I tried using your addon and removing all other skills and keeping 111320. Putting it in context-2 works fine but when I change to context-1 it doesn't seem to work.
FileName = xml[bit].dat.files\\skill3_contextscriptdata_kungfufighter_contextsimplemode.xml
Search = <result skillbar-2="111320" context-ui-effect="combo" control-mode="bns" />
Replace = <result context-1="111320" context-ui-effect="combo" control-mode="bns" />
Description = KFM FIRE SIMP RMB and 2 switched made by : Exora#3932
FileName = xml[bit].dat.files\\skill3_contextscriptdata_kungfufighter_contextsimplemode.xml
Search = <result skillbar-2="111320" context-ui-effect="combo" control-mode="bns" />
Replace = <result context-1="111320" context-ui-effect="combo" control-mode="bns" />
Description = KFM FIRE SIMP RMB and 2 switched made by : Exora#3932