+This patch blacklist text/html from the list of documents that will be
+shown automatically, the patch (the muttlib.c part) has been written by
+Loïc Minier <lool@dooz.org>, I've added the documentation bit.
+
+The patch has been forwarded upstream originally by Loïc on:
+http://bugs.mutt.org/3496.
+
+The original Debian bug for this problem is http://bugs.debian.org/611410
+
+--- a/init.h
++++ b/init.h
+@@ -1211,7 +1211,9 @@
+ ** ``\fCcopiousoutput\fP'' flag set for \fIevery\fP MIME attachment it doesn't have
+ ** an internal viewer defined for. If such an entry is found, mutt will
+ ** use the viewer defined in that entry to convert the body part to text
+- ** form.
++ ** form. MIME attachments with 'text' types, with the only exception
++ ** of text/html, are excluded: they will be shown as they are unless auto_view
++ ** is specified.
+ */
+ { "include", DT_QUAD, R_NONE, OPT_INCLUDE, M_ASKYES },
+ /*
+--- a/muttlib.c
++++ b/muttlib.c
+@@ -658,6 +658,9 @@
+ switch (m->type)
+ {
+ case TYPETEXT:
++ /* we don't want to display text/html */
++ if (!ascii_strcasecmp ("html", m->subtype))
++ return 1;
+ /* we can display any text, overridable by auto_view */
+ return 0;
+ break;