From 283803fb5c79873780537a8eead42761c3c5bbed Mon Sep 17 00:00:00 2001
From: William Rusnack <williamrusnack@gmail.com>
Date: Tue, 14 May 2024 16:54:55 -0400
Subject: [PATCH] update profunctor paper link

Suggested on https://discourse.haskell.org/t/contact-sigfpe/9539/5?u=bebesparkelsparkel
---
 src/Data/Profunctor.hs             | 2 +-
 src/Data/Profunctor/Composition.hs | 2 +-
 src/Data/Profunctor/Internal.hs    | 2 +-
 src/Data/Profunctor/Types.hs       | 2 +-
 src/Data/Profunctor/Unsafe.hs      | 2 +-
 5 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/src/Data/Profunctor.hs b/src/Data/Profunctor.hs
index 7a5b00b6..1962ae0e 100644
--- a/src/Data/Profunctor.hs
+++ b/src/Data/Profunctor.hs
@@ -9,7 +9,7 @@
 --
 -- For a good explanation of profunctors in Haskell see Dan Piponi's article:
 --
--- <http://blog.sigfpe.com/2011/07/profunctors-in-haskell.html>
+-- <https://github.com/dpiponi/StableBlog/blob/main/Profunctors/Profunctors.pdf>
 --
 -- For more information on strength and costrength, see:
 --
diff --git a/src/Data/Profunctor/Composition.hs b/src/Data/Profunctor/Composition.hs
index 52559c7d..386b2938 100644
--- a/src/Data/Profunctor/Composition.hs
+++ b/src/Data/Profunctor/Composition.hs
@@ -63,7 +63,7 @@ type Iso s t a b = forall p f. (Profunctor p, Functor f) => p a (f b) -> p s (f
 -- For a good explanation of 'Profunctor' composition in Haskell
 -- see Dan Piponi's article:
 --
--- <http://blog.sigfpe.com/2011/07/profunctors-in-haskell.html>
+-- <https://github.com/dpiponi/StableBlog/blob/main/Profunctors/Profunctors.pdf>
 --
 -- 'Procompose' has a polymorphic kind since @5.6@.
 
diff --git a/src/Data/Profunctor/Internal.hs b/src/Data/Profunctor/Internal.hs
index 0cfbfd89..30c0d298 100644
--- a/src/Data/Profunctor/Internal.hs
+++ b/src/Data/Profunctor/Internal.hs
@@ -21,7 +21,7 @@
 --
 -- For a good explanation of profunctors in Haskell see Dan Piponi's article:
 --
--- <http://blog.sigfpe.com/2011/07/profunctors-in-haskell.html>
+-- <https://github.com/dpiponi/StableBlog/blob/main/Profunctors/Profunctors.pdf>
 --
 -- This module includes /unsafe/ composition operators that are useful in
 -- practice when it comes to generating optimal core in GHC.
diff --git a/src/Data/Profunctor/Types.hs b/src/Data/Profunctor/Types.hs
index e37ad020..6e956147 100644
--- a/src/Data/Profunctor/Types.hs
+++ b/src/Data/Profunctor/Types.hs
@@ -14,7 +14,7 @@
 --
 -- For a good explanation of profunctors in Haskell see Dan Piponi's article:
 --
--- <http://blog.sigfpe.com/2011/07/profunctors-in-haskell.html>
+-- <https://github.com/dpiponi/StableBlog/blob/main/Profunctors/Profunctors.pdf>
 --
 -- For more information on strength and costrength, see:
 --
diff --git a/src/Data/Profunctor/Unsafe.hs b/src/Data/Profunctor/Unsafe.hs
index 0906e4f2..48027b6c 100644
--- a/src/Data/Profunctor/Unsafe.hs
+++ b/src/Data/Profunctor/Unsafe.hs
@@ -12,7 +12,7 @@
 --
 -- For a good explanation of profunctors in Haskell see Dan Piponi's article:
 --
--- <http://blog.sigfpe.com/2011/07/profunctors-in-haskell.html>
+-- <https://github.com/dpiponi/StableBlog/blob/main/Profunctors/Profunctors.pdf>
 --
 -- This module includes /unsafe/ composition operators that are useful in
 -- practice when it comes to generating optimal core in GHC.