prevent enum_choice from dom injection (refs #3799 3761)
prevent exception when there is no onclick on checkboxes (refs #3799)
getResPhpFunc should not escape results (refs #3799)
enum_choice.js beautification (refs #3799)
taufu for autocompletion (refs #3799)
Merge pull request #753 from CircleCode/3.2-I3799

autocompletion robustness (closes #3799)