From c86f914e2fe21db708d5c17c62df657f66628cbd Mon Sep 17 00:00:00 2001
From: David Thompson <dthompson2@worcester.edu>
Date: Sun, 15 Feb 2015 13:55:01 -0500
Subject: [PATCH] webvtt: Fix WebVTT timestamps.

* srt2vtt/webvtt.scm (write-time): Format time components with correct
  number of digits.
---
 srt2vtt/webvtt.scm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/srt2vtt/webvtt.scm b/srt2vtt/webvtt.scm
index f4cd91b..046a5e7 100644
--- a/srt2vtt/webvtt.scm
+++ b/srt2vtt/webvtt.scm
@@ -27,7 +27,7 @@
   "Write TIME as a WebVTT formatted timestamp to PORT."
   (match time
    ((h m s ms)
-    (format port "~a:~a:~a.~a" h m s ms))))
+    (format port "~2,'0d:~2,'0d:~2,'0d.~3,'0d" h m s ms))))
 
 (define (write-webvtt subtitle port)
   "Write SUBTITLE as a WebVTT formatted subtitle to PORT."
-- 
2.31.1