Fix "infinite loop" typo and potential bug for level-N>1 limiting, clarify some code
Fix "infinite loop" typo and potential bug for level-N>1 limiting,
clarify some code



git-svn-id: ffc1bc5b3feaf8644044862cc38c386ade156493@3210 434f946d-2f3d-0410-ba4c-cb9f52fb0dbf

certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh,certik/libmesh