TESTPAT

   1 ;----------------------------------------------------------------------------
   2 ;-------- This sequece of HYPHEN-MINUS is 76 bytes long. --------------------
   3 ;----------------------------------------------------------------------------
   4
   5 ; options:
   6 ;encode-sticked-comment-as-atom         ; violate policy preventing structure
   7 ;ignore-75bytes-limit                   ; violate RFC2047
   8 ;ignore-76bytes-limit                   ; violate RFC2047
   9 ;permit-sticked-comment                 ; violate RFC2047
  10 ;permit-sticked-special                 ; violate RFC2047
  11 ;separate-sticked-comment               ; violate policy preserving absence of space
  12 ;separate-sticked-special               ; violate policy preserving absence of space
  13 ;zero-characters-encoded-word-hack      ; violate common sense (very tricky)
  14 ;quoted-encoded-word                    ; violate character sequence semantics
  15
  16 ;;; test driver for FLAM (and FLIM)
  17
  18 (defun decode-flam (src dsts &rest opts)
  19   (setq eword-lexical-analyze-cache nil)
  20   (setq eword-decode-sticked-encoded-word
  21     (or (memq 'permit-sticked-comment opts)
  22         (memq 'permit-sticked-special opts)))
  23   (setq eword-decode-quoted-encoded-word nil)
  24   (with-temp-buffer
  25     (insert src "\n" mail-header-separator)
  26     (eword-decode-header 'us-ascii mail-header-separator)
  27     (goto-char (point-min))
  28     (std11-narrow-to-header mail-header-separator)
  29     (std11-field-end)
  30     (let ((result (buffer-substring (point-min) (point))))
  31       (if (member result dsts) t result))))
  32
  33 (defun encode-flam (src dsts &rest opts)
  34   (setq eword-lexical-analyze-cache nil)
  35   (setq eword-decode-sticked-encoded-word nil)
  36   (setq eword-decode-quoted-encoded-word nil)
  37   (with-temp-buffer
  38     (insert src "\n" mail-header-separator)
  39     (goto-char (point-min))
  40     (eword-encode-header 'us-ascii)
  41     (goto-char (point-min))
  42     (std11-narrow-to-header mail-header-separator)
  43     (std11-field-end)
  44     (let ((result (buffer-substring (point-min) (point))))
  45       (if (member result dsts) t result))))
  46
  47 (setq decode-test 'decode-flam)
  48 (setq encode-test 'encode-flam)
  49
  50 (setq decode-succ-count 0)
  51 (setq decode-all-count 0)
  52 (defun decode (src dsts &rest opts)
  53   (if (stringp dsts) (setq dsts (list dsts)))
  54   (setq decode-all-count (1+ decode-all-count))
  55   (let ((res (condition-case nil
  56                (apply decode-test src dsts opts)
  57                (error nil))))
  58     (if (eq res t)
  59       (setq decode-succ-count (1+ decode-succ-count))
  60       (insert (format "\n;fail;%S" res)))
  61     res))
  62
  63 (setq encode-succ-count 0)
  64 (setq encode-all-count 0)
  65 (defun encode (src dsts &rest opts)
  66   (if (stringp dsts) (setq dsts (list dsts)))
  67   (setq encode-all-count (1+ decode-all-count))
  68   (let ((res (condition-case nil
  69                (apply encode-test src dsts opts)
  70                (error nil))))
  71     (if (eq res t)
  72       (setq encode-succ-count (1+ encode-succ-count))
  73       (insert (format "\n;fail;%S" res)))
  74     res))
  75
  76 (defun report ()
  77   (insert
  78     (format "\n\"Decode: %d/%d  Encode: %d/%d\""
  79       decode-succ-count decode-all-count
  80       encode-succ-count encode-all-count)))
  81
  82 ;;;start-test;;;
  83
  84
  85 ;; Section 1: Decoding examples from RFC2047
  86
  87 (decode
  88 "From: =?US-ASCII?Q?Keith_Moore?= <moore@cs.utk.edu>"
  89 "From: Keith Moore <moore@cs.utk.edu>")
  90
  91 (decode
  92 "To: =?ISO-8859-1?Q?Keld_J=F8rn_Simonsen?= <keld@dkuug.dk>"
  93 "To: Keld J\e.A\eNxrn Simonsen <keld@dkuug.dk>")\e*B
  94
  95 (decode
  96 "CC: =?ISO-8859-1?Q?Andr=E9?= Pirard <PIRARD@vm1.ulg.ac.be>"
  97 "CC: Andr\e.A\eNi Pirard <PIRARD@vm1.ulg.ac.be>")\e*B
  98
  99 (decode
 100 "Subject: =?ISO-8859-1?B?SWYgeW91IGNhbiByZWFkIHRoaXMgeW8=?=
 101  =?ISO-8859-2?B?dSB1bmRlcnN0YW5kIHRoZSBleGFtcGxlLg==?="
 102 "Subject: If you can read this you understand the example.")
 103
 104 (decode
 105 "From: =?ISO-8859-1?Q?Olle_J=E4rnefors?= <ojarnef@admin.kth.se>"
 106 "From: Olle J\e.A\eNdrnefors <ojarnef@admin.kth.se>")\e*B
 107
 108 (decode
 109 "From: =?ISO-8859-1?Q?Patrik_F=E4ltstr=F6m?= <paf@nada.kth.se>"
 110 "From: Patrik F\e.A\eNdltstr\eNvm <paf@nada.kth.se>")\e*B
 111
 112 (decode
 113 "From: Nathaniel Borenstein <nsb@thumper.bellcore.com>
 114         (=?iso-8859-8?b?7eXs+SDv4SDp7Oj08A==?=)"
 115 "From: Nathaniel Borenstein <nsb@thumper.bellcore.com>  (\e.H\eNm\eNe\eNl\eNy \eNo\eNa \eNi\eNl\eNh\eNt\eNp)")\e*B
 116 ; FLAM
 117
 118 (decode
 119 "From: foo@bar.baz (=?ISO-8859-1?Q?a?=)"
 120 "From: foo@bar.baz (a)")
 121
 122 (decode
 123 "From: foo@bar.baz (=?ISO-8859-1?Q?a?= b)"
 124 "From: foo@bar.baz (a b)")
 125
 126 (decode
 127 "From: foo@bar.baz (=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)"
 128 "From: foo@bar.baz (ab)")
 129
 130 (decode
 131 "From: foo@bar.baz (=?ISO-8859-1?Q?a?=  =?ISO-8859-1?Q?b?=)"
 132 "From: foo@bar.baz (ab)")
 133
 134 (decode
 135 "From: foo@bar.baz (=?ISO-8859-1?Q?a?=
 136         =?ISO-8859-1?Q?b?=)"
 137 "From: foo@bar.baz (ab)")
 138
 139 (decode
 140 "From: foo@bar.baz (=?ISO-8859-1?Q?a_b?=)"
 141 "From: foo@bar.baz (a b)")
 142
 143 (decode
 144 "From: foo@bar.baz (=?ISO-8859-1?Q?a?= =?ISO-8859-2?Q?_b?=)"
 145 "From: foo@bar.baz (a b)")
 146
 147 (decode
 148 "Subject: (=?ISO-8859-1?Q?a?=)"
 149 "Subject: (=?ISO-8859-1?Q?a?=)")
 150
 151 (decode
 152 "Subject: (=?ISO-8859-1?Q?a?= b)"
 153 "Subject: (=?ISO-8859-1?Q?a?= b)")
 154
 155 (decode
 156 "Subject: (=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)"
 157 "Subject: (=?ISO-8859-1?Q?a?= =?ISO-8859-1?Q?b?=)")
 158
 159 (decode
 160 "Subject: (=?ISO-8859-1?Q?a?=  =?ISO-8859-1?Q?b?=)"
 161 "Subject: (=?ISO-8859-1?Q?a?=  =?ISO-8859-1?Q?b?=)")
 162
 163 (decode
 164 "Subject: (=?ISO-8859-1?Q?a?=
 165         =?ISO-8859-1?Q?b?=)"
 166 "Subject: (=?ISO-8859-1?Q?a?=   =?ISO-8859-1?Q?b?=)")
 167
 168 (decode
 169 "Subject: (=?ISO-8859-1?Q?a_b?=)"
 170 "Subject: (=?ISO-8859-1?Q?a_b?=)")
 171
 172 (decode
 173 "Subject: (=?ISO-8859-1?Q?a?= =?ISO-8859-2?Q?_b?=)"
 174 "Subject: (=?ISO-8859-1?Q?a?= =?ISO-8859-2?Q?_b?=)")
 175
 176 ;; Section 2: Decoding trivial inputs.
 177
 178 (decode
 179 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 180 "From: \e$B$"\e(B <akr@jaist.ac.jp>")
 181
 182 (decode
 183 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?= =?ISO-2022-JP?B?GyRCJCQbKEI=?=
 184  <akr@jaist.ac.jp>"
 185 "From: \e$B$"$$\e(B <akr@jaist.ac.jp>")
 186
 187 (decode
 188 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=
 189  =?ISO-2022-JP?B?GyRCJCQbKEI=?=
 190  <akr@jaist.ac.jp>"
 191 "From: \e$B$"$$\e(B <akr@jaist.ac.jp>")
 192
 193 (decode
 194 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=
 195         =?ISO-2022-JP?B?GyRCJCQbKEI=?=
 196  <akr@jaist.ac.jp>"
 197 "From: \e$B$"$$\e(B <akr@jaist.ac.jp>")
 198
 199 (decode
 200 "From: akr@jaist.ac.jp (=?ISO-2022-JP?B?GyRCJCIbKEI=?=
 201  =?ISO-2022-JP?B?GyhC?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=
 202  =?ISO-2022-JP?B?GyhC?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)"
 203 "From: akr@jaist.ac.jp (\e$B$"\e(B(\e$B$$\e(B)\e$B$&\e(B)")
 204
 205 (decode
 206 "From: a=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 207 "From: a=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
 208
 209 (decode
 210 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=b <akr@jaist.ac.jp>"
 211 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=b <akr@jaist.ac.jp>")
 212
 213 (decode
 214 "From: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=b <akr@jaist.ac.jp>"
 215 "From: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=b <akr@jaist.ac.jp>")
 216
 217 (decode
 218 "From: \"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\" <akr@jaist.ac.jp>"
 219 "From: \"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\" <akr@jaist.ac.jp>")
 220
 221 (decode
 222 "From: \"\\\"\\\\\" =?ISO-2022-JP?B?GyRCJCIbKEI=?= \"\\\"\\\\\" <akr@jaist.ac.jp>"
 223 "From: \"\\\"\\\\\" \e$B$"\e(B \"\\\"\\\\\" <akr@jaist.ac.jp>")
 224
 225 (decode
 226 "From: < =?ISO-2022-JP?B?GyRCJCIbKEI=?= @jaist.ac.jp>"
 227 "From: < =?ISO-2022-JP?B?GyRCJCIbKEI=?= @jaist.ac.jp>")
 228 ; FLAM
 229
 230 (decode
 231 "From: =?ISO-2022-JP?Q?=1B=24BAA=1B=28B?= <akr@jaist.ac.jp>"
 232 "From: \e$BAA\e(B <akr@jaist.ac.jp>")
 233
 234 (decode
 235 "From: =?ISO-2022-JP?Q?=1B$BAA=1B(B?= ) <akr@jaist.ac.jp>"
 236 "From: =?ISO-2022-JP?Q?=1B$BAA=1B(B?= ) <akr@jaist.ac.jp>")
 237
 238 (decode
 239 "From: (=?US-ASCII?Q?(?=)foo@bar.baz(=?US-ASCII?Q?))baz@bar.foo(?=)"
 240 "From: (=?US-ASCII?Q?(?=)foo@bar.baz(=?US-ASCII?Q?))baz@bar.foo(?=)")
 241
 242 (decode
 243 "From: =?ISO-2022-JP?B?GyRCJCIbKEIoGyRCJCIbKEIp?= <akr@jaist.ac.jp>"
 244 "From: \"\e$B$"\e(B(\e$B$"\e(B)\" <akr@jaist.ac.jp>")
 245
 246 (decode
 247 "From: =?US-ASCII?Q?=28?= <akr@jaist.ac.jp>, =?US-ASCII?Q?=29?= <akr@jaist.ac.jp>"
 248 "From: \"(\" <akr@jaist.ac.jp>, \")\" <akr@jaist.ac.jp>")
 249
 250 (decode
 251 "From: =?ISO-2022-JP?B?YSJiGyRCJCIbKEJjXA==?= <akr@jaist.ac.jp>"
 252 "From: \"a\\\"b\e$B$"\e(Bc\\\\\" <akr@jaist.ac.jp>")
 253
 254 (decode
 255 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 256 "Subject: \e$B$"\e(B")
 257
 258 (decode
 259 "Subject: a=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 260 "Subject: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 261
 262 (decode
 263 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=b"
 264 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=b")
 265
 266 (decode
 267 "Subject: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=b"
 268 "Subject: a=?ISO-2022-JP?B?GyRCJCIbKEI=?=b")
 269
 270 (decode
 271 "Subject: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 272 "Subject: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 273
 274 (decode
 275 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b)"
 276 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b)")
 277
 278 (decode
 279 "Subject: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b)"
 280 "Subject: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b)")
 281
 282 (decode
 283 "Subject: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 284 "Subject: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 285
 286 (decode
 287 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\""
 288 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\"")
 289
 290 (decode
 291 "Subject: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\""
 292 "Subject: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\"")
 293
 294 (decode
 295 "Subject: (Re: =?ISO-2022-JP?B?GyRCJCIbKEI=?=)"
 296 "Subject: (Re: =?ISO-2022-JP?B?GyRCJCIbKEI=?=)")
 297
 298 (decode
 299 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:"
 300 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:")
 301
 302 (decode
 303 "Subject: =?ISO-2022-JP?B??="
 304 "Subject: =?ISO-2022-JP?B??=")
 305
 306 (decode
 307 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?= a
 308  =?ISO-2022-JP?B?GyRCJCQbKEI=?="
 309 "Subject: \e$B$"\e(B a \e$B$$\e(B")
 310
 311 (decode
 312 "Subject: =?ISO-2022-JP?B?GyRCMCQbKEIgICAgICAgICAgICAgICAgICAgICAgICAgICAg?=
 313  =?US-ASCII?Q?____________________________________________________________?=
 314  =?ISO-2022-JP?B?ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIBskQlJfGyhC?="
 315 "Subject: \e$B0$\e(B                                                                                                                          \e$BR_\e(B")
 316
 317 (decode
 318 "From: =?ISO-8859-1?Q?abcdefghijklmnopqrst=A1=28=29=22=5C?= <akr@jaist.ac.jp>"
 319 "From: \"abcdefghijklmnopqrst\e.A\eN!()\\\"\\\\\" <akr@jaist.ac.jp>")\e*B
 320
 321 (decode
 322 "Subject: ?= =?"
 323 "Subject: ?= =?")
 324
 325 (decode
 326 "Subject: \" =?ISO-2022-JP?B?GyRCJCIbKEI=?= \""
 327 "Subject: \" \e$B$"\e(B \"")
 328
 329 (decode
 330 "From: \"\\\\\" =?ISO-2022-JP?B?GyRCJCIbKEI=?= \"\" <akr@jaist.ac.jp>"
 331 "From: \"\\\\\" \e$B$"\e(B \"\" <akr@jaist.ac.jp>")
 332
 333 (decode
 334 "Subject: =?ISO-2022-JP?Q?=1B$B$\"=1B(B_=1B$B$\"=1B(B?="
 335 "Subject: \e$B$"\e(B \e$B$"\e(B")
 336
 337 (decode
 338 "Subject: =?ISO-2022-JP?Q?=1B$B$\"=1B(B =1B$B$\"=1B(B?="
 339 "Subject: =?ISO-2022-JP?Q?=1B$B$\"=1B(B =1B$B$\"=1B(B?=")
 340
 341 (decode
 342 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?= a =?ISO-8859-8?Q?=E0?="
 343 "Subject: \e$B$"\e(B a \e.H\eN`")\e*B
 344
 345 (decode
 346 "Subject: =?ISO-8859-8?Q?=E0?= =?ISO-2022-JP?B?GyRCTm0bKEI=?="
 347 "Subject: \e.H\eN`\e$BNm\e(B")\e*B
 348
 349 (decode
 350 "Subject: =?ISO-8859-8?Q?=E0_?= =?ISO-2022-JP?B?GyRCTm0bKEI=?="
 351 "Subject: \e.H\eN` \e$BNm\e(B")\e*B
 352
 353 (decode
 354 "Subject: =?ISO-2022-JP-2?B?Gy5GG05DGyRCNFg/dBsoQg==?="
 355 "Subject: \e.F\eNC\e$B4X?t\e(B")\e*B
 356
 357 (decode
 358 "Subject: =?ISO-8859-7?Q?=C3?= =?ISO-2022-JP?B?GyRCNFg/dBsoQg==?="
 359 "Subject: \e.F\eNC\e$B4X?t\e(B")\e*B
 360
 361 (decode
 362 "Subject: =?Shift_JIS?B?gqA=?="
 363 "Subject: \e$B$"\e(B"
 364 'quoted-encoded-word)
 365
 366 (decode
 367 "Subject: =?EUC-JP?B?pKI=?="
 368 "Subject: \e$B$"\e(B"
 369 'quoted-encoded-word)
 370
 371 (decode
 372 "Subject: = =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 373 "Subject: = \e$B$"\e(B")
 374
 375 (decode
 376 "Subject: =? =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 377 "Subject: =? \e$B$"\e(B")
 378
 379 (decode
 380 "Subject: =?ISO-2022-JP =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 381 "Subject: =?ISO-2022-JP \e$B$"\e(B")
 382
 383 (decode
 384 "Subject: =?ISO-2022-JP? =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 385 "Subject: =?ISO-2022-JP? \e$B$"\e(B")
 386
 387 (decode
 388 "Subject: =?ISO-2022-JP?B =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 389 "Subject: =?ISO-2022-JP?B \e$B$"\e(B")
 390
 391 (decode
 392 "Subject: =?ISO-2022-JP?B? =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 393 "Subject: =?ISO-2022-JP?B? \e$B$"\e(B")
 394
 395 (decode
 396 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 397 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI \e$B$"\e(B")
 398
 399 (decode
 400 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI= =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 401 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI= \e$B$"\e(B")
 402
 403 (decode
 404 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=? =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 405 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=? \e$B$"\e(B")
 406
 407 (decode
 408 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?= =?ISO-2022-JP?B?GyRCJCIbKEI=?="
 409 "Subject: \e$B$"$"\e(B")
 410
 411 (decode
 412 "Subject: ==?ISO-2022-JP?B?GyRCJCIbKEI=?="
 413 "Subject: ==?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 414
 415 (decode
 416 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=="
 417 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?==")
 418
 419 ;; Section 3: Decoding melancholy inputs.
 420
 421 (decode
 422 "From:=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 423 "From:=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
 424 ; FLAM
 425
 426 (decode
 427 "From: akr@jaist.ac.jp
 428  (=?ISO-2022-JP?B?GyRCJCIbKEI=?=\\a=?ISO-2022-JP?B?GyRCJCQbKEI=?=)"
 429 "From: akr@jaist.ac.jp (\e$B$"\e(B\\a\e$B$$\e(B)")
 430 ; FLAM
 431
 432 (decode
 433 "From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 434 "From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
 435
 436 (decode
 437 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>"
 438 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>")
 439
 440 (decode
 441 "From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>"
 442 "From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>")
 443
 444 (decode
 445 "From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 446 "From: (a)\e$B$"\e(B <akr@jaist.ac.jp>"
 447 'permit-sticked-comment)
 448
 449 (decode
 450 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>"
 451 "From: \e$B$"\e(B(b) <akr@jaist.ac.jp>"
 452 'permit-sticked-comment)
 453
 454 (decode
 455 "From: (a)=?ISO-2022-JP?B?GyRCJCIbKEI=?=(b) <akr@jaist.ac.jp>"
 456 "From: (a)\e$B$"\e(B(b) <akr@jaist.ac.jp>"
 457 'permit-sticked-comment)
 458
 459 (decode
 460 "From: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 461 "From: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
 462
 463 (decode
 464 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\" <akr@jaist.ac.jp>"
 465 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\" <akr@jaist.ac.jp>")
 466
 467 (decode
 468 "From: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\" <akr@jaist.ac.jp>"
 469 "From: \"a\"=?ISO-2022-JP?B?GyRCJCIbKEI=?=\"b\" <akr@jaist.ac.jp>")
 470
 471 (decode
 472 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCIbKEI=?=)
 473  <akr@jaist.ac.jp>"
 474 "From: \e$B$"\e(B(\e$B$"\e(B) <akr@jaist.ac.jp>"
 475 'permit-sticked-comment)
 476
 477 (decode
 478 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 479 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>")
 480
 481 (decode
 482 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 483 "To: \e$B$"\e(B<akr@jaist.ac.jp>"
 484 'permit-sticked-special)
 485
 486 (decode
 487 "To: <akr@jaist.ac.jp>,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 488 "To: <akr@jaist.ac.jp>,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>")
 489
 490 (decode
 491 "To: <akr@jaist.ac.jp>,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 492 "To: <akr@jaist.ac.jp>,\e$B$"\e(B<akr@jaist.ac.jp>"
 493 'permit-sticked-special)
 494
 495 (decode
 496 "To: akr@jaist.ac.jp,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 497 "To: akr@jaist.ac.jp,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>")
 498
 499 (decode
 500 "To: akr@jaist.ac.jp,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 501 "To: akr@jaist.ac.jp,\e$B$"\e(B<akr@jaist.ac.jp>"
 502 'permit-sticked-special)
 503
 504 (decode
 505 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:akr@jaist.ac.jp;"
 506 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:akr@jaist.ac.jp;")
 507
 508 (decode
 509 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:akr@jaist.ac.jp;"
 510 "To: \e$B$"\e(B:akr@jaist.ac.jp;"
 511 'permit-sticked-special)
 512
 513 (decode
 514 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<akr@jaist.ac.jp>;"
 515 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<akr@jaist.ac.jp>;")
 516
 517 (decode
 518 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<akr@jaist.ac.jp>;"
 519 "To: \e$B$"\e(B:\e$B$$\e(B<akr@jaist.ac.jp>;"
 520 'ignore-76bytes-limit 'permit-sticked-special)
 521
 522 (decode
 523 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<foo@bar>,=?ISO-2022-JP?B?GyRCJCYbKEI=?=<foo@bar>;,=?ISO-2022-JP?B?GyRCJCgbKEI=?=<foo@bar>"
 524 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<foo@bar>,=?ISO-2022-JP?B?GyRCJCYbKEI=?=<foo@bar>;,=?ISO-2022-JP?B?GyRCJCgbKEI=?=<foo@bar>")
 525
 526 (decode
 527 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<foo@bar>,=?ISO-2022-JP?B?GyRCJCYbKEI=?=<foo@bar>;,=?ISO-2022-JP?B?GyRCJCgbKEI=?=<foo@bar>"
 528 "To: \e$B$"\e(B:\e$B$$\e(B<foo@bar>,\e$B$&\e(B<foo@bar>;,\e$B$(\e(B<foo@bar>"
 529 'ignore-76bytes-limit 'permit-sticked-special)
 530
 531 (decode
 532 "Subject:=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 533 "Subject:=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 534
 535 (decode
 536 "Subject:=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 537 "Subject:\e$B$"\e(B"
 538 'permit-sticked-special)
 539
 540 ;; Section 4: Decoding invalid inputs.
 541
 542 (decode
 543 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?==?ISO-2022-JP?B?GyRCJCQbKEI=?=
 544  <akr@jaist.ac.jp>"
 545 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?==?ISO-2022-JP?B?GyRCJCQbKEI=?= <akr@jaist.ac.jp>")
 546
 547 (decode
 548 "From: akr@jaist.ac.jp
 549  (=?ISO-2022-JP?B?GyRCJCIbKEI=?=a=?ISO-2022-JP?B?GyRCJCQbKEI=?=)"
 550 "From: akr@jaist.ac.jp (=?ISO-2022-JP?B?GyRCJCIbKEI=?=a=?ISO-2022-JP?B?GyRCJCQbKEI=?=)")
 551 ; FLAM
 552
 553 (decode
 554 "From: akr@jaist.ac.jp
 555  (=?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)"
 556 "From: akr@jaist.ac.jp (=?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)")
 557 ; FLAM
 558
 559 (decode
 560 "From: akr@jaist.ac.jp
 561  (=?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)"
 562 "From: akr@jaist.ac.jp (\e$B$"\e(B(\e$B$$\e(B)\e$B$&\e(B)"
 563 'ignore-76bytes-limit)
 564
 565 (decode
 566 "Subject: =?=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 567 "Subject: =?=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 568
 569 (decode
 570 "Subject: =?ISO-2022-JP=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 571 "Subject: =?ISO-2022-JP=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 572
 573 (decode
 574 "Subject: =?ISO-2022-JP?=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 575 "Subject: =?ISO-2022-JP?=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 576
 577 (decode
 578 "Subject: =?ISO-2022-JP?B=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 579 "Subject: =?ISO-2022-JP?B=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 580
 581 (decode
 582 "Subject: =?ISO-2022-JP?B?=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 583 "Subject: =?ISO-2022-JP?B?=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 584
 585 (decode
 586 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 587 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 588
 589 (decode
 590 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI==?ISO-2022-JP?B?GyRCJCIbKEI=?="
 591 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI==?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 592
 593 (decode
 594 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=?ISO-2022-JP?B?GyRCJCIbKEI=?="
 595 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?=?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 596
 597 (decode
 598 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?==?ISO-2022-JP?B?GyRCJCIbKEI=?="
 599 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?==?ISO-2022-JP?B?GyRCJCIbKEI=?=")
 600
 601 (decode
 602 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI?="
 603 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI?=")
 604
 605 (decode
 606 "Subject: =?ISO-2022-JP?B?GyRCNFg-dBsoQg==?="
 607 "Subject: =?ISO-2022-JP?B?GyRCNFg-dBsoQg==?=")
 608
 609 ;; Section 5: Encoding trivial inputs.
 610
 611 (encode
 612 "From: \e$B$"\e(B <akr@jaist.ac.jp>"
 613 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>")
 614
 615 (encode
 616 "From: \"\e$B$"\e(B(\e$B$"\e(B)\" <akr@jaist.ac.jp>"
 617 "From: =?ISO-2022-JP?B?GyRCJCIbKEIoGyRCJCIbKEIp?= <akr@jaist.ac.jp>")
 618 ; FLAM
 619
 620 (encode
 621 "From: \"a\\\"b\e$B$"\e(Bc\\\\\" <akr@jaist.ac.jp>"
 622 "From: =?ISO-2022-JP?B?YSJiGyRCJCIbKEJjXA==?= <akr@jaist.ac.jp>")
 623 ; FLAM
 624
 625 (encode
 626 "Subject: \e$B0$\e(B                                                                                                                          \e$BR_\e(B"
 627 "Subject: =?ISO-2022-JP?B?GyRCMCQbKEIgICAgICAgICAgICAgICAgICAgICAgICAgICAg?=
 628  =?US-ASCII?Q?____________________________________________________________?=
 629  =?ISO-2022-JP?B?ICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIBskQlJfGyhC?=")
 630 ; FLAM
 631
 632 (encode
 633 "Subject: \e$B0$\e(B                                                                                                                          \e$BR_\e(B"
 634 "Subject: =?ISO-2022-JP?B?GyQpQrCkICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICDS3w=="
 635 'ignore-76bytes-limit 'ignore-75bytes-limit)
 636 ; FLAM
 637
 638 (encode
 639 "From: \e.A\eN! <akr@jaist.ac.jp>"\e*B
 640 "From: =?ISO-8859-1?Q?=A1?= <akr@jaist.ac.jp>")
 641
 642 (encode
 643 "From: \"abcdefghijklmnopqrst\e.A\eN!()\\\"\\\\\" <akr@jaist.ac.jp>"\e*B
 644 "From: =?ISO-8859-1?Q?abcdefghijklmnopqrst=A1=28=29=22=5C?= <akr@jaist.ac.jp>")
 645 ; FLAM
 646
 647 (encode
 648 "From: akr@jaist.ac.jp (abcdefghijklmnopqrst\e.A\eN!\\(\\)\"\\\\)"\e*B
 649 "From: akr@jaist.ac.jp (=?ISO-8859-1?Q?abcdefghijklmnopqrst=A1=28=29\"=5C?=)")
 650 ; FLAM
 651
 652 (encode
 653 "Subject: \e$B$"\e(B a \e.H\eN`"\e*B
 654 "Subject: =?ISO-2022-JP?B?GyRCJCIbKEI=?= a =?ISO-8859-8?Q?=E0?=")
 655
 656 (encode
 657 "Subject: \e.H\eN`\e$BNm\e(B"\e*B
 658 "Subject: =?ISO-8859-8?Q?=E0?= =?ISO-2022-JP?B?GyRCTm0bKEI=?=")
 659 ; FLAM
 660
 661 (encode
 662 "Subject: \e.H\eN` \e$BNm\e(B"\e*B
 663 '("Subject: =?ISO-8859-8?Q?=E0_?= =?ISO-2022-JP?B?GyRCTm0bKEI=?="
 664   "Subject: =?ISO-8859-8?Q?=E0?= =?ISO-2022-JP?B?IBskQk5tGyhC?="))
 665
 666 (encode
 667 "Subject: \e.F\eNC\e$B4X?t\e(B"\e*B
 668 '("Subject: =?ISO-8859-7?Q?=C3?= =?ISO-2022-JP?B?GyRCNFg/dBsoQg==?="
 669   "Subject: =?ISO-2022-JP-2?B?Gy5GG05DGyRCNFg/dBsoQg==?="))
 670
 671 ;; Section 6: Encoding melancholy inputs.
 672
 673 (encode
 674 "From: akr@jaist.ac.jp (\e$B$"\e(B(\e$B$$\e(B)\e$B$&\e(B)"
 675 "From: akr@jaist.ac.jp
 676  (=?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)"
 677 'ignore-76bytes-limit)
 678 ; FLAM
 679
 680 (encode
 681 "From: akr@jaist.ac.jp (\e$B$"\e(B(\e$B$$\e(B)\e$B$&\e(B)"
 682 "From: akr@jaist.ac.jp (=?ISO-2022-JP?B?GyRCJCIbKEI=?=
 683  =?ISO-2022-JP?B?GyhC?=(=?ISO-2022-JP?B?GyRCJCQbKEI=?=
 684  =?ISO-2022-JP?B?GyhC?=)=?ISO-2022-JP?B?GyRCJCYbKEI=?=)"
 685 'zero-characters-encoded-word-hack)
 686 ; FLAM
 687
 688 (encode
 689 "From: \e$B$"\e(B(\e$B$"\e(B) <akr@jaist.ac.jp>"
 690 "From: =?ISO-2022-JP?B?GyRCJCIbKEIoGyRCJCIbKEIp?= <akr@jaist.ac.jp>"
 691 'encode-sticked-comment-as-atom)
 692 ; FLAM
 693
 694 (encode
 695 "From: \e$B$"\e(B(\e$B$"\e(B) <akr@jaist.ac.jp>"
 696 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?=(=?ISO-2022-JP?B?GyRCJCIbKEI=?=)
 697  <akr@jaist.ac.jp>"
 698 'permit-sticked-comment)
 699 ; FLAM
 700
 701 (encode
 702 "From: \e$B$"\e(B(\e$B$"\e(B) <akr@jaist.ac.jp>"
 703 "From: =?ISO-2022-JP?B?GyRCJCIbKEI=?= (=?ISO-2022-JP?B?GyRCJCIbKEI=?=)
 704  <akr@jaist.ac.jp>"
 705 'separate-sticked-comment)
 706 ; FLAM
 707
 708 (encode
 709 "To: \e$B$"\e(B<akr@jaist.ac.jp>"
 710 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 711 'permit-sticked-special)
 712 ; FLAM
 713
 714 (encode
 715 "To: \e$B$"\e(B<akr@jaist.ac.jp>"
 716 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 717 'separate-sticked-special)
 718
 719 (encode
 720 "To: <akr@jaist.ac.jp>,\e$B$"\e(B<akr@jaist.ac.jp>"
 721 "To: <akr@jaist.ac.jp>,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 722 'permit-sticked-special)
 723 ; FLAM
 724
 725 (encode
 726 "To: <akr@jaist.ac.jp>,\e$B$"\e(B<akr@jaist.ac.jp>"
 727 "To: <akr@jaist.ac.jp>, =?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 728 'separate-sticked-special)
 729
 730 (encode
 731 "To: akr@jaist.ac.jp,\e$B$"\e(B<akr@jaist.ac.jp>"
 732 "To: akr@jaist.ac.jp,=?ISO-2022-JP?B?GyRCJCIbKEI=?=<akr@jaist.ac.jp>"
 733 'permit-sticked-special)
 734 ; FLAM
 735
 736 (encode
 737 "To: akr@jaist.ac.jp,\e$B$"\e(B<akr@jaist.ac.jp>"
 738 "To: akr@jaist.ac.jp, =?ISO-2022-JP?B?GyRCJCIbKEI=?= <akr@jaist.ac.jp>"
 739 'separate-sticked-special)
 740
 741 (encode
 742 "To: \e$B$"\e(B:akr@jaist.ac.jp;"
 743 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:akr@jaist.ac.jp;"
 744 'permit-sticked-special)
 745 ; FLAM
 746
 747 (encode
 748 "To: \e$B$"\e(B:akr@jaist.ac.jp;"
 749 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?= :akr@jaist.ac.jp;"
 750 'separate-sticked-special)
 751 ; FLAM
 752
 753 (encode
 754 "To: \e$B$"\e(B:\e$B$$\e(B<akr@jaist.ac.jp>;"
 755 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<akr@jaist.ac.jp>;"
 756 'ignore-76bytes-limit 'permit-sticked-special)
 757 ; FLAM
 758
 759 (encode
 760 "To: \e$B$"\e(B:\e$B$$\e(B<akr@jaist.ac.jp>;"
 761 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=
 762  =?ISO-2022-JP?B?GyhC?=<akr@jaist.ac.jp>;"
 763 'zero-characters-encoded-word-hack 'permit-sticked-special)
 764 ; FLAM
 765
 766 (encode
 767 "To: \e$B$"\e(B:\e$B$$\e(B<akr@jaist.ac.jp>;"
 768 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?= : =?ISO-2022-JP?B?GyRCJCQbKEI=?=
 769  <akr@jaist.ac.jp>;"
 770 'separate-sticked-special)
 771 ; FLAM
 772
 773 (encode
 774 "To: \e$B$"\e(B:\e$B$$\e(B<foo@bar>,\e$B$&\e(B<foo@bar>;,\e$B$(\e(B<foo@bar>"
 775 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=<foo@bar>,=?ISO-2022-JP?B?GyRCJCYbKEI=?=<foo@bar>;,=?ISO-2022-JP?B?GyRCJCgbKEI=?=<foo@bar>"
 776 'ignore-76bytes-limit 'permit-sticked-special)
 777 ; FLAM
 778
 779 (encode
 780 "To: \e$B$"\e(B:\e$B$$\e(B<foo@bar>,\e$B$&\e(B<foo@bar>;,\e$B$(\e(B<foo@bar>"
 781 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?=:=?ISO-2022-JP?B?GyRCJCQbKEI=?=
 782  =?ISO-2022-JP?B?GyhC?=<foo@bar>,=?ISO-2022-JP?B?GyRCJCYbKEI=?=
 783  =?ISO-2022-JP?B?GyhC?=<foo@bar>;,=?ISO-2022-JP?B?GyRCJCgbKEI=?=<foo@bar>"
 784 'zero-characters-encoded-word-hack 'permit-sticked-special)
 785 ; FLAM
 786
 787 (encode
 788 "To: \e$B$"\e(B:\e$B$$\e(B<foo@bar>,\e$B$&\e(B<foo@bar>;,\e$B$(\e(B<foo@bar>"
 789 "To: =?ISO-2022-JP?B?GyRCJCIbKEI=?= : =?ISO-2022-JP?B?GyRCJCQbKEI=?=
 790  <foo@bar>, =?ISO-2022-JP?B?GyRCJCYbKEI=?= <foo@bar>;,
 791  =?ISO-2022-JP?B?GyRCJCgbKEI=?= <foo@bar>"
 792 'separate-sticked-special)
 793 ; FLAM
 794
 795 ;; Section 7: Using quoted-encoded-words.
 796 ;
 797 ;; quoted-encoded-word \e$BI=8=\e(B
 798 ;
 799 ; RFC2047 \e$B$N%G%3!<%@$O@x:_E*$K\e(B(\e$B%G%3!<%I7k2L$G$J$/\e(B) encoded-word \e$B$=$N$b$N$r\e(B
 800 ; \e$B=PNO$7$J$1$l$P$J$i$J$$$3$H$,$"$k!#\e(B
 801 ;
 802 ; 1. \e$BCN$i$J$$\e(B charset \e$B$b$7$/$O\e(B encoding \e$B$,;XDj$5$l$F$$$?$H$-!#\e(B
 803 ;  =?unknown-charset?known-encoding?some-encoded-text?=
 804 ;  =?known-charset?unknown-encoding?some-encoded-text?=
 805 ;  =?unknown-charset?unknown-encoding?some-encoded-text?=
 806 ;
 807 ; 2. \e$B%G%3!<%I$G$-$F$bFbMF$,7uF]$9$.$k$H$-!#\e(B
 808 ;  Non ASCII \e$B3HD%\e(B RFC822 \e$B$NCf$K\e(B =?US-ASCII?Q?=0D=0A=0D=0A?= \e$B$N%G%3!<%I\e(B
 809 ; \e$B7k2L$rKd$a9~$`$N$O4m81$9$.$k!#\e(B
 810 ;
 811 ; \e$B$^$?!"%G%3!<%@$O\e(B encoded-word \e$B$N$h$&$K$_$($k%G%3!<%I7k2L$r=PNO$7$J$1\e(B
 812 ; \e$B$l$P$J$i$J$$$3$H$b$"$k!#\e(B
 813 ;
 814 ;  =?US-ASCII?Q?=3D=3FUS-ASCII=3FQ=3Ftext=3F=3D?=
 815 ;
 816 ; \e$B%G%3!<%@$,C1$J$kJ8;zNs$r=PNO$9$k>l9g!"C1=c$K$d$k$H\e(B encoded-word \e$B$=$N$b$N$H\e(B
 817 ; encoded-word \e$B$N$h$&$K$_$($kJ8;zNs$r6hJL$G$-$J$$!#\e(B
 818 ; \e$B$3$3$G$OJ8;zNsCf$G$=$l$i$r3N<B$K6hJL$7$FI=8=$9$kJ}K!$r<($9!#\e(B
 819 ;
 820 ; rule 1: \e$BJ8;zNsCf$G\e(B =?charset?encoding?text?= \e$B$H$$$&%Q%?!<%s$K\e(B
 821 ;  \e$B%^%C%A$7$J$$ItJ,$O$=$NItJ,$N$^$^$NFbMF$rI=$9!#\e(B
 822 ;
 823 ; rule 2: \e$BJ8;zNsCf$G\e(B =?charset?encoding?text?= \e$B$H$$$&%Q%?!<%s$K\e(B
 824 ;  \e$B%^%C%A$9$kItJ,$O\e(B charset \e$B$N@hF,$K\e(B '*' \e$B$,$$$/$DIU$$$F$$$k$+$GFbMF$N\e(B
 825 ;  \e$B2r<a$rJQ$($k!#\e(B
 826 ;
 827 ;  \e$B6v?t$N>l9g\e(B(0, 2, 4, ...): charset \e$B$N@hF,$N\e(B '*' \e$B$N?t$rH>J,$K$7$?J8;zNs\e(B
 828 ;  \e$B4q?t$N>l9g\e(B(1, 3, 5, ...): charset \e$B$N@hF,$N\e(B '*' \e$B$N?t$rH>J,\e(B(\e$B>.?tE@0J2<\e(B
 829 ;   \e$B@Z<N$F\e(B)\e$B$K$7$F!"$=$l$r\e(B encoded-word \e$B$H;W$C$F%G%3!<%I$7$?J8;zNs!#\e(B
 830 ;
 831 ; NOTE: '*' \e$B$r\e(B quoted-encoded-word \e$BI=8=$N\e(B quote \e$BJ8;z$H8F$V!#\e(B
 832 ;
 833 ; NOTE: \e$B8=;~E@\e(B(1998/07/19)\e$B$G\e(B IANA \e$B$N%l%8%9%H%j$K$O\e(B '*' \e$B$r4^$`\e(B charset \e$B$O\e(B
 834 ;  \e$BEPO?$5$l$F$$$J$$$N$G!"$=$l$i$N\e(B charset \e$B$r;H$C$?\e(B
 835 ;  encoded-word \e$B$rI=8=$9$k$K$O\e(B '*' \e$B$r\e(B 1\e$B$D$D$1$k$3$H$K$J$k!#\e(B
 836 ;
 837 ;  =?US-ASCII?Q?abcdef?= \e$B$H$$$&\e(Bencoded-word : =?*US-ASCII?Q?abcdef?=
 838 ;
 839 ;  =?US-ASCII?Q?abcdef?= \e$B$H$$$&J8;zNs\e(B         : =?US-ASCII?Q?abcdef?=
 840 ;  =?*US-ASCII?Q?abcdef?= \e$B$H$$$&J8;zNs\e(B        : =?**US-ASCII?Q?abcdef?=
 841 ;  =?**US-ASCII?Q?abcdef?= \e$B$H$$$&J8;zNs\e(B     : =?****US-ASCII?Q?abcdef?=
 842 ;  =?***US-ASCII?Q?abcdef?= \e$B$H$$$&J8;zNs\e(B    : =?******US-ASCII?Q?abcdef?=
 843 ;  =?US-ASCII*?Q?abcdef?= \e$B$H$$$&J8;zNs\e(B      : =?US-ASCII*?Q?abcdef?=
 844 ;  =?U*S-ASCII?Q?abcdef?= \e$B$H$$$&J8;zNs\e(B      : =?U*S-ASCII?Q?abcdef?=
 845 ;
 846 ; NOTE: encoded-word \e$B$K8+$($kJ8;zNs$G\e(B '*' \e$B$,G\A}$5$l$k$N$O\e(B charset \e$B$N\e(B
 847 ;  \e$B@hF,$@$1$G$"$j!"\e(Bencoding \e$B$d\e(B encoded-text \e$B$O$?$H$(\e(B '*' \e$B$,F~$C$F$$$F$b\e(B
 848 ;  \e$BJQ2=$7$J$$!#$^$?!"\e(Bcharset \e$BCf$G$b\e(B \e$B@hF,0J30$N\e(B '*' \e$B$OJQ2=$7$J$$!#\e(B
 849 ;
 850 ; rule 3: \e$BJ8;zNsA4BN$NFbMF$O!"\e(Brule 1 \e$B$H\e(B rule 2 \e$B$G2r<a$7$?3FItJ,$N\e(B
 851 ;   \e$BJ8;zNs$rC1=c$KO"7k$7$?J8;zNs$H$9$k!#\e(B
 852 ;
 853 ; NOTE: RFC2047 \e$B$G$O\e(B encoded-word \e$B$,6uGr$G6h@Z$i$l$J$1$l$P$J$i$J$$$H$+!"\e(B
 854 ;  encoded-word \e$B$O\e(B 75bytes \e$B0J2<$G$J$1$l$P$J$i$J$$$H$+!"\e(B
 855 ;  encoded-word \e$B$,4^$^$l$k9T$O\e(B 76bytes \e$B0J2<$G$J$1$l$P$J$i$J$$$J$I$H$$$&\e(B
 856 ;  \e$B5,Ls$,$"$k$,!"\e(Bquoted-encoded-word \e$BI=8=$G$O$=$l$i$O:NMQ$7$J$$!#\e(B
 857 ;  \e$BC1=c$K\e(B encoded-word \e$BFbIt$NJ8K!$@$1$rMxMQ$9$k!#\e(B
 858 ;  (\e$BK\<AE*$K$O0[$J$kJ8K!$r:NMQ$9$k$3$H$b2DG=$G$"$k$,!"\e(BRFC2047 \e$B$K7I0U$r\e(B
 859 ;  \e$BI=$7$F\e(B encoded-word \e$B$NJ8K!$r:NMQ$9$k!#\e(B)
 860 ;
 861 ; NOTE: quoted-encoded-word \e$BI=8=$7$?J8;zNs$NO"7k$O0BA4$G$O$J$$!#\e(B
 862 ;  =?*US-ASCII?Q?ab \e$B$H\e(B cd?= \e$B$H$$$&\e(B quoted-encoded-word \e$BI=8=$7$?J8;zNs$O\e(B
 863 ;  \e$B$=$l$>$l$=$NJ8;zNs$=$N$b$N$rI=8=$9$k$,!"$=$l$i$rO"7k$7$?J8;zNs\e(B
 864 ;  =?*US-ASCII?Q?abcd?= \e$B$O\e(B abcd \e$B$H$$$&J8;zNs$rI=8=$9$k$3$H$K$J$j!"\e(B
 865 ;  \e$B$=$l$>$l$NFbMF$NO"7k$H$O$J$i$J$$!#\e(B
 866 ;
 867 ;  \e$B$3$l$O$H$/$K\e(B Non ASCII \e$B3HD%\e(B RFC822 \e$B$NCf$K\e(B quoted-encoded-word \e$BI=8=$r\e(B
 868 ;  \e$BKd$a9~$`$H$-$K5$$rIU$1$J$1$l$P$J$i$J$$!#\e(B(\e$BKd$a9~$s$@7k2L$O@5$7$$\e(B
 869 ;  quoted-encoded-word \e$BI=8=$H$O$J$i$J$$$+$bCN$l$J$$!#\e(B)
 870
 871 (decode
 872 "Subject: =?Unknown-Charset?B?gqA=?="
 873 "Subject: =?*Unknown-Charset?B?gqA=?="
 874 'quoted-encoded-word)
 875 ; FLAM
 876
 877 (decode
 878 "Subject: =?US-ASCII?G?H4sIAMsIsjUCA0tMSk5JTQMA7zmOSwYAAAA?="
 879 "Subject: =?*US-ASCII?G?H4sIAMsIsjUCA0tMSk5JTQMA7zmOSwYAAAA?="
 880 'quoted-encoded-word)
 881 ; FLAM
 882
 883 (decode
 884 "Subject: =?US-ASCII?Unknown-Encoding?H4sIAMsIsjUCA0tMSk5JTQMA7zmOSwYAAAA?="
 885 "Subject: =?*US-ASCII?Unknown-Encoding?H4sIAMsIsjUCA0tMSk5JTQMA7zmOSwYAAAA?="
 886 'quoted-encoded-word)
 887 ; FLAM
 888
 889 (decode
 890 "Subject: =?Unknown-Charset?B?gqA=?= =?Unknown-Charset?B?gqA=?="
 891 "Subject: =?*Unknown-Charset?B?gqA=?==?*Unknown-Charset?B?gqA=?="
 892 'quoted-encoded-word)
 893 ; FLAM
 894
 895 (decode
 896 "Subject: =?Unknown-Charset?B?gqA=?=  =?Unknown-Charset?B?gqA=?="
 897 "Subject: =?*Unknown-Charset?B?gqA=?==?*Unknown-Charset?B?gqA=?="
 898 'quoted-encoded-word)
 899 ; FLAM
 900
 901 (decode
 902 "Subject: =?Unknown-Charset?B?gqA=?=
 903  =?Unknown-Charset?B?gqA=?="
 904 "Subject: =?*Unknown-Charset?B?gqA=?==?*Unknown-Charset?B?gqA=?="
 905 'quoted-encoded-word)
 906 ; FLAM
 907
 908 (decode
 909 "Subject: =?Unknown-Charset?B?gqA=?=
 910         =?Unknown-Charset?B?gqA=?="
 911 "Subject: =?*Unknown-Charset?B?gqA=?==?*Unknown-Charset?B?gqA=?="
 912 'quoted-encoded-word)
 913 ; FLAM
 914
 915 (decode
 916 "Subject: a=?Unknown-Charset?B?gqA=?="
 917 "Subject: a=?Unknown-Charset?B?gqA=?="
 918 'quoted-encoded-word)
 919
 920 (decode
 921 "Subject: =?Unknown-Charset?B?gqA=?=b"
 922 "Subject: =?Unknown-Charset?B?gqA=?=b"
 923 'quoted-encoded-word)
 924
 925 (decode
 926 "Subject: a=?Unknown-Charset?B?gqA=?=b"
 927 "Subject: a=?Unknown-Charset?B?gqA=?=b"
 928 'quoted-encoded-word)
 929
 930 (decode
 931 "Subject: a =?Unknown-Charset?B?gqA=?= b"
 932 "Subject: a =?*Unknown-Charset?B?gqA=?= b"
 933 'quoted-encoded-word)
 934 ; FLAM
 935
 936 (decode
 937 "Subject: =?ISO-2022-JP?B?DQoNCg==?="
 938 "Subject: =?*US-ASCII?Q?=0D=0A=0D=0A?="
 939 'quoted-encoded-word)
 940 ; FLAM
 941
 942 (decode
 943 "Subject: =?US-ASCII?Q?a=0D=0A_b?="
 944 "Subject: a=?*US-ASCII?Q?=0D=0A?= b"
 945 'quoted-encoded-word)
 946 ; FLAM
 947
 948 ;;;end-test;;;
 949
 950 (report)
 951
 952 ;----------------------------------------------------------------------------