Revision 5856

PGbasicmacros:  I've used "\lq\lq{}"  instead of "``"  in $LQ to prevent conflict with the ``....`` construct.

I also changed $RQ to "\rq\rq{}" for consistency.

In unionMacros.pl  I removed the redefinition of $LQ and $RQ
in parserOrientation.pl  I changed the definition of ^ to use \char94 instead of \char`\^

In prob6.pg  I changed \char`\{  to  \char123 and also \char`\} to \char125

In prob10.pg I changed \char`\< to \char60 (and > to \char62)

The pdf file works now for setOrientation.