Fix issue #6614: Support spaces in @mentions using quotes#6616

aNsHuL5217 wants to merge 2 commits intoopenstreetmap:masteropenstreetmap/openstreetmap-website:masterfrom

aNsHuL5217:fix-issue-6614-username-spacesaNsHuL5217/openstreetmap-website:fix-issue-6614-username-spacesCopy head branch name to clipboard