Confluence: Find pages that use a particular macro

Here are the instructions fro Sarah Maddox: https://ffeathers.wordpress.com/2011/11/04/how-to-search-confluence-for-usage-of-a-macro/

It works in Confluence 5.8.

You search for the following, where x is the macro name:

macroName: x

For example:

macroName: excerpt-include