validator4-osx-x86_64-head (OS X/x86_64 HEAD (George Colpitts)), build 3, Failure

[Builder]

validator4-osx-x86_64-head (OS X/x86_64 HEAD (George Colpitts)), build 3

Build failed
Details: http://haskell.inf.elte.hu/builders/validator4-osx-x86_64-head/3.html

git clone          | Success
create mk/build.mk | Success
get subrepos       | Success
repo versions      | Success
booting            | Success
configuring        | Success
compiling          | Failure: Just (ExitFailure 2)

Build failed
Details: http://haskell.inf.elte.hu/builders/validator4-osx-x86_64-head/3.html

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                                                 ^
/Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/bugs.xml:259: parser error : Entity 'mdash' not defined
	  <term>Multiply-defined array elements—not checked:</term>
	                                              ^
/Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/bugs.xml:362: parser error : Entity 'nbsp' not defined
    Haskell 98 and Haskell 2010</title>
                 ^
/Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/bugs.xml:362: parser error : Entity 'nbsp' not defined
    Haskell 98 and Haskell 2010</title>
                                     ^
/Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/bugs.xml:602: parser error : chunk is not well balanced

^
/Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/ug-book.xml:23: parser error : Failure to process entity bugs
&bugs;
      ^
/Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/ug-book.xml:23: parser error : Entity 'bugs' not defined
&bugs;
      ^
/Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/users_guide.xml:10: parser error : Failure to process entity ug-book
&ug-book;
         ^
/Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/users_guide.xml:10: parser error : Entity 'ug-book' not defined
&ug-book;
         ^
unable to parse /Users/gcolpitts/nightly-builds/builder/tempbuild/build/docs/users_guide/users_guide.xml
Unexpected error occured
Error: xsltproc failed
make[1]: *** [docs/users_guide/users_guide.ps] Error 1
make: *** [all] Error 2