
++
++ Remember to update uic sources in qtbase module accordingly,
++ adapting the license.