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Set the comment syntax for a file in Emacs
The other day I was editing a httpd.conf file and wanted to comment a large section. On the server I was using the comment syntax wasn’t setup for these types of files.
So, to quickly accomplish I just needed to set the comment-start variable to “#”.
For example,
M-: (setq comment-start "#") RET
Then with the block marked, a comment-region worked perfectly.