sup.rb in sup-0.20.0

- old
+ new

@@ -6,10 +6,11 @@
 require 'thread'
 require 'fileutils'
 require 'locale'
 require 'ncursesw'
 require 'rmail'
+require 'uri'
 begin
   require 'fastthread'
 rescue LoadError
 end
 
@@ -62,9 +63,10 @@
 
   YAML_DOMAIN = "supmua.org"
   LEGACY_YAML_DOMAIN = "masanjin.net"
   YAML_DATE = "2006-10-01"
   MAILDIR_SYNC_CHECK_SKIPPED = 'SKIPPED'
+  URI_ENCODE_CHARS = "!*'();:@&=+$,?#[] " # see https://en.wikipedia.org/wiki/Percent-encoding
 
   ## record exceptions thrown in threads nicely
   @exceptions = []
   @exception_mutex = Mutex.new
 