10 years ago
Remaps Y so that it duplicates the current line OR current selection to the line below. Overwrites default Y behaviour which is synonymous with yy.
Feel free to use nnoremap and vnoremap, or leave as nmap and vmap for increased compatability with some plugins.
"set Y to duplicate line or selection nmap Y yyp vmap Y y`>pgv " Duplicates then regains selection.