patch applied (packages/pretty): Adds a `zeroWidthText' primitive to the library, in order to create text

[Ian Lynagh]

Thu Jun 26 09:16:47 PDT 2008  benedikt.huber at gmail.com
  * Adds a `zeroWidthText' primitive to the library, in order to create text
  which occupies no space (e.g. html or latex tags).

    M ./Text/PrettyPrint/HughesPJ.hs -1 +6

View patch online:
http://darcs.haskell.org/packages/pretty/_darcs/patches/20080626161647-c1f02-6cdafff1c355c3d51d1f0aeebbfb2f32cdfb8f45.gz