See the Emacs manual for more information about how to customize Font-lock mode. In Octave mode, the following special Emacs commands can be used in addition to the standard Emacs commands. Describe the features of Octave mode. Any other key combination is executed normally. Note that all Octave abbrevs start with a grave accent.
Point is left after the start of the comment which is properly aligned.
With just C-u prefix argument, uncomment each line in the region. N means use N comment characters. Otherwise, simply go to the end of the current line. The block marked is the one that contains point or follows point. An error is signaled if no block to close is found.