Type “about:config” in the location bar. In the “Filter” field type “singleline” Change the value of editor.singleLine.pasteNewlines to 2 for, which will allow pasting of multiple lines to input boxes. (source)
A rather geeky/technical weblog, est. 2001, by Bramus
Type “about:config” in the location bar. In the “Filter” field type “singleline” Change the value of editor.singleLine.pasteNewlines to 2 for, which will allow pasting of multiple lines to input boxes. (source)