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-rw-r--r--lib/net/imap.rb6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/net/imap.rb b/lib/net/imap.rb
index 9d0ef02841..06690ddebc 100644
--- a/lib/net/imap.rb
+++ b/lib/net/imap.rb
@@ -1288,7 +1288,11 @@ module Net
str = ""
token = match(T_LBRA)
str.concat(token.value)
- token = match(T_ATOM, T_NUMBER)
+ token = match(T_ATOM, T_NUMBER, T_RBRA)
+ if token.symbol == T_RBRA
+ str.concat(token.value)
+ return str
+ end
str.concat(token.value)
token = lookahead
if token.symbol == T_SPACE