Improve doc for speed units in unicsv.

diff --git a/xmldoc/formats/unicsv.xml b/xmldoc/formats/unicsv.xml
index 093619af4c380ee35abf2efd686f64417df5a4cf..64a7c13bc2da2cacc4fec3f8f46bca07beef4eb3 100644 (file)
--- a/xmldoc/formats/unicsv.xml
+++ b/xmldoc/formats/unicsv.xml
@@ -51,7 +51,7 @@
       power =    Cycling power (in Watts)
       prox =     Proximity (in meters).  Add "ft" or "feet" for feet.
       sat =      Number of sats used for fix
-      speed =    Speed, in meters per second.
+      speed =    Speed, in meters per second. (See below)
       symb =     Symbol (icon) name
       tempf =    Temperature (degrees Fahrenheit)
       temp =     Temperature (degrees Celsius)
@@ -116,3 +116,15 @@
      2,"GC1A37",36.090683,-86.679550,"The Troll by a182pilot & Family",,
    </screen>
 </para>
+
+<para>
+For speed, a units specifier can be added to override the default. Here
+are some values, but check parse_speed() in parse.cc for the authoritative
+list.
+<itemizedlist>
+<listitem><para>m/s, mps: meters per second</para></listitem>
+<listitem><para>km/h, kmh: kilometers per hour</para></listitem>
+<listitem><para>kt, knots: knots</para></listitem>
+<listitem><para>mph, mi/h, mih: miles per hour</para></listitem>
+</itemizedlist>
+</para>