Purpose

To allow 1-step changes to map legend, across all English Wikipedia articles this template is used on

Usage

To add the File:Same-sex marriage in the United States.svg map with legend to an article, add code like the following:
- ((Map of same-sex marriage in the United States|align=center|size=upright=2))
  - align= and size= are both optional. If not used, image will default to right-justification and 150% image size.
Changes to this template may not show up immediately in various articles due to server caching. You can bypass this by purging the server cache while on an article page. For quick access to purging functions, activate the UTC live clock or Purge tab gadgets in your preferences.