Some findings to share...

 On Tuesday, September 17, 2002 at 4:50:14 PM -0400, Ken Weingold wrote:

> On Tue, Sep 17, 2002, Alain Bench wrote:
>>>> From: "=?iso-8859-1?Q?Jo=E3o_T. _da_Costa?="
>> What mailer generated this header? It's broken: there is a space in
>> the encoded word
> it was Outlook doing it.

    I guess what you quoted was not the original header: The real one
had no space, and no double quotes around, right? It probably was like
this in original mail:

| From: =?iso-8859-1?Q?Jo=E3o_T._da_Costa?= <something>


> It's the tilde-a, though.

    No, it's the unquoted and unencoded dot. It's illegal in this sort
of encoded word (names). Mutt reacts strangely by adding a space just
after the dot. Then it tries to decode the encoded word, but fails
because of the illegal space. It stays displayed in index like that:

| =?iso-8859-1?Q?Jo=E3o_T. _da_Costa?=

    When you reply, Mutt sees only US-Ascii, and because of the dot
encloses the string in double quotes, like this:

| To: "=?iso-8859-1?Q?Jo=E3o_T. _da_Costa?=" <something>

    We're now at what you copy/pasted.


>> With the decode_2047_invalid patch, it appears as [...]

    It appears correctly decoded. Just with a space too much in index.
So this patch can be a workaround: It comes attached.


    Remains 2 questions:

 - Why does Mutt add a space there for display in index.

 - Why doesn't it add a space for display in pager.


    I want to thank Jacek Nowosielski from comp.mail.mutt who gave me
complete and accurate info about this case.


Bye!    Alain.
diff -dur mutt-1.4/rfc2047.c mutt-1.4.mod/rfc2047.c
--- mutt-1.4/rfc2047.c  Sat Apr 20 09:25:49 2002
+++ mutt-1.4.mod/rfc2047.c      Mon Jun 10 19:01:55 2002
@@ -705,7 +707,7 @@
       ;
     if (q[0] != '?' || !strchr ("BbQq", q[1]) || q[2] != '?')
       continue;
-    for (q = q + 3; 0x20 < *q && *q < 0x7f && *q != '?'; q++)
+    for (q = q + 3; 0x20 <= *q && *q < 0x7f && *q != '?'; q++)
       ;
     if (q[0] != '?' || q[1] != '=')
     {
--- PATCHES     Tue Nov  6 19:59:33 2001
+++ PATCHES     Tue Nov  6 19:59:42 2001
@@ -1,0 +1 @@
+patch-1.4.ab.decode_2047_invalid.1

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