Yes, you use the "Edit this page" link.
On the screen that appears, click the cog wheel button and select "Search macros".
On the Search Macros screen enter the terms required.
(In this case I checked the "Macro source contains" option and tried "show rest of quote". It came up with just the one result! Unfortunately, I don't have the NAML or JavaScript skills needed to hack the code I found there, but I guess some of your guys do! :-) )
Volunteer Helper - but recommending that users move off the platform!
Once the admin for GregHelp now deleted.