I got a rails app where I can input a few paragraphs of text into my model. The problem is I dont know how to input any line breaks.
I\'ve tried to add \" {ln}{/ln}
The other answers are wrong. Text area does not render as line breaks, because the innerHTML value of the TEXTAREA element does not render HTML..
You need to add the Line feed HTML entity:
EXAMPLE:
<%= "LINE 1 LINE 2 LINE 3".html_safe %>
See also New line in text area - Stack Overflow