From 8431e7d20fb12aa05da0836ebc07cf6af80786c8 Mon Sep 17 00:00:00 2001
From: Yihui Xie <xie@yihui.name>
Date: Mon, 8 Apr 2013 02:53:37 -0500
Subject: [PATCH] when there is only one field in config, should drop(cfg) to
 make it a vector

---
 R/pandoc.R | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/R/pandoc.R b/R/pandoc.R
index b4201f616b..0e743987e6 100644
--- a/R/pandoc.R
+++ b/R/pandoc.R
@@ -38,7 +38,7 @@ pandoc = function(input, format = 'html', config = getOption('config.pandoc')) {
   cfg = read.dcf(con)
   if (nrow(cfg) == 0L) cfg = character(0) else if (nrow(cfg) == 1L) {
     if ('format' %in% colnames(cfg)) {
-      if (cfg[1L, 'format'] != format) cfg = NA
+      cfg = if (cfg[1L, 'format'] == format) drop(cfg) else NA
     } else {cmn = drop(cfg); cfg = NA}
   } else {
     if (!('format' %in% colnames(cfg)))