Windows-style paths should be exported.
* Enable the user to modify the PATH environment variable.
* The fix to the "string lit" == "some other string lit" problem
thrown up by MSVC. It's been noted that this solution isn't optimal,
but that it's OK for 1.3.x.
* Invoke lyx2lyx as "python <path to>/lyx2lyx" and
����TeXFiles.sh��as��"sh��<path��to>/TeXFiles.sh"
* Exit LyX if we're unable to create the LyX tempdir (/tmp/lyx_tmpdirXXX).
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/branches/BRANCH_1_3_X@9541 a592a061-630c-0410-9148-cb99ea01b6c8
4c41cd5d0f