st: comment out a number of lines together

["Paul O'Brien" <paul.obrien@afe2.org.uk>]

at times i need to comment out a number of lines, usually with * and  
remove the * later to activate the commands.

is there a simple way to remove and add the * to a number of line at  
one go?

thanks

paul

-------------------------------
Dr Paul O'Brien
Raymede Clinic
Westside Contraceptive Services
Westminster Primary Care Trust
Exmoor St
London
W10 6DZ
UK
44 + (0)20 8962 4450






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