"--" in text

[John Levon]

Sily question: how do I get a literal "--" in normal text ? e.g. for describing
options like --dry-run. Must I use ERT ?

thanks
john

-- 
"Please crack down on the Chinaman's friends and Hitler's commander.
 Mother is the best bet and don't let Satan draw you too fast.
 A boy has never wept ... nor dashed a thousand kim. Did you hear me?"
        - Dutch Schultz