Tag wikis on Meta don't show the edit button to suggest edits. Empty tag wikis have a “Propose Tag Wiki” button, but it doesn't do anything. So only 20k users and mods can edit tag wikis on Meta. Is this by design? If so, then the page for empty tag wikis is misleading.
Citing Jeff's answer from meta.math.sx:
I wouldn't mess with meta tag wikis -- we plan to export all the common, standard meta tag wikis from meta.so.
(There might be an exception for topic specific, special per-site meta tags but these are quite rare in my experience.)
I definitely encourage anyone interested to assist in editing the main site tag wikis, however, particularly the page 1 tags.. please!
2I'll be amazed if there aren't loads of "special per-site" meta tags. I think that we should revisit this when they've done the roll-out. Mar 16, 2011 at 9:48
Oh yes, we should. Mar 16, 2011 at 9:54
this is by design for the moment -- definitely focus on your main site tags for now, and get those tag excerpts whipped into shape Mar 18, 2011 at 21:31