[boost] program_options defect

From: Neal D. Becker (nbecker_at_[hidden])
Date: 2003-08-13 08:23:10

I just found that program_options (from yahoo "files") has a serious defect.  
The value of an option cannot start with the character '-', or it will be 
interpreted as an option.

Obviously, this makes it difficult to enter a negative number as the option 
value.