I noticed when you put your text cursor (the flashing "|" thing) on the text box of adding tags in Chrome. The button you use to enter the tags becomes the "ā„ (rightwards arrow to bar)" button.
But when I used it in Firefox, it becomes the line-break button (the arrow pointing down and to the left). I can't paste the symbol, sorry, but you can search it.
The line-break button appears when you put your cursor in this reply text box too. Although, it doesn't appear when you add tags on Chrome (because, it becomes this ā„ instead). The line-break button appears on Firefox, for me, when I add tags.
Has anyone been able to put in custom tags on mobile?? I used to be able to do it, but for a really long time now whenever I try to enter in something in the tags part, it just moves onto the comments part