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<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
- <!ENTITY hacking SYSTEM "../../ghc/HACKING">
+ <!ENTITY hacking SYSTEM "../../HACKING">
]>
<article id="building-guide">