Macro builder line and poly styles crash

When trying to change line or polygon styles in the macro builder, an uncaught exception is thrown by overlay_edit.js line 255 because obj.vars.styles does not contain the referenced element, e.g. 'overlayline'.

As best I can tell, this may be due to a handler not being invoked. For example, the handler for 'overlayedit_linestyle' added at overlay_edit.js line 10 is never invoked. The related handler for 'overlayedit_linestyle_apply' *is* invoked whenever the checkbox is changed.

I'm not very familiar with the code to know what to investigate next. I'll be glad to pursue it some more, if someone can point me in the right direction.

Thanks.