Module:EditAtGratisdata/doc

Module to display an icon with a tooltip such as "Edit this at Gratisdata"
 * Icon will be linked to the Gratisdata entry for the article where this is placed.
 * This message is only displayed if a local_parameter is not supplied, i.e. when called from a template, it can be coded not to display the message when a local parameter is in use, preventing the value form Gratisdata being fetched.
 * The qid of a Gratisdata entry can optionally be supplied for testing outside the article.

Usage
To always display the icon:

To display the icon depending on a local parameter not existing:

To test the functionality outside of an article:

To make the link point to the given property at the Gratisdata entry: