merge revision(s) 25340:

	* lib/net/imap.rb (resp_text_code): accepts response codes without
	  text.  backported from trunk.  [ruby-core:24194]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8_7@25901 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 10 insertions, 5 deletions

diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index 6162ffa0d0..b42b0d1dea 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -2764,11 +2764,16 @@ module Net
           match(T_SPACE)
           result = ResponseCode.new(name, number)
         else
-          match(T_SPACE)
-          @lex_state = EXPR_CTEXT
-          token = match(T_TEXT)
-          @lex_state = EXPR_BEG
-          result = ResponseCode.new(name, token.value)
+          token = lookahead
+          if token.symbol == T_SPACE
+            shift_token
+            @lex_state = EXPR_CTEXT
+            token = match(T_TEXT)
+            @lex_state = EXPR_BEG
+            result = ResponseCode.new(name, token.value)
+          else
+            result = ResponseCode.new(name, nil)
+          end
         end
         match(T_RBRA)
         @lex_state = EXPR_RTEXT