Don't have fancy quotes interfere with the run again link replacement

git-svn-id: https://svn.code.sf.net/p/rkward/code@4866 7936002b-cd1d-0410-9ce3-d7ebf93b5162
Add plugin tests for recode_categorical

git-svn-id: https://svn.code.sf.net/p/rkward/code@4867 7936002b-cd1d-0410-9ce3-d7ebf93b5162
Fix x11-capturing stress test, and add stress test for RK device

git-svn-id: https://svn.code.sf.net/p/rkward/code@4868 7936002b-cd1d-0410-9ce3-d7ebf93b5162
Learning to spell, and to assign in .GlobalEnv...

git-svn-id: https://svn.code.sf.net/p/rkward/code@4869 7936002b-cd1d-0410-9ce3-d7ebf93b5162