gpspipe: update man page to match current program.

1 files changed, 22 insertions, 16 deletions

diff --git a/man/gpspipe.xml b/man/gpspipe.xml
index 9c5da4f3..e522bba6 100644
--- a/man/gpspipe.xml
+++ b/man/gpspipe.xml
@@ -8,7 +8,7 @@ SPDX-License-Identifier: BSD-2-clause
    "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd">
 <refentry id='gpspipe.1'>
  <refentryinfo>
-  <date>17 Jun 2018</date>
+  <date>14 Dec 2018</date>
  </refentryinfo>
  <refmeta>
   <refentrytitle>gpspipe</refentrytitle>
@@ -24,28 +24,27 @@ SPDX-License-Identifier: BSD-2-clause
   <cmdsynopsis>
    <command>gpspipe</command>
    <arg choice='opt'>-2</arg>
+   <arg choice='opt'>-?</arg>
    <arg choice='opt'>-d</arg>
-   <arg choice='opt'>-D <replaceable>debug-level</replaceable>
-   </arg>
+   <arg choice='opt'>-D <replaceable>debug-level</replaceable></arg>
    <arg choice='opt'>-h</arg>
    <arg choice='opt'>-l</arg>
-   <arg choice='opt'>-n <replaceable>count</replaceable>
-   </arg>
-   <arg choice='opt'>-o <replaceable>filename</replaceable>
-   </arg>
+   <arg choice='opt'>-n <replaceable>count</replaceable></arg>
+   <arg choice='opt'>-o <replaceable>filename</replaceable></arg>
    <arg choice='opt'>-p</arg>
+   <arg choice='opt'>-P</arg>
    <arg choice='opt'>-r</arg>
    <arg choice='opt'>-R</arg>
    <arg choice='opt'>-S</arg>
-   <arg choice='opt'>-s <replaceable>serial-device</replaceable>
-   </arg>
+   <arg choice='opt'>-s <replaceable>serial-device</replaceable></arg>
    <arg choice='opt'>-t</arg>
-   <arg choice='opt'>-T <replaceable>timestamp-format</replaceable>
-   </arg>
+   <arg choice='opt'>-T <replaceable>timestamp-format</replaceable></arg>
    <arg choice='opt'>-u</arg>
    <arg choice='opt'>-v</arg>
+   <arg choice='opt'>-V</arg>
    <arg choice='opt'>-w</arg>
-   <arg choice='opt'>-x</arg>
+   <arg choice='opt'>-x <replaceable>seconds</replaceable></arg>
+   <arg choice='opt'>-Z</arg>
    <group>
     <replaceable>server</replaceable>
     <group>
@@ -84,7 +83,10 @@ requires the -o flag for writing the output to a file.</para>
   <title>OPTIONS</title>
   <para>-2 sets the split24 flag on AIS reports. Note: this option
 is experimental and may be changed or removed in a future release.</para>
+  <para>-? makes <application>gpspipe</application> print
+a usage message and exit.</para>
   <para>-d causes <application>gpspipe</application> to run as a daemon.</para>
+  <para>-D [debug-level] set debug level..</para>
   <para>-h makes <application>gpspipe</application> print
 a usage message and exit.</para>
   <para>-l causes <application>gpspipe</application> to sleep for ten
@@ -93,7 +95,7 @@ when running as a daemon, giving gpsd time to start before
 attempting a connection.</para>
   <para>-n [count] causes [count] sentences to be output.
 <application>gpspipe</application> will then exit gracefully.</para>
-  <para>-o option causes the collected data to be written to the
+  <para>-o [filename] option causes the collected data to be written to the
 specified file.  Use of this option is mandatory
 if <application>gpspipe</application> is run as a daemon.</para>
   <para>-p enables dumping of profiling information in JSON.</para>
@@ -106,8 +108,9 @@ specified serial device with settings 4800 8N1.  Thus
 <application>gpspipe</application> can be used with -s and -r options
 to emulate a serial port hardwired to a GPS that
 <application>gpsd</application> is managing.</para>
-  <para>-S sets the scaled flag.</para>
-  <para>-t adds a timestamp to each sentence output.</para>
+  <para>-S sets the scaled flag.  This is for AIS and subframe data, but
+currently appears to do nothing.</para>
+  <para>-t adds a UTC timestamp to each sentence output.</para>
   <para>-T sets the format of the timestamp. See
 <citerefentry>
     <refentrytitle>strftime</refentrytitle>
@@ -115,7 +118,8 @@ to emulate a serial port hardwired to a GPS that
    </citerefentry>
 for the available placeholders. Setting this option implies -t.
 Default setting is "%F %T"</para>
-  <para>-u usec resolution time stamp, implies -t. Use -uu to output sec.usec.</para>
+  <para>-u usec resolution time stamp, implies -t. Use -uu to output
+ sec.usec.</para>
   <para>-v causes <application>gpspipe</application> to show a spinning
 activity indicator on stderr. This is useful if stdout is redirected
 into a file or a pipe. By default the spinner is advanced with every
@@ -125,7 +129,9 @@ of messages required to rotate the spinner.</para>
   <para>-w causes native <application>gpsd</application> sentences to be
 output.</para>
   <para>-x [seconds] Exit after delay of [seconds].</para>
+  <para>-Z sets the timestamp format iso8601: implies '-t'</para>
   <para>At least one of -R, -r or -w must be specified.</para>
+  <para>You must use -o if you use -d.</para>
  </refsect1>
  <refsect1 id='exampletitle'>
   <title>EXAMPLES</title>