SVN log history woes

[blu-Z8efaSeK1ezqlBn2x/YWAg at public.gmane.org (Edward Ned Harvey)]

> From: discuss-bounces-mNDKBlG2WHs at public.gmane.org [mailto:discuss-bounces-mNDKBlG2WHs at public.gmane.org] On Behalf
> Of theBlueSage
> 
> In short, I need a way to keep commit log history per file when I merge
> one branch into another in SVN. I know this is a limitation of SVN, but

Not really.
Have a look at --use-merge-history (-g)
http://svnbook.red-bean.com/en/1.5/svn.branchmerge.advanced.html

I think this ability was added in svn 1.5, but don't quote me.  Fact check
if it's important for you to know which version of svn introduced this.