emacs commenting lines

I was wondering if the comment-dwin (M-;) command could be changed that if i am anywhere in the line the whole line is commented and not a comment started from the end of the line. based on the idea found in a mailing list i altered the command with ;;...

Install Emacs from source on MAC OS X

How to install Emacs from source? You will need Xcode tools to perform this operation. MacBook-Pro: mkdir src MacBook-Pro: cd src MacBook-Pro: cvs -z3 -d:pserver:anonymous@cvs.sv.gnu.org:/sources/emacs co emacs MacBook-Pro: cd emacs MacBook-Pro: ./configure...