Steps to recreate:
[LIST=1]
[*]File->New
[*]ZScript->Compile ZScript...; 9-button "Compile ZScript" window appears
[*]Click 'Edit'; white 'Edit ZScript' window appears with #include "std.zh"
[*]Press ESC
[*]Observe "Save changes to buffer?" Yes/No msgbox appears
[/LIST]
This msgbox could cause novice scripters to become paranoid that they accidentally modified their script when that isn't the case.