[PATCH] t/filter_rubylang.t: avoid warning for non-word prefix

[Eric Wong <e@yhbt.net>]

The "-" was never supported by Xapian in the prefix, but
it could still be used to make documentation and URLs more
readable in certain cases.

Fixes: 7909c5f7439777e3 ("altid: warn about non-word prefixes")
---
 t/filter_rubylang.t | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/t/filter_rubylang.t b/t/filter_rubylang.t
index 62b3affe..8215b6f1 100644
--- a/t/filter_rubylang.t
+++ b/t/filter_rubylang.t
@@ -27,7 +27,12 @@ SKIP: {
 	use_ok 'PublicInbox::Inbox';
 	my ($git_dir, $for_destroy) = tmpdir();
 	is(mkdir("$git_dir/public-inbox"), 1, "created public-inbox dir");
-	my $altid = [ "serial:ruby-core:file=msgmap.sqlite3" ];
+	my $altid = [
+		# 'serial:ruby-core:file=msgmap.sqlite3' can be used here
+		# for documentation purposes, but Xapian ignores everything
+		# up to and including the '-'
+		'serial:core:file=msgmap.sqlite3'
+	];
 	my $ibx = PublicInbox::Inbox->new({ inboxdir => $git_dir,
 						altid => $altid });
 	$f = PublicInbox::Filter::RubyLang->new(-inbox => $ibx);