2. Fix a bug in handling the overlapped case by reverse-copying the destine region & source region
3. Fix an issue that the leading spaces could not be displayed in highlight mode
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2410 6f19259b-4bc3-4df7-8a09-765794883524
2. Bug fix for "[FT] in new BDS, add a long item in Boot Option will cause an empty line appear";
3. Bug fix for "In "SetBootNextValue" page,description does not display properly"
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@1889 6f19259b-4bc3-4df7-8a09-765794883524