[PATCH] maint: avoid unportable ERE \}

[Paul Eggert]

* top/maint.mk (sc_copyright_check):
Avoid unportable use of \} in ERE.
---
 ChangeLog    | 4 ++++
 top/maint.mk | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index de864c1636..5f70a80926 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2022-09-11  Paul Eggert  <eggert@cs.ucla.edu>
 
+       maint: avoid unportable ERE \}
+       * top/maint.mk (sc_copyright_check):
+       Avoid unportable use of \} in ERE.
+
        verify: improve maint check
        * top/maint.mk (sc_prohibit_verify_without_use):
        Adjust re to match verify.h.
diff --git a/top/maint.mk b/top/maint.mk
index 41a67e852c..495a0a2bf6 100644
--- a/top/maint.mk
+++ b/top/maint.mk
@@ -1292,7 +1292,7 @@ sc_copyright_check:
        in_vc_files=$(sample-test)                                      \
        halt='out of date copyright in $(sample-test); update it'       \
          $(_sc_search_regexp)
-       @require='Copyright @copyright\{\} .*'$$(date +%Y)              \
+       @require='Copyright @copyright\{} .*'$$(date +%Y)               \
        in_vc_files=$(texi)                                             \
        halt='out of date copyright in $(texi); update it'              \
          $(_sc_search_regexp)
-- 
2.37.2