[vim bindings] Lift creation of upperCaseChars out of function
[vim bindings] Lift creation of upperCaseChars out of function

Issue #6722

hackmdio/CodeMirror,pabloferz/CodeMirror,pabloferz/CodeMirror,hackmdio/CodeMirror,dperetti/CodeMirror,dperetti/CodeMirror,dperetti/CodeMirror,nightwing/CodeMirror,nightwing/CodeMirror,pabloferz/CodeMirror,hackmdio/CodeMirror,nightwing/CodeMirror