git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4187
That is, both the name of the environment variable and its value
are given.
+* OPTIONALLY, if --xml-user-comment=STRING was given:
+
+ <usercomment>STRING</usercomment>
+
+ STRING is not escaped in any way, so that it itself may be a piece
+ of XML with arbitrary tags etc.
+
* The program and args: first those pertaining to Valgrind itself, and
then those pertaining to the program to be run under Valgrind (the
client):