Version 4.0: 2014-12-07 - Now works with Modern & Modern Dark Mode themes; no need to update if using only the Classic or Plain theme.
Version 3.1: 2014-05-23 - Replaced @namespace with script home page.
Version 3.0: 2014-05-23 - Changed script URLs to point to greasyfork.org, since userscripts.org hasn't been stable recently. BTW the profile preference option on MeFi profiles has since been relabeled "Use secure browsing" (from "Use SSL everywhere").
Version 2.0: 2013-07-03 - Now works with the new "Use SSL everywhere" user profile preference for logged-in MeFi members. Also added support for automatic script updates, as well as better compatibility with Chrome.
Version 1.1: 2011-10-23 - Moved hedgehog a tad farther left, so that it doesn't overlap with the left stripe along comments by the asker/OP in AskMe threads.
Version 1.0: 2011-10-20 - First release.
Modern Theme, with default MetaFilter triangle:
Modern Theme, with hedgehog script enabled: Instead of the default triangle, a hedgehog points to jessamyn's comment! (In this case, it's pointing to jessamyn's request to use the hedgehog.)
Modern Theme - Dark Mode, with default MetaFilter triangle:
Modern Theme - Dark Mode, with hedgehog script enabled:
Classic Theme, with default MetaFilter triangle (in this case, pointing to the comment where pb announced the new feature):
This script works on MeFi, AskMe, MeTa and all other subsites. Version 1.0 was tested in Firefox 7.0.1 for Windows; thanks to MeFites in the "Hooray for readability" MeTa thread for confirming that this script also works in Firefox for Mac, and Chrome for Windows and Mac.
Version 4.0 was tested to work with Firefox 33 and Chrome 39 for Windows. There are no guarantees that it will work anywhere else or with other MeFi-related scripts.
If you'd like to modify the script, please feel free. Disclaimer: I am not a programmer, but if you have suggestions for improving it, I'd be interested in learning about them.