Convert WordPress' link categories to be hierarchical with this simple plugin.
One of the problems with WordPress' built-in blogroll/bookmark functionality is that you can't choose to create nested categories (sub-categories) for the links. This is silly, and makes the functionality nearly useless.
This plugin allows link categories to have parent categories (makes link categories "hierarchical"), saving you time and maybe even saving the world.
The plugin also now includes a widget!
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