Commenting/uncommenting with vim/gVim

fracpete June 9, 2019

Comment a block:

go to first line of block
Ctrl+V (or Ctrl+Q) to enter BLOCK mode
go to last line of block
press Shift+I to enter INSERT mode
enter comment string, e.g., # and press ESC

Uncomment a block:

go to first line of block
Ctrl+V (or Ctrl+Q) to enter BLOCK mode
go to last line/char of block
press x to remove block

Taken from here:

https://stackoverflow.com/questions/1676632/whats-a-quick-way-to-comment-uncomment-lines-in-vim/1676690#1676690