Minor change.

* pop3d/extra.c (pop3d_setio): Use the canonic name of the CRLF
filter, instead of the legacy "rfc822".
* imap4d/fetch.c: Likewise.
* imap4d/util.c: Likewise.

@@ -693,7 +693,7 @@ fetch_io (mu_stream_t stream, size_t start, size_t size, size_t max)
   
   size_t n = 0;
 
-  mu_filter_create (&rfc, stream, "rfc822", MU_FILTER_ENCODE,
+  mu_filter_create (&rfc, stream, "CRLF", MU_FILTER_ENCODE,
 		    MU_STREAM_READ|MU_STREAM_SEEK);
   
   if (start == 0 && size == (size_t) -1)

@@ -816,14 +816,14 @@ util_setio (FILE *in, FILE *out)
   if (mu_stdio_stream_create (&tmp, fileno (in), 0))
     imap4d_bye (ERR_NO_IFILE);
   mu_stream_set_buffer (tmp, mu_buffer_line, 1024);
-  mu_filter_create (&istream, tmp, "rfc822", MU_FILTER_DECODE,
+  mu_filter_create (&istream, tmp, "CRLF", MU_FILTER_DECODE,
                     MU_STREAM_READ | MU_STREAM_AUTOCLOSE);
   mu_stream_set_buffer (istream, mu_buffer_line, 1024);
   
   if (mu_stdio_stream_create (&tmp, fileno (out), 0))
     imap4d_bye (ERR_NO_OFILE);
   mu_stream_set_buffer (tmp, mu_buffer_line, 1024);
-  mu_filter_create (&ostream, tmp, "rfc822", MU_FILTER_ENCODE,
+  mu_filter_create (&ostream, tmp, "CRLF", MU_FILTER_ENCODE,
 		    MU_STREAM_WRITE | MU_STREAM_AUTOCLOSE);
   mu_stream_set_buffer (ostream, mu_buffer_line, 1024);
 }

@@ -151,11 +151,12 @@ pop3d_setio (FILE *in, FILE *out)
 
   /* Convert all writes to CRLF form.
      There is no need to convert reads, as the code ignores extra \r anyway.
-     This also installs an extra full buffering, which is needed for TLS
-     code (see below). */
-  if (mu_filter_create (&iostream, str, "rfc822", MU_FILTER_ENCODE,
+  */
+  if (mu_filter_create (&iostream, str, "CRLF", MU_FILTER_ENCODE,
 			MU_STREAM_WRITE | MU_STREAM_RDTHRU))
     pop3d_abquit (ERR_NO_IFILE);
+  /* Change buffering scheme: filter streams are fully buffered by default. */
+  mu_stream_set_buffer (iostream, mu_buffer_line, 1024);
   
   if (pop3d_transcript)
     {