This patch is taken from upstream.  It fixes a LaTeX test that is broken due
to using a Skylighting version greater than or equal to 0.8.1.1.

From 2cd1c7b30f200d18f1f1bdef1671369e1ad303ed Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Thu, 13 Jun 2019 19:33:52 -0700
Subject: [PATCH] Update test for skylighting 0.8.1.1.

---
 test/lhs-test.latex | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/test/lhs-test.latex b/test/lhs-test.latex
index 0442db5ca..a456995a3 100644
--- a/test/lhs-test.latex
+++ b/test/lhs-test.latex
@@ -94,9 +94,9 @@ return a single value:
 
 \begin{Shaded}
 \begin{Highlighting}[]
-\OtherTok{unsplit ::}\NormalTok{ (}\DataTypeTok{Arrow}\NormalTok{ a) }\OtherTok{=>}\NormalTok{ (b }\OtherTok{->}\NormalTok{ c }\OtherTok{->}\NormalTok{ d) }\OtherTok{->}\NormalTok{ a (b, c) d}
+\OtherTok{unsplit ::}\NormalTok{ (}\DataTypeTok{Arrow}\NormalTok{ a) }\OtherTok{=>}\NormalTok{ (b }\OtherTok{{-}>}\NormalTok{ c }\OtherTok{{-}>}\NormalTok{ d) }\OtherTok{{-}>}\NormalTok{ a (b, c) d}
 \NormalTok{unsplit }\OtherTok{=}\NormalTok{ arr }\OperatorTok{.} \FunctionTok{uncurry}
-          \CommentTok{-- arr (\textbackslash{}op (x,y) -> x `op` y)}
+          \CommentTok{{-}{-} arr (\textbackslash{}op (x,y) {-}> x \textasciigrave{}op\textasciigrave{} y)}
 \end{Highlighting}
 \end{Shaded}
 
-- 
2.23.0

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<div class='path'>path: <a href='/guix/log/?id=92bd81a96f4cac9d0fe628b82ffb1d127ad3e42f'>root</a>/<a href='/guix/log/gnu?id=92bd81a96f4cac9d0fe628b82ffb1d127ad3e42f'>gnu</a>/<a href='/guix/log/gnu/system?id=92bd81a96f4cac9d0fe628b82ffb1d127ad3e42f'>system</a>/<a href='/guix/log/gnu/system/pam.scm?id=92bd81a96f4cac9d0fe628b82ffb1d127ad3e42f'>pam.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/gnu/system/pam.scm?id=92bd81a96f4cac9d0fe628b82ffb1d127ad3e42f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-05-21 01:04:39 +0200'>2023-05-21</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=f52020ea99f59eae3537a22bb23305da90af310b'>system: pam: Change 'stop' method to return #f.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2023-05-11 13:21:45 +0200'>2023-05-11</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=2df5d4fd18a2fbcb8066a50e2da8ec64635f5162'>system: pam: Let PAM extensions add shepherd requirements.</a><span class='msg-avail'>...</span></td><td>Josselin Poiret</td></tr>
<tr><td><span title='2022-02-10 23:37:10 +0100'>2022-02-10</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=f172118ca43369af548af2d4edecb07890f917e8'>gnu: linux-pam: Change path to unix_chkpwd helper.</a><span class='msg-avail'>...</span></td><td>Andrew Tropin</td></tr>
<tr><td><span title='2022-01-01 15:10:12 +0100'>2022-01-01</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=671e6a81804f264ddcdd6fe7579644404da079b8'>system: Allow 'chfn' to change the user's full name.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-08-17 01:10:25 +0300'>2021-08-17</span></td><td><a href='/guix/commit/gnu/system/pam.scm?id=b948ab8b56ac238e7a774625b8f971d28aee6055'>services: slim: Add pam-gnupg support.</a><span class='msg-avail'>...</span></td><td>Oleg Pykhalov</td></tr>