+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?= =?ISO-2022-JP?B?GyRCJCQbKEI=?=
+ <akr@jaist.ac.jp>"
+"From: \e$B$"$$\e(B <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=
+ =?ISO-2022-JP?B?GyRCJCQbKEI=?=
+ <akr@jaist.ac.jp>"
+"From: \e$B$"$$\e(B <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=
+ =?ISO-2022-JP?B?GyRCJCQbKEI=?=
+ <akr@jaist.ac.jp>"
+"From: \e$B$"$$\e(B <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?= \"ja \\\"a\\\"\" <akr@jaist.ac.jp>"
+"From: \e$B$"\e(B \"ja \\\"a\\\"\" <akr@jaist.ac.jp>")
+
+(decode
+"From: akr@jaist.ac.jp (=?ISO-2022-JP?B?GyRCJCIbKEI=?=
+ =?ISO-2022-JP?B?GyhC?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=
+ =?ISO-2022-JP?B?GyhC?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)"
+"From: akr@jaist.ac.jp (\e$B$"\e(B(\e$B$$\e(B)\e$B$&\e(B)")
+
+(decode
+"From: a=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
+"From: a=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=b <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=b <akr@jaist.ac.jp>")
+
+(decode
+"From: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=b <akr@jaist.ac.jp>"
+"From: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=b <akr@jaist.ac.jp>")
+
+(decode
+"From: \"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\" <akr@jaist.ac.jp>"
+"From: \"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\" <akr@jaist.ac.jp>")
+
+(decode
+"From: \"\\\"\\\\\" =?ISO-2022-JP?B?GyRCJCIbKEI=?= \"\\\"\\\\\" <akr@jaist.ac.jp>"
+"From: \"\\\"\\\\\" \e$B$"\e(B \"\\\"\\\\\" <akr@jaist.ac.jp>")
+
+(decode
+"From: < =?ISO-2022-JP?B?GyRCJCIbKEI=?= @jaist.ac.jp>"
+"From: < =?ISO-2022-JP?B?GyRCJCIbKEI=?= @jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?Q?=1B=24BAA=1B=28B?= <akr@jaist.ac.jp>"
+"From: \e$BAA\e(B <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?Q?=1B$BAA=1B(B?= ) <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?Q?=1B$BAA=1B(B?= ) <akr@jaist.ac.jp>")
+
+(decode
+"From: (=?US-ASCII?Q?(?=)foo@bar.baz(=?US-ASCII?Q?))baz@bar.foo(?=)"
+"From: (=?US-ASCII?Q?(?=)foo@bar.baz(=?US-ASCII?Q?))baz@bar.foo(?=)")
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEIoGyRCJCIbKEIp?= <akr@jaist.ac.jp>"
+"From: \"\e$B$"\e(B(\e$B$"\e(B)\" <akr@jaist.ac.jp>")
+
+(decode
+"From: =?US-ASCII?Q?=28?= <akr@jaist.ac.jp>, =?US-ASCII?Q?=29?= <akr@jaist.ac.jp>"
+"From: \"(\" <akr@jaist.ac.jp>, \")\" <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?B?YSJiGyRCJCIbKEJjXA==?= <akr@jaist.ac.jp>"
+"From: \"a\\\"b\e$B$"\e(Bc\\\\\" <akr@jaist.ac.jp>")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: \e$B$"\e(B")
+
+(decode
+"Subject: a=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=b"
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=b")
+
+(decode
+"Subject: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=b"
+"Subject: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=b")
+
+(decode
+"Subject: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b)"
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b)")
+
+(decode
+"Subject: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b)"
+"Subject: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b)")
+
+(decode
+"Subject: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\""
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\"")
+
+(decode
+"Subject: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\""
+"Subject: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\"")
+
+(decode
+"Subject: (Re: =?ISO-2022-JP?B?GyRCJCIbKEI=?=)"
+"Subject: (Re: =?ISO-2022-JP?B?GyRCJCIbKEI=?=)")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:"
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:")
+
+(decode
+"Subject: =?ISO-2022-JP?B??="
+"Subject: =?ISO-2022-JP?B??=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?= a
+ =?ISO-2022-JP?B?GyRCJCQbKEI=?="
+"Subject: \e$B$"\e(B a \e$B$$\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCMCQbKEIgICAgICAgICAgICAgICAgICAgICAgICAgICAg?=
+ =?US-ASCII?Q?____________________________________________________________?=
+ =?ISO-2022-JP?B?ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIBskQlJfGyhC?="
+"Subject: \e$B0$\e(B \e$BR_\e(B")
+
+(decode
+"From: =?ISO-8859-1?Q?abcdefghijklmnopqrst=A1=28=29=22=5C?= <akr@jaist.ac.jp>"
+"From: \"abcdefghijklmnopqrst\e.A\eN!()\\\"\\\\\" <akr@jaist.ac.jp>")\e*B
+
+(decode
+"Subject: ?= =?"
+"Subject: ?= =?")
+
+(decode
+"Subject: \" =?ISO-2022-JP?B?GyRCJCIbKEI=?= \""
+"Subject: \" \e$B$"\e(B \"")
+
+(decode
+"From: \"\\\\\" =?ISO-2022-JP?B?GyRCJCIbKEI=?= \"\" <akr@jaist.ac.jp>"
+"From: \"\\\\\" \e$B$"\e(B \"\" <akr@jaist.ac.jp>")
+
+(decode
+"Subject: =?ISO-2022-JP?Q?=1B$B$\"=1B(B_=1B$B$\"=1B(B?="
+"Subject: \e$B$"\e(B \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP?Q?=1B$B$\"=1B(B =1B$B$\"=1B(B?="
+"Subject: =?ISO-2022-JP?Q?=1B$B$\"=1B(B =1B$B$\"=1B(B?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?= a =?ISO-8859-8?Q?=E0?="
+"Subject: \e$B$"\e(B a \e.H\eN`")\e*B
+
+(decode
+"Subject: =?ISO-8859-8?Q?=E0?= =?ISO-2022-JP?B?GyRCTm0bKEI=?="
+"Subject: \e.H\eN`\e$BNm\e(B")\e*B
+
+(decode
+"Subject: =?ISO-8859-8?Q?=E0_?= =?ISO-2022-JP?B?GyRCTm0bKEI=?="
+"Subject: \e.H\eN` \e$BNm\e(B")\e*B
+
+(decode
+"Subject: =?ISO-2022-JP-2?B?Gy5GG05DGyRCNFg/dBsoQg==?="
+"Subject: \e.F\eNC\e$B4X?t\e(B")\e*B
+
+(decode
+"Subject: =?ISO-8859-7?Q?=C3?= =?ISO-2022-JP?B?GyRCNFg/dBsoQg==?="
+"Subject: \e.F\eNC\e$B4X?t\e(B")\e*B
+
+(decode
+"Subject: =?Shift_JIS?B?gqA=?="
+"Subject: \e$B$"\e(B"
+'quoted-encoded-word)
+
+(decode
+"Subject: =?EUC-JP?B?pKI=?="
+"Subject: \e$B$"\e(B"
+'quoted-encoded-word)
+
+(decode
+"Subject: = =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: = \e$B$"\e(B")
+
+(decode
+"Subject: =? =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =? \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP? =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP? \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP?B =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP?B? =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B? \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI= =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI= \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=? =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=? \e$B$"\e(B")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?= =?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: \e$B$"$"\e(B")
+
+(decode
+"Subject: ==?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: ==?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?==")
+
+(decode
+"From: akr@jaist.ac.jp (\\=?ISO-2022-JP?B?GyRCJCIbKEI=?=)"
+"From: akr@jaist.ac.jp (\\=?ISO-2022-JP?B?GyRCJCIbKEI=?=)")
+
+(decode
+"=?ISO-2022-JP?B?GyRCJCIbKEI=?=: test"
+"=?ISO-2022-JP?B?GyRCJCIbKEI=?=: test")
+
+(decode
+"=?ISO-2022-JP?B?GyRCJCIbKEI=?=: test"
+"=?ISO-2022-JP?B?GyRCJCIbKEI=?=: test"
+'permit-sticked-special)
+
+;;; Section 3: Decoding melancholic inputs.
+
+(decode
+"From:=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
+"From:=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
+
+(decode
+"From: akr@jaist.ac.jp
+ (=?ISO-2022-JP?B?GyRCJCIbKEI=?=\\a=?ISO-2022-JP?B?GyRCJCQbKEI=?=)"
+"From: akr@jaist.ac.jp (\e$B$"\e(B\\a\e$B$$\e(B)")
+
+(decode
+"From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
+"From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>")
+
+(decode
+"From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>"
+"From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>")
+
+(decode
+"From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
+"From: (a)\e$B$"\e(B <akr@jaist.ac.jp>"
+'permit-sticked-comment)
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>"
+"From: \e$B$"\e(B(b) <akr@jaist.ac.jp>"
+'permit-sticked-comment)
+
+(decode
+"From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>"
+"From: (a)\e$B$"\e(B(b) <akr@jaist.ac.jp>"
+'permit-sticked-comment)
+
+(decode
+"From: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
+"From: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\" <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\" <akr@jaist.ac.jp>")
+
+(decode
+"From: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\" <akr@jaist.ac.jp>"
+"From: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\" <akr@jaist.ac.jp>")
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCIbKEI=?=)
+ <akr@jaist.ac.jp>"
+"From: \e$B$"\e(B(\e$B$"\e(B) <akr@jaist.ac.jp>"
+'permit-sticked-comment)
+
+(decode
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>")
+
+(decode
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
+"To: \e$B$"\e(B<akr@jaist.ac.jp>"
+'permit-sticked-special)
+
+(decode
+"To: <akr@jaist.ac.jp>,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
+"To: <akr@jaist.ac.jp>,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>")
+
+(decode
+"To: <akr@jaist.ac.jp>,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
+"To: <akr@jaist.ac.jp>,\e$B$"\e(B<akr@jaist.ac.jp>"
+'permit-sticked-special)
+
+(decode
+"To: akr@jaist.ac.jp,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
+"To: akr@jaist.ac.jp,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>")
+
+(decode
+"To: akr@jaist.ac.jp,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
+"To: akr@jaist.ac.jp,\e$B$"\e(B<akr@jaist.ac.jp>"
+'permit-sticked-special)
+
+(decode
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:akr@jaist.ac.jp;"
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:akr@jaist.ac.jp;")
+
+(decode
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:akr@jaist.ac.jp;"
+"To: \e$B$"\e(B:akr@jaist.ac.jp;"
+'permit-sticked-special)
+
+(decode
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<akr@jaist.ac.jp>;"
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<akr@jaist.ac.jp>;")
+
+(decode
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<akr@jaist.ac.jp>;"
+"To: \e$B$"\e(B:\e$B$$\e(B<akr@jaist.ac.jp>;"
+'ignore-76bytes-limit 'permit-sticked-special)
+
+(decode
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<foo@bar>,=?ISO-2022-JP?B?GyRCJCYbKEI=?=<foo@bar>;,=?ISO-2022-JP?B?GyRCJCgbKEI=?=<foo@bar>"
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<foo@bar>,=?ISO-2022-JP?B?GyRCJCYbKEI=?=<foo@bar>;,=?ISO-2022-JP?B?GyRCJCgbKEI=?=<foo@bar>")
+
+(decode
+"To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<foo@bar>,=?ISO-2022-JP?B?GyRCJCYbKEI=?=<foo@bar>;,=?ISO-2022-JP?B?GyRCJCgbKEI=?=<foo@bar>"
+"To: \e$B$"\e(B:\e$B$$\e(B<foo@bar>,\e$B$&\e(B<foo@bar>;,\e$B$(\e(B<foo@bar>"
+'ignore-76bytes-limit 'permit-sticked-special)
+
+(decode
+"Subject:=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject:=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject:=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject:\e$B$"\e(B"
+'permit-sticked-special)
+
+;;; Section 4: Decoding invalid inputs.
+
+(decode
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?==?ISO-2022-JP?B?GyRCJCQbKEI=?=
+ <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?==?ISO-2022-JP?B?GyRCJCQbKEI=?= <akr@jaist.ac.jp>")
+
+(decode
+"From: akr@jaist.ac.jp
+ (=?ISO-2022-JP?B?GyRCJCIbKEI=?=a=?ISO-2022-JP?B?GyRCJCQbKEI=?=)"
+"From: akr@jaist.ac.jp (=?ISO-2022-JP?B?GyRCJCIbKEI=?=a=?ISO-2022-JP?B?GyRCJCQbKEI=?=)")
+
+(decode
+"From: akr@jaist.ac.jp
+ (=?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)"
+"From: akr@jaist.ac.jp (=?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)")
+
+(decode
+"From: akr@jaist.ac.jp
+ (=?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)"
+"From: akr@jaist.ac.jp (\e$B$"\e(B(\e$B$$\e(B)\e$B$&\e(B)"
+'ignore-76bytes-limit)
+
+(decode
+"Subject: =?=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B?=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI==?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI==?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?==?ISO-2022-JP?B?GyRCJCIbKEI=?="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?==?ISO-2022-JP?B?GyRCJCIbKEI=?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI?="
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI?=")
+
+(decode
+"Subject: =?ISO-2022-JP?B?GyRCNFg-dBsoQg==?="
+"Subject: =?ISO-2022-JP?B?GyRCNFg-dBsoQg==?=")
+
+;;; Section 5: Encoding proper inputs.
+
+(encode
+"From: \e$B$"\e(B <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
+
+(encode
+"From: \e$B$"$$\e(B <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?GyRCJCIkJBsoQg==?= <akr@jaist.ac.jp>")
+
+(encode
+"From: \e$B$"\e(B \e$B$$\e(B <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?GyRCJCIbKEIgGyRCJCQbKEI=?= <akr@jaist.ac.jp>")
+
+(encode
+"From: \e.A\eN! \eN! <akr@jaist.ac.jp>"\e*B
+"From: =?ISO-8859-1?Q?=A1_=A1?= <akr@jaist.ac.jp>")
+
+(encode
+"From: \"\e$B$"\e(B(\e$B$"\e(B)\" <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?GyRCJCIbKEIoGyRCJCIbKEIp?= <akr@jaist.ac.jp>")
+
+(encode
+"From: \"a\\\"b\e$B$"\e(Bc\\\\\" <akr@jaist.ac.jp>"
+"From: =?ISO-2022-JP?B?YSJiGyRCJCIbKEJjXA==?= <akr@jaist.ac.jp>")
+
+(encode
+"Subject: \e$B0$\e(B \e$BR_\e(B"
+"Subject: =?ISO-2022-JP?B?GyRCMCQbKEIgICAgICAgICAgICAgICAgICAgICAgICAgICAg?=
+ =?US-ASCII?Q?____________________________________________________________?=
+ =?ISO-2022-JP?B?ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIBskQlJfGyhC?=")
+
+(encode
+"Subject: \e$B0$\e(B \e$BR_\e(B"
+"Subject: =?ISO-2022-JP?B?GyQpQrCkICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICDS3w=="
+'ignore-76bytes-limit 'ignore-75bytes-limit)
+
+(encode
+"From: \e.A\eN! <akr@jaist.ac.jp>"\e*B
+"From: =?ISO-8859-1?Q?=A1?= <akr@jaist.ac.jp>")
+
+(encode
+"From: \"abcdefghijklmnopqrst\e.A\eN!()\\\"\\\\\" <akr@jaist.ac.jp>"\e*B
+"From: =?ISO-8859-1?Q?abcdefghijklmnopqrst=A1=28=29=22=5C?= <akr@jaist.ac.jp>")
+
+(encode
+"From: akr@jaist.ac.jp (abcdefghijklmnopqrst\e.A\eN!\\(\\)\"\\\\)"\e*B
+"From: akr@jaist.ac.jp (=?ISO-8859-1?Q?abcdefghijklmnopqrst=A1=28=29\"=5C?=)")
+
+(encode
+"Subject: \e$B$"\e(B a \e.H\eN`"\e*B
+"Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?= a =?ISO-8859-8?Q?=E0?=")
+
+(encode
+"Subject: \e.H\eN`\e$BNm\e(B"\e*B
+"Subject: =?ISO-8859-8?Q?=E0?= =?ISO-2022-JP?B?GyRCTm0bKEI=?=")
+
+(encode
+"Subject: \e.H\eN` \e$BNm\e(B"\e*B
+'("Subject: =?ISO-8859-8?Q?=E0_?= =?ISO-2022-JP?B?GyRCTm0bKEI=?="
+ "Subject: =?ISO-8859-8?Q?=E0?= =?ISO-2022-JP?B?IBskQk5tGyhC?="))
+
+(encode
+"Subject: \e.F\eNC\e$B4X?t\e(B"\e*B
+'("Subject: =?ISO-8859-7?Q?=C3?= =?ISO-2022-JP?B?GyRCNFg/dBsoQg==?="
+ "Subject: =?ISO-2022-JP-2?B?Gy5GG05DGyRCNFg/dBsoQg==?="))
+
+(encode
+"From: aaaaaaaaaaaaaaaaaaaaa(\e$B$"$$\e(B)aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"
+"From: aaaaaaaaaaaaaaaaaaaaa(=?ISO-2022-JP?B?GyRCJCIbKEI=?=
+ =?ISO-2022-JP?B?GyRCJCQbKEI=?=)aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>")
+
+(encode
+"From: aaaaaaaaaaaaaaaaaaaaa (\e$B$"$$\e(B)aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"
+'("From: aaaaaaaaaaaaaaaaaaaaa
+ (=?ISO-2022-JP?B?GyRCJCIkJBsoQg==?=)aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"
+ "From: aaaaaaaaaaaaaaaaaaaaa (=?ISO-2022-JP?B?GyRCJCIbKEI=?=
+ =?ISO-2022-JP?B?GyRCJCQbKEI=?=)aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"))
+
+(encode
+"From: aaaaaaaaaaaaaaaaaaaaa( \e$B$"$$\e(B)aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"
+'("From: aaaaaaaaaaaaaaaaaaaaa(
+ =?ISO-2022-JP?B?GyRCJCIkJBsoQg==?=)aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"
+ "From: aaaaaaaaaaaaaaaaaaaaa( =?ISO-2022-JP?B?GyRCJCIbKEI=?=
+ =?ISO-2022-JP?B?GyRCJCQbKEI=?=)aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"))
+
+(encode
+"From: aaaaaaaaaaaaaaaaaaaaa(\e$B$"$$\e(B )aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"
+'("From: aaaaaaaaaaaaaaaaaaaaa(=?ISO-2022-JP?B?GyRCJCIkJBsoQg==?=
+ )aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"
+ "From: aaaaaaaaaaaaaaaaaaaaa(=?ISO-2022-JP?B?GyRCJCIbKEI=?=
+ =?ISO-2022-JP?B?GyRCJCQbKEI=?= )aaaaaaaaaaaaaaaaaaaa <akr@jaist.ac.jp>"))