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

daemon.in?id=b6a1cc89d4d01ee9272a8046985bb1ff9b15eb3a'>commit</a><a href='/guix/diff/etc/openrc/guix-daemon.in?id=b6a1cc89d4d01ee9272a8046985bb1ff9b15eb3a'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/openrc/guix-daemon.in'>
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<div class='path'>path: <a href='/guix/log/?id=b6a1cc89d4d01ee9272a8046985bb1ff9b15eb3a'>root</a>/<a href='/guix/log/etc?id=b6a1cc89d4d01ee9272a8046985bb1ff9b15eb3a'>etc</a>/<a href='/guix/log/etc/openrc?id=b6a1cc89d4d01ee9272a8046985bb1ff9b15eb3a'>openrc</a>/<a href='/guix/log/etc/openrc/guix-daemon.in?id=b6a1cc89d4d01ee9272a8046985bb1ff9b15eb3a'>guix-daemon.in</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/etc/openrc/guix-daemon.in?id=b6a1cc89d4d01ee9272a8046985bb1ff9b15eb3a&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2021-07-07 23:54:20 -0400'>2021-07-07</span></td><td><a href='/guix/commit/etc/openrc/guix-daemon.in?id=4cbe0127a668cbcc64087c5d311308b59d39b104'>guix-install.sh: Prompt for configuring substitutes discovery.</a><span class='msg-avail'>...<span class='msg-tooltip'>Also ensure prompt_yes_no always print the message with a trailing space,
which is more pleasing to the eye.

* etc/guix-daemon.conf.in &lt;--discover=no&gt;: New guix-daemon option.
* etc/guix-daemon.service.in: Likewise.
* etc/init.d/guix-daemon.in: Likewise.
* etc/openrc/guix-daemon.in: Likewise.
* etc/guix-install.sh (configure_substitute_discovery): New procedure.
(sys_enable_guix_daemon): Ask the user whether automatic substitute discovery
should be enabled.  Set the '--discover' argument accordingly.
(prompt_yes_no): Add a trailing space to the message.
(sys_authorize_build_farms): Remove trailing space from the message argument.
* NEWS (Distribution): Add news.
</span></span></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2020-09-17 14:10:42 +0200'>2020-09-17</span></td><td><a href='/guix/commit/etc/openrc/guix-daemon.in?id=cabac732deffafc796537658a6c33c6c4aec821e'>guix-install.sh: Support OpenRC.</a><span class='msg-avail'>...<span class='msg-tooltip'>* etc/guix-install.sh (chk_init_sys): Detect OpenRC.
(sys_enable_guix_daemon): Install &amp; enable the Guix daemon on such
systems.
* etc/openrc/guix-daemon.in: New file.
* nix/local.mk: Add a rule for it.
(openrcservicedir, nodist_openrcservice_DATA): New variables.
(CLEANFILES, EXTRA_DIST): Add them.
* .gitignore: Ignore etc/openrc/guix-daemon.

Signed-off-by: Tobias Geerinckx-Rice &lt;me@tobias.gr&gt;
</span></span></td><td>Morgan Smith</td></tr>