[FIX] svn_xml_parser: work around a bug in rexml bailing out on empty input strings.

In fact, rexml bails out on strings of length < 2, so catch these.

Michael

Author: obnoxxx

lib/scm/parsers/svn_xml_parser.rb

@@ -47,6 +47,7 @@ def text(text)
 
 	class SvnXmlParser < Parser
 		def self.internal_parse(buffer, opts)
+			buffer = '<?xml?>' if buffer.is_a?(StringIO) and buffer.length < 2
 			begin
 				REXML::Document.parse_stream(buffer, SubversionListener.new(Proc.new { |c| yield c if block_given? }))
 			rescue EOFError