bug report, v1.7.12.1 -- Documentation/git-push.xml:113: element literal: validity error

doing a source install of git v1.7.12.1, 
on the `make all doc` step, I get:

    XMLTO git-push.1
xmlto: input does not validate (status 3)
/usr/local/git-git-51993a4/Documentation/git-push.xml:113: element literal: validity error : Element emphasis is not declared in literal list of possible children
Document /usr/local/git-git-51993a4/Documentation/git-push.xml does not validate
make[1]: *** [git-push.1] Error 3
make[1]: Leaving directory `/usr/local/git-git-51993a4/Documentation'
make: *** [doc] Error 2

-------------------------------------------
and the patch which permitted me to proceed
-------------------------------------------

113c113
<         <literal>git push --prune remote refs/heads/:refs/tmp/</literal> would
---

        <literal>git push --prune remote refs/heads/<emphasis role="strong">:refs/tmp/</emphasis></literal> would

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Hugh Esco 
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