[Tickets #1621] Re: non-ASCII 7-bit message headers not RFC2047-encoded

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Ticket URL: http://bugs.horde.org/ticket/1621
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  Ticket             | 1621
  Updated By         | hiromi at tac.tsukuba.ac.jp
  Summary            | non-ASCII 7-bit message headers not RFC2047-encoded
  Queue              | IMP
  Version            | HEAD
  Type               | Bug
  State              | Resolved
  Priority           | 2. Medium
  Milestone          |
  Patch              |
  Owners             | Michael Slusarz
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hiromi at tac.tsukuba.ac.jp (2008-09-29 22:23) wrote:

Last change of MIME.php has a side-effect in the case of $charset is  
iso-2022-jp,
it encodes us-ascii string too.
This is a sample (User-Agent is Internet Messaging Program (IMP) H3 (4.3)).
---
Content-Type: text/plain;
         charset=ISO-2022-JP;
         DelSp*="iso-2022-jp''Yes";
         format*="iso-2022-jp''flowed"
User-Agent: =?iso-2022-jp?b?SW50ZXJuZXQg?=
         =?iso-2022-jp?b?TWVzc2FnaW5nIA==?= =?iso-2022-jp?b?UHJvZ3JhbSA=?=
         =?iso-2022-jp?b?KElNUCkg?= =?iso-2022-jp?b?SDMg?=
         =?iso-2022-jp?b?KDQuMyk=?=
---

Please check the contents of string like this;
    ((stristr('iso-2022-jp', $charset) && strstr($string, "\x1b\$B"))