Somehow, Aspell 0.60.6.1 and aspell-dict-en-2016.11.20-0 don't consider
this a valid spelling.  Skip it.

TODO: Migrate to using hunspell. According to upstream, this bug won't be fixed.
See https://bugzilla.gnome.org/show_bug.cgi?id=772406.
--- a/testsuite/test-checker.c	2017-03-24 09:50:50.000000000 -0400
+++ b/testsuite/test-checker.c	2017-06-15 21:47:07.116173895 -0400
@@ -105,10 +105,11 @@
 	 * be considered deprecated, it is better to use hunspell, so WONTFIX.
 	 * For more details, see:
 	 * https://bugzilla.gnome.org/show_bug.cgi?id=772406
+	 *
+	 * correctly_spelled = gspell_checker_check_word (checker, "spell-checking", -1, &error);
+	 * g_assert_no_error (error);
+	 * g_assert (correctly_spelled);
 	 */
-	correctly_spelled = gspell_checker_check_word (checker, "spell-checking", -1, &error);
-	g_assert_no_error (error);
-	g_assert (correctly_spelled);
 
 	correctly_spelled = gspell_checker_check_word (checker, "nrst-auie", -1, &error);
 	g_assert_no_error (error);

<tr><td class='sub'>Wojtek's customized Guix</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/guix/about/'>about</a><a href='/guix/'>summary</a><a href='/guix/refs/?id=aaafd19bd1e37265de07e246286a6819792c25b4'>refs</a><a class='active' href='/guix/log/etc/historical-authorizations?showmsg=1'>log</a><a href='/guix/tree/etc/historical-authorizations?id=aaafd19bd1e37265de07e246286a6819792c25b4'>tree</a><a href='/guix/commit/etc/historical-authorizations?id=aaafd19bd1e37265de07e246286a6819792c25b4'>commit</a><a href='/guix/diff/etc/historical-authorizations?id=aaafd19bd1e37265de07e246286a6819792c25b4'>diff</a></td><td class='form'><form class='right' method='get' action='/guix/log/etc/historical-authorizations'>
<input type='hidden' name='id' value='aaafd19bd1e37265de07e246286a6819792c25b4'/><input type='hidden' name='showmsg' value='1'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
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<div class='path'>path: <a href='/guix/log/?id=aaafd19bd1e37265de07e246286a6819792c25b4&amp;showmsg=1'>root</a>/<a href='/guix/log/etc?id=aaafd19bd1e37265de07e246286a6819792c25b4&amp;showmsg=1'>etc</a>/<a href='/guix/log/etc/historical-authorizations?id=aaafd19bd1e37265de07e246286a6819792c25b4&amp;showmsg=1'>historical-authorizations</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/historical-authorizations?id=aaafd19bd1e37265de07e246286a6819792c25b4'>Collapse</a>)</th><th class='left'>Author</th></tr>
<tr class='logheader'><td><span title='2020-07-11 11:51:56 +0200'>2020-07-11</span></td><td class='logsubject'><a href='/guix/commit/etc/historical-authorizations?id=4b9b8b2ec23e59af2275a6d2829e6e0f915b44b3'>Add 'etc/historical-authorizations'.</a></td><td>Ludovic Courtès</td></tr>
<tr class='nohover-highlight'><td/><td colspan='3' class='logmsg'>
* etc/historical-authorizations: New file.  Data extracted from
'build-aux/git-authenticate.scm'.
* Makefile.am (EXTRA_DIST): Add it.


</td></tr>