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[Nmh-workers] Changes to mhl.man

2017-03-23 12:31:36
- Refer to environment variables (in text) without preceding $
- Don't put environment variables in bold (as per most other pages)
- Some better formatting

diff --git a/man/mhl.man b/man/mhl.man
index 01a1e641..00ee73b2 100644
--- a/man/mhl.man
+++ b/man/mhl.man
@@ -33,71 +33,63 @@ mhl \- produce formatted listings of nmh messages
 .B mhl
 is an
 .B nmh
-command for filtering and/or displaying text
-messages.  It is the default method of displaying text messages for
+command for filtering and/or displaying text messages.
+It is the default method of displaying text messages for
 .B nmh
 (it is the default
 .IR showproc ).
 .PP
 As with
 .BR more ,
-each of the messages specified as arguments (or
-the standard input) will be output.  If more than one message file is
-specified, the user will be prompted prior to each one, and a <RETURN>
-or <EOT> will begin the output, with <RETURN> clearing the screen (if
-appropriate), and <EOT> (usually CTRL\-D) suppressing the screen clear.
-An <INTERRUPT> (usually CTRL\-C) will abort the current message output,
-prompting for the next message (if there is one), and a <QUIT> (usually
-CTRL-\\) will terminate the program (without core dump).
+each of the messages specified as arguments (or the standard input) will be
+output.  If more than one message file is specified, the user will be
+prompted prior to each one, and a <RETURN> or <EOT> will begin the output,
+with <RETURN> clearing the screen (if appropriate), and <EOT> (usually
+CTRL-D) suppressing the screen clear.  An <INTERRUPT> (usually CTRL-C) will
+abort the current message output, prompting for the next message (if there
+is one), and a <QUIT> (usually CTRL-\) will terminate the program (without
+core dump).
 .PP
 The
 .B \-bell
 option tells
 .B mhl
-to ring the terminal's bell at the
-end of each page, while the
+to ring the terminal's bell at the end of each page, while the
 .B \-clear
 option tells
 .B mhl
-to clear the
-screen at the end of each page (or output a formfeed after each message).
-Both of these switches (and their inverse counterparts) take effect only
-if the profile entry
+to clear the screen at the end of each page (or output a formfeed after
+each message).  Both of these switches (and their inverse counterparts)
+take effect only if the profile entry
 .I moreproc
 is defined but empty, and
 .B mhl
 is outputting to a terminal.  If the
 .I moreproc
-entry is defined and
-non-empty, and
+entry is defined and non-empty, and
 .B mhl
 is outputting to a terminal, then
 .B mhl
-will
-cause the
+will cause the
 .I moreproc
 to be placed between the terminal and
 .B mhl
 and the switches are ignored.  Furthermore, if the
 .B \-clear
 switch is
-used and \fImhl's\fR output is directed to a terminal, then
+used and
+.IR mhl 's
+output is directed to a terminal, then
 .B mhl
-will consult the
-.B $TERM
-and
-.B $TERMCAP
-environment variables
-to determine the user's terminal type in order to find out how to clear
-the screen.  If the
+will consult the TERM and TERMCAP environment variables to determine
+the user's terminal type in order to find out how to clear the screen.
+If the
 .B \-clear
-switch is used and
+switch is given and
 .BR mhl 's
-output is
-not directed to a terminal (e.g., a pipe or a file), then
+output is not directed to a terminal (e.g., a pipe or a file), then
 .B mhl
-will
-send a formfeed after each message.
+will send a formfeed after each message.
 .PP
 To override the default
 .I moreproc
@@ -116,10 +108,9 @@ The
 and
 .B \-width
 .I width
-switches set the screen
-length and width, respectively.  These default to the values indicated by
-.BR $TERMCAP ,
-if appropriate, otherwise they default to 40 and 80, respectively.
+switches set the screen length and width, respectively.
+These default to the values indicated by TERMCAP, if appropriate, otherwise
+they default to 40 and 80, respectively.
 .PP
 The default format file used by
 .B mhl
@@ -130,8 +121,7 @@ will first search for this file in the user's
 .B nmh
 directory, and will then search in the directory
 .IR %nmhetcdir% .
-This default
-can be changed by using the
+This default can be changed by using the
 .B \-form
 .I formatfile
 switch.
@@ -141,14 +131,12 @@ Finally, the
 .I +folder
 switch sets the
 .B nmh
-folder name,
-which is used for the \*(lqmessagename:\*(rq field described below.  The
-environment variable
+folder name, which is used for the \*(lqmessagename:\*(rq field described 
below.
+The environment variable
 .B $mhfolder
-is consulted for the default value,
-which
-.BR show ,
+is consulted for the default value, which
 .BR next ,
+.BR show ,
 and
 .B prev
 initialize appropriately.
@@ -161,7 +149,7 @@ is walked for each message, outputting message information 
under the
 format constraints from the format file.
 .PP
 The format file can contain information controlling screen clearing,
-screen size, wrap\-around control, transparent text, component ordering,
+screen size, wrap-around control, transparent text, component ordering,
 and component formatting.  Also, a list of components to ignore may be
 specified, and a couple of \*(lqspecial\*(rq components are defined
 to provide added functionality.  Message output will be in the order
@@ -177,7 +165,6 @@ variable[,variable...]
 component:[variable,...]
 .fi
 .RE
-.PP
 .IP \(bu 4
 A line beginning with a `;' is a comment, and is ignored.
 .IP \(bu 4
@@ -264,12 +251,12 @@ formatarg string  Argument to format filter
 .fi
 .RE
 .PP
-To specify the value of integer\-valued and string\-valued variables,
-follow their name with an equals\-sign and the value.  Integer\-valued
-variables are given decimal values, while string\-valued variables
-are given arbitrary text bracketed by double\-quotes.  If a value is
+To specify the value of integer-valued and string-valued variables,
+follow their name with an equals-sign and the value.  Integer-valued
+variables are given decimal values, while string-valued variables
+are given arbitrary text bracketed by double-quotes.  If a value is
 suffixed by \*(lq/G\*(rq or \*(lq/L\*(rq, then its value is useful in
-a global\-only or local\-only context (respectively).
+a global-only or local-only context (respectively).
 .PP
 A line of the form:
 .PP
@@ -290,7 +277,7 @@ option to
 The component \*(lqExtras\*(rq will output all of the components of the
 message which were not matched by explicit components, or included in
 the ignore list.  If this component is not specified, an ignore list is
-not needed since all non\-specified components will be ignored.
+not needed since all non-specified components will be ignored.
 .PP
 If \*(lqnocomponent\*(rq is NOT specified, then the component name will
 be output as it appears in the format file.
@@ -305,16 +292,16 @@ The default format file is:
 .PP
 The variable \*(lqformatfield\*(rq specifies a format string (see
 .IR mh\-format (5)).
-The flag variables \*(lqaddrfield\*(rq and
-\*(lqdatefield\*(rq (which are mutually exclusive), tell
+The flag variables \*(lqaddrfield\*(rq and \*(lqdatefield\*(rq
+(which are mutually exclusive), tell
 .B mhl
 to interpret the escapes in the format string as either addresses or
 dates, respectively.
 .PP
 By default,
 .B mhl
-does not apply any formatting string to fields
-containing address or dates (see
+does not apply any formatting string to fields containing address or dates
+(see
 .IR mh\-mail (5)
 for a list of these
 fields).  Note that this results in faster operation since
@@ -322,13 +309,12 @@ fields).  Note that this results in faster operation since
 must parse both addresses and dates in order to apply a format string
 to them.  If desired,
 .B mhl
-can be given a default format string for
-either address or date fields (but not both).  To do this, on a global
-line specify: either the flag addrfield or datefield, along with the
-appropriate formatfield variable string.
+can be given a default format string for either address or date fields
+(but not both).  To do this, on a global line specify: either the flag
+addrfield or datefield, along with the appropriate formatfield variable string.
 .PP
 The \*(lqformat\*(rq flag specifies that this component will be run through
-the filter program specified by the 
+the filter program specified by the
 .IR formatproc
 profile entry.  This filter program is expected to read data on standard
 input and output data on standard output.  Currently the \*(lqformat\*(rq
@@ -356,7 +342,7 @@ profile entry.
 The
 .I formatarg
 option specifies a string that is used as an argument to the format filter.
-This string is processed by 
+This string is processed by
 .IR mh\-format (5)
 and all of the message components are available for use.  Multiple
 .I formatarg
@@ -392,7 +378,7 @@ options can be used to build up multiple arguments to the 
format filter.
 .SH CONTEXT
 None
 .SH BUGS
-There should be some way to pass `bell' and `clear' information to the 
+There should be some way to pass `bell' and `clear' information to the
 front\-end.
 .PP
 The \*(lqnonewline\*(rq option interacts badly with \*(lqcompress\*(rq

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