<save-message>!<Enter> \
"Move current message to inbox"
-macro index,pager <Esc>h \
+macro index,pager,attach <Esc>h \
":auto_view text/html<Enter>" \
"View HTML attachments"
-macro index,pager <Esc>H \
+macro index,pager,attach <Esc>H \
":unauto_view text/html<Enter>" \
"Don't show HTML attachments"