From efe48b5c8eb811e0764808428415d6e08fa8ed39 Mon Sep 17 00:00:00 2001
From: June McEnroe <june@causal.agency>
Date: Tue, 16 Feb 2021 20:03:35 -0500
Subject: Add missing %U for RFCs in bibsort

---
 bin/bibsort.pl     | 6 ++++--
 bin/man1/bibsort.1 | 7 +++++--
 2 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/bin/bibsort.pl b/bin/bibsort.pl
index f87f066f..89133c87 100644
--- a/bin/bibsort.pl
+++ b/bin/bibsort.pl
@@ -32,11 +32,13 @@ sub byLast {
 foreach $ref (@refs) {
 	@{$ref->{A}} = sort byLast @{$ref->{A}};
 	@{$ref->{Q}} = sort @{$ref->{Q}} if $ref->{Q};
-	next unless $ref->{N};
-	if ($ref->{N}[0] =~ /RFC/) {
+	if ($ref->{N} && $ref->{N}[0] =~ /RFC/) {
 		$ref->{R} = $ref->{N};
 		delete $ref->{N};
 	}
+	if ($ref->{R} && $ref->{R}[0] =~ /RFC (\d+)/ && !$ref->{U}) {
+		$ref->{U} = ["https://tools.ietf.org/html/rfc${1}"];
+	}
 }
 
 sub byAuthor {
diff --git a/bin/man1/bibsort.1 b/bin/man1/bibsort.1
index 9d036920..07ed91ef 100644
--- a/bin/man1/bibsort.1
+++ b/bin/man1/bibsort.1
@@ -1,4 +1,4 @@
-.Dd December 15, 2020
+.Dd February 16, 2021
 .Dt BIBSORT 1
 .Os
 .
@@ -31,7 +31,10 @@ Additionally,
 macros referencing RFC numbers
 are rewritten to
 .Ic \&%R
-macros.
+macros
+and missing
+.Ic \&%U
+macros are added for RFCs.
 .
 .Sh EXAMPLES
 .Dl :%!bibsort
-- 
cgit 1.4.1