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Throw away empty icon specifications in icon rule evaluation
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@ -117,7 +117,8 @@ class ColumnIcon(object): # {{{
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template_cache=template_cache)
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if not rule_icons:
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continue
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icon_list = [ic.strip() for ic in rule_icons.split(':')]
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icon_list = [ic.strip() for ic in rule_icons.split(':') if ic.strip()]
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print(icon_list)
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icons.extend(icon_list)
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if icon_list and not kind.endswith('_composed'):
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break
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