Cabal revisions of xhtml-3000.2.1

Hackage metadata revisions edit the .cabal file after upload; each diff below is one revision.

 Name:               xhtml Version:            3000.2.1+x-revision: 1 Copyright:          Bjorn Bringert 2004-2006, Andy Gill and the Oregon                     Graduate Institute of Science and Technology, 1999-2001 Maintainer:         Chris Dornan <chris@chrisdornan.com>     location:       https://github.com/haskell/xhtml  library -    Build-depends:  base >= 4.0 && < 5.0+    Build-depends:  base >= 4.0 && < 4.11     Exposed-modules:                      Text.XHtml,                      Text.XHtml.Frameset,