Try it, if you have galleries up.
Add a comment to a picture and, between any two sentences, hit <Enter> or <Return> on your keyboard.
Click on Save, and watch how a lower-case n is introduced right where you broke the line.
And all this because somebody Higher Up wanted to deny "spammers" (and with them the rest of us "honest" users ) the option of posting working links in their Gallery Descriptions.
BZT