Fix invalid pointer arithmetic.

[nmh] / man / sortm.man

diff --git a/man/sortm.man b/man/sortm.man
index 4d0344613b7157d0772b1fcca85392e010d19fa3..9c556417bcc13388a3534876a60e94549fcee93b 100644 (file)
--- a/man/sortm.man
+++ b/man/sortm.man
@@ -1,16 +1,18 @@
-.TH SORTM %manext1% "October 11, 2012" "%nmhversion%"
-.\"
+.TH SORTM %manext1% 2014-03-23 "%nmhversion%"
+.

 .\" %nmhwarning%
 .\" %nmhwarning%

-.\"
+.

 .SH NAME
 .SH NAME

-sortm \- sort messages
+sortm \- sort nmh messages

 .SH SYNOPSIS
 .HP 5
 .na
 .B sortm
 .SH SYNOPSIS
 .HP 5
 .na
 .B sortm

+.RB [ \-help ]
+.RB [ \-version ]

 .RI [ +folder ]
 .RI [ msgs ]
 .RI [ +folder ]
 .RI [ msgs ]

-.RB [ \-all | \-noall ]
+.RB [ \-all " | " \-noall ]

 .RB [ \-datefield
 .IR field ]
 .RB [ \-textfield
 .RB [ \-datefield
 .IR field ]
 .RB [ \-textfield


@@ -19,12 +21,11 @@ sortm \- sort messages
 .RB [ \-limit
 .IR days ]
 .RB [ \-nolimit ]
 .RB [ \-limit
 .IR days ]
 .RB [ \-nolimit ]

+.RB [ \-check " | " \-nocheck ]

 .RB [ \-verbose " | " \-noverbose ]
 .RB [ \-verbose " | " \-noverbose ]

-.RB [ \-version ]
-.RB [ \-help ]

 .ad
 .SH DESCRIPTION
 .ad
 .SH DESCRIPTION

-.B Sortm
+.B sortm

 sorts the specified messages in the named folder according
 to the chronological order of the \*(lqDate:\*(rq field of each message.
 .PP
 sorts the specified messages in the named folder according
 to the chronological order of the \*(lqDate:\*(rq field of each message.
 .PP


@@ -35,7 +36,7 @@ switch is enabled, then
 .B sortm
 reports that as an error and exits with non-zero status.
 .B \-noall
 .B sortm
 reports that as an error and exits with non-zero status.
 .B \-noall

-is most useful in the user's profile, to avoid inadvertant sorting of
+is most useful in the user's profile, to avoid inadvertent sorting of

 an entire folder.  The
 .B \-all
 switch can then be used on the command line to disable it.  Of course,
 an entire folder.  The
 .B \-all
 switch can then be used on the command line to disable it.  Of course,


@@ -71,7 +72,7 @@ switch causes
 .B sortm
 to sort messages by the specified text field.  All characters except
 letters and numbers are stripped and the resulting strings are sorted
 .B sortm
 to sort messages by the specified text field.  All characters except
 letters and numbers are stripped and the resulting strings are sorted

-datefield\-major, textfield\-minor, using a case insensitive
+datefield-major, textfield-minor, using a case insensitive

 comparison.  If this field is \*(lqsubject\*(rq, any leading "re:" is
 stripped off.
 .PP
 comparison.  If this field is \*(lqsubject\*(rq, any leading "re:" is
 stripped off.
 .PP


@@ -89,7 +90,7 @@ makes the limit infinity.
 With
 .B \-limit
 .IR 0 ,
 With
 .B \-limit
 .IR 0 ,

-the sort is instead simply textfield\-major.
+the sort is instead simply textfield-major.

 .PP
 For example, to order a folder by date-major, grouping messages with
 the same subject on the same date together, use:
 .PP
 For example, to order a folder by date-major, grouping messages with
 the same subject on the same date together, use:


@@ -97,11 +98,28 @@ the same subject on the same date together, use:
 .RS 5
 sortm -textfield subject +folder
 .RE
 .RS 5
 sortm -textfield subject +folder
 .RE

+.PP
+.B sortm
+always issues a warning for each message that is missing a
+\*(lqDate:\*(rq field, has a \*(lqDate:\*(rq field that cannot be
+parsed, or has a format error in any header field.  With the
+.B \-check
+switch,
+.B sortm
+inhibits all modifications to the folder if there are any such
+messages, and exits with non-zero status.  With the default of
+.BR \-nocheck ,
+.B sortm
+sorts messages with a missing or invalid
+\*(lqDate:\*(rq field using their file modification times.
+.PP
+When ordering messages based on their dates, if they have the same
+dates, their original message order is preserved.

 .SH FILES
 .fc ^ ~
 .nf
 .SH FILES
 .fc ^ ~
 .nf

-.ta \w'%etcdir%/ExtraBigFileName  'u
-^$HOME/\&.mh\(ruprofile~^The user profile
+.ta \w'%nmhetcdir%/ExtraBigFileName  'u
+^$HOME/.mh_profile~^The user profile

 .fi
 .SH "PROFILE COMPONENTS"
 .fc ^ ~
 .fi
 .SH "PROFILE COMPONENTS"
 .fc ^ ~


@@ -122,6 +140,7 @@ sortm -textfield subject +folder
 .RB ` \-notextfield '
 .RB ` \-noverbose '
 .RB ` \-nolimit '
 .RB ` \-notextfield '
 .RB ` \-noverbose '
 .RB ` \-nolimit '

+.RB ` \-nocheck '

 .fi
 .SH CONTEXT
 If a folder is given, it will become the current folder.  If the current
 .fi
 .SH CONTEXT
 If a folder is given, it will become the current folder.  If the current


@@ -134,7 +153,7 @@ Timezones used to be ignored when comparing dates: they aren't any more.
 Messages which were in the folder, but not specified by `msgs', used to
 be moved to the end of the folder; now such messages are left untouched.
 .PP
 Messages which were in the folder, but not specified by `msgs', used to
 be moved to the end of the folder; now such messages are left untouched.
 .PP

-.B Sortm
+.B sortm

 sometimes did not preserve the message numbering in a folder
 (e.g., messages 1, 3, and 5, might have been renumbered to 1, 2, 3 after
 sorting).  This was a bug, and has been fixed.  To compress the message
 sometimes did not preserve the message numbering in a folder
 (e.g., messages 1, 3, and 5, might have been renumbered to 1, 2, 3 after
 sorting).  This was a bug, and has been fixed.  To compress the message


@@ -142,23 +161,11 @@ numbering in a folder, use
 .RB \*(lq "folder\ \-pack" \*(rq
 as always.
 .SH BUGS
 .RB \*(lq "folder\ \-pack" \*(rq
 as always.
 .SH BUGS

-If
-.B sortm
-encounters a message without a date\-field, or if the
-message has a date\-field that
-.B sortm
-cannot parse, then
-.B sortm
-attempts to keep the message in the same relative position.  This does
-not always work.  For instance, if the first message encountered lacks
-a date which can be parsed, then it will usually be placed at the end
-of the messages being sorted.
-.PP

 When
 .B sortm
 complains about a message which it can't temporally
 order, it complains about the message number
 When
 .B sortm
 complains about a message which it can't temporally
 order, it complains about the message number

-.B prior
+.I prior

 to sorting.
 It should indicate what the message number will be
 .B after
 to sorting.
 It should indicate what the message number will be
 .B after