From f6be6ace1fdadc6f02d5502957fdd2209e78d6bc Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Fri, 5 Apr 2019 17:32:19 -0400
Subject: [PATCH] docgen: allow urls to have numbers

---
 doc/docgen.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/docgen.zig b/doc/docgen.zig
index a34eb4b5b5..87d89f11d4 100644
--- a/doc/docgen.zig
+++ b/doc/docgen.zig
@@ -567,7 +567,7 @@ fn urlize(allocator: *mem.Allocator, input: []const u8) ![]u8 {
     var out = &buf_adapter.stream;
     for (input) |c| {
         switch (c) {
-            'a'...'z', 'A'...'Z', '_', '-' => {
+            'a'...'z', 'A'...'Z', '_', '-', '0'...'9' => {
                 try out.writeByte(c);
             },
             ' ' => {