The extracted metadata seems to always prefix the GPSLongitude value with whitespace.

Example: https://commons.wikimedia.org/w/api.php?action=query&prop=imageinfo&format=xml&iiprop=commonmetadata|extmetadata&iilimit=1&titles=File%3ALandsort%20Lighthouse%20August%202013%2009.jpg

This occurs for coordinates entered by both through the location and the object location templates.

Version: unspecified
Severity: normal
See Also:
https://bugzilla.wikimedia.org/show_bug.cgi?id=57458