K 10
svn:author
V 7
zeising
K 8
svn:date
V 27
2019-11-01T14:36:06.460334Z
K 7
svn:log
V 177
porters-handbook/uses: remove reference to libGLw

Remove the reference to libGLw from the USES=gl section of the USES chapter
of the porters handbook.
libGLw has been removed.

END
