--- a/Test/E01options.ztst	2023-03-30 21:34:12.372309112 +0200
+++ b/Test/E01options.ztst	2023-03-30 21:34:33.212335339 +0200
@@ -649,7 +649,7 @@
 >noktarg1
 >0 1
 
-  showopt() { setopt | egrep 'localoptions|ksharrays'; }
+  showopt() { setopt | grep -E 'localoptions|ksharrays'; }
   f1() { setopt localoptions ksharrays; showopt }
   f2() { setopt ksharrays; showopt }
   setopt kshoptionprint
ader'>
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tr><td><span title='2016-11-03 15:44:49 +0100'>2016-11-03</span></td><td><a href='/guix/commit/build-aux/run-system-tests.scm?id=6cb02e6e005f5759dcb9a5106e7da09009f65790'>tests: 'make check-system' prints the "build trace".</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>
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<tr><td><span title='2016-05-04 23:56:42 +0200'>2016-05-04</span></td><td><a href='/guix/commit/build-aux/run-system-tests.scm?id=41c569d9b9c47ce8f2fb280f24c0a6d4e76f8bc7'>build: Add 'run-system-tests.scm'.</a><span class='msg-avail'>...</span></td><td>Ludovic Courtès</td></tr>