the condition is prefaced by the character "!" it is negated, and has
to be false for a mail to be selected.
-The time-based conditions use as reference the time indicated in the
-heading From line, and not in the Date: field.
-
.TP
\fBf <regexp>\fR (from)
-selects mails whose leading line From, or fields From:, Sender:,
+selects mails whose leading line 'From', or fields From:, Sender:,
Reply-To:, or Return-Path: matches the regexp.
.TP
\fBt <regexp>\fR (to)
The search in the mail bodies does not decode mimencoding mails, hence
will not catch patterns in encoded text.
-The mbox format is not clear for multipart messages, since the ^"From
-" may not always be quoted properly (at least the ones I use for
+The mbox format is not clear for multipart messages, since the 'From'
+may not always be quoted properly (at least the ones I use for
testing).
-The date format for the ^Date: field is not standardized, and may not
-be parsed properly, in which case the time stamp from the mail leading
-^"From " will be used.
+The date format for the Date: field is not standardized, and may not
+be parsed properly. When that happens, the time stamp from the
+leading 'From' line of the mail, which has a canonical form, is be
+used.
.SH "AUTHOR"