From 1c0b9859061de48b3246a6b274cb33b506217e53 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@sbcglobal.net>
Date: Mon, 21 Mar 2016 02:18:01 -0400
Subject: pandoc.rb: better error handling

---
 pandoc.rb | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/pandoc.rb b/pandoc.rb
index a653978..9c12351 100644
--- a/pandoc.rb
+++ b/pandoc.rb
@@ -18,10 +18,15 @@ module Pandoc
 			str = str.read
 		end
 		json = ''
+		errors = ''
 		Open3::popen3(cmd) do |stdin, stdout, stderr|
 			stdin.puts(str)
 			stdin.close
 			json = stdout.read
+			errors = stderr.read
+		end
+		unless errors.empty?
+			raise errors
 		end
 		return Pandoc::AST::new(json)
 	end
@@ -38,12 +43,17 @@ module Pandoc
 		def to(format)
 			cmd = Pandoc::prog + " -f json -t " + format.to_s
 			output = ''
+			errors = ''
 			Open3::popen3(cmd) do |stdin, stdout, stderr|
 				stdin.puts @js.to_json
 				stdin.close
 				output = stdout.read
+				errors = stderr.read
+			end
+			unless errors.empty?
+				raise errors
 			end
-			output
+			return output
 		end
 
 		def self.js2sane(js)
-- 
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