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-rw-r--r--lib/uri/common.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/uri/common.rb b/lib/uri/common.rb
index 561b9ecb5b..e9b7ce9b0a 100644
--- a/lib/uri/common.rb
+++ b/lib/uri/common.rb
@@ -31,7 +31,7 @@ module URI
# mark = "-" | "_" | "." | "!" | "~" | "*" | "'" |
# "(" | ")"
# unreserved = alphanum | mark
- UNRESERVED = "-_.!~*'()#{ALNUM}"
+ UNRESERVED = "\\-_.!~*'()#{ALNUM}"
# reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |
# "$" | ","
# reserved = ";" | "/" | "?" | ":" | "@" | "&" | "=" | "+" |