From 3a571aa74cd252d4b040db42391b5fda8a9e130b Mon Sep 17 00:00:00 2001
From: Meng Weng Wong <mengwong@legalese.com>
Date: Sat, 26 Feb 2022 02:19:11 +0800
Subject: [PATCH] IDoc link has bitrotted; replaced with web.archive.org cache.
 (#1454)

---
 doc/intro.rst | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/doc/intro.rst b/doc/intro.rst
index fc1269f983..9b93cb9382 100644
--- a/doc/intro.rst
+++ b/doc/intro.rst
@@ -25,7 +25,7 @@ in mind:
    The easier it is to write documentation, the more likely the
    programmer is to do it. Haddock therefore uses lightweight markup in
    its annotations, taking several ideas from
-   `IDoc <http://www.cse.unsw.edu.au/~chak/haskell/idoc/>`__. In fact,
+   `IDoc <https://web.archive.org/web/20180621053227/http://www.cse.unsw.edu.au/~chak/haskell/idoc/>`__. In fact,
    Haddock can understand IDoc-annotated source code.
 
 -  The documentation should not expose any of the structure of the
@@ -150,11 +150,11 @@ Acknowledgements
 Several documentation systems provided the inspiration for Haddock, most
 notably:
 
--  `IDoc <http://www.cse.unsw.edu.au/~chak/haskell/idoc/>`__
+-  `IDoc <https://web.archive.org/web/20180621053227/http://www.cse.unsw.edu.au/~chak/haskell/idoc/>`__
 
--  `HDoc <http://www.fmi.uni-passau.de/~groessli/hdoc/>`__
+-  `HDoc <https://mail.haskell.org/pipermail/haskelldoc/2001-April/000067.html>`__
 
--  `Doxygen <http://www.stack.nl/~dimitri/doxygen/>`__
+-  `Doxygen <https://www.doxygen.nl/index.html>`__
 
 and probably several others I've forgotten.
 
-- 
GitLab