This is possibly the most annoying (albeit not the worst!) thing I've encountered. I've embedded a textbox (input element) in a webpart and it's going about it's business quite nicely.
That was until I tested the application in Firefox and Chrome and realised to my horror that pressing enter in the textbox actually causes the page to go into Edit Mode.
Can somebody verify this? Because it was something that was in Sharepoint 2010, it was reported to be repeatable bug but it's also in 2013 (as I just discovered): https://social.technet.microsoft.com/Forums/en-US/33df42ba-00b3-41a8-8fb9-f8187cfc216d/strange-behavior-in-firefox-input-text-with-enter-opens-page-for-editing?forum=sharepointgeneralprevious
Does anybody out there have ideas, since the ones proposed here were for 2010, it didn't work for 2013.