What's the reasoning behind having both a content_icon and an icon_expr 
property on FTIs in CMF 2.2?

Apart from being really confusing, it seems that DynamicType.getIcon() 
returns fti.getIcon() (with some mangling), which returns self.content_icon.

Hence, if you set an icon with icon_expr and leave content_icon, 
getIcon() always returns an empty string.

This sounds like a bug to me, but I'm not sure how best to fix it:

  - remove one of content_icon and icon_expr?
  - make TypeInfo.getIcon() check both? If so, which takes precedence?
  - make Dynamictype.getIcon() check both? If so, which takes precedence?


Author of `Professional Plone Development`, a book for developers who
want to work with Plone. See http://martinaspeli.net/plone-book

Zope-CMF maillist  -  Zope-CMF@zope.org

See https://bugs.launchpad.net/zope-cmf/ for bug reports and feature requests

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