[PATCH 2/6] viewdiff: escape '{' and '}' for regexp

[Eric Wong <e@80x24.org>]

Perl 5 doesn't warn on this, yet, but it warns on unescaped
'(' and ')' nowadays, so it's conceivable Perl could start
warning on this in the future.  So future-proof our code and
reduce reader confusion.
---
 lib/PublicInbox/ViewDiff.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/PublicInbox/ViewDiff.pm b/lib/PublicInbox/ViewDiff.pm
index 05acc242..f492b697 100644
--- a/lib/PublicInbox/ViewDiff.pm
+++ b/lib/PublicInbox/ViewDiff.pm
@@ -77,7 +77,7 @@ sub anchor0 ($$$$) {
 	# which works well in practice. If projects put "=>", or trailing
 	# spaces in filenames, oh well :P
 	$fn =~ s/$DIFFSTAT_COMMENT//;
-	$fn =~ s/{(?:.+) => (.+)}/$1/ or $fn =~ s/.* => (.+)/$1/;
+	$fn =~ s/\{(?:.+) => (.+)\}/$1/ or $fn =~ s/.* => (.+)/$1/;
 	$fn = git_unquote($fn);
 
 	# long filenames will require us to check in anchor1()