added unicode shortcut documentation
Merge branch 'master' into unicodedocs
corrections to unicode shortcut docs
added tab completion to REPL docs
explicitly mention in docs that function names can be unicode
Merge branch 'master' into unicodedocs
added more unicode examples to REPL docs
Merge branch 'master' into unicodedocs
correction to unicode examples in REPL docs
Merge branch 'master' into unicodedocs
added better examples of super/sub-scripts to unicode REPL docs
Merge branch 'master' into unicodedocs
Merge pull request #7918 from bjarthur/unicodedocs

unicode shortcuts documentation