[development] version = "$Name$" considered harmful in .info files

[Earnie Boyd]

Quoting Derek Wright <drupal at dwwright.net>:

>
> On Jun 14, 2007, at 11:53 PM, Dries Buytaert wrote:
>
>> That's probably a good idea.
>
> Done.  See http://drupal.org/node/152819 if you happen to care.
>
> All "version" definitions from all .info files on all branches of the 
>  contrib repo are now gone.
>
> All relevant handbook docs have been updated to tell people not to do  this.
>
> In the future, if you check out from CVS and see "version" defined,  
> please file an issue with the maintainer and scold them. ;)
>

What are the reprecussions to having a version string in the info file? 
  I don't understand the CON of specifying the version string.  If I 
specify ``version = CVS'' what is wrong with that?

Earnie