Amend env variable info.

docs/_build/man/vdu_controls.1

@@ -27,7 +27,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .\" new: \\n[rst2man-indent\\n[rst2man-indent-level]]
 .in \\n[rst2man-indent\\n[rst2man-indent-level]]u
 ..
-.TH "VDU_CONTROLS" "1" "May 07, 2024" "" "vdu_controls"
+.TH "VDU_CONTROLS" "1" "May 08, 2024" "" "vdu_controls"
 .SH NAME
 vdu_controls \- vdu_controls 1.11.0
 .SH VDU_CONTROLS - A DDC CONTROL PANEL FOR MONITORS
@@ -898,20 +898,23 @@ the controls value to the VDU.  This is a precautionary throttle in case frequen
 updating a VDU might shorten its lifespan.  The default is 0.5 seconds.
 .TP
 .B VDU_CONTROLS_IPINFO_URL
-This variable overrides the default ip\-address to location service URL (\fBhttps://ipinfo.io/json\fP).
+Override the default ip\-address to location service URL (\fBhttps://ipinfo.io/json\fP).
 .TP
 .B VDU_CONTROLS_WTTR_URL
-This variable overrides default weather service URL (\fBhttps://wttr.in\fP).
+Override the default weather service URL (\fBhttps://wttr.in\fP).
 .TP
 .B VDU_CONTROLS_WEATHER_KM
-This variable overrides the default maximum permissible spherical distance (in kilometres)
+Override the default maximum permissible spherical distance (in kilometres)
 between the \fBSettings\fP \fBLocation\fP and \fBwttr.in\fP reported location (\fB200 km\fP, 124 miles).
 .TP
 .B VDU_CONTROLS_DDCUTIL_ARGS
-This variable adds to the list of arguments passed to each exec of ddcutil.
+Add to the list of arguments passed to each exec of ddcutil.
+.TP
+.B VDU_CONTROLS_DDCUTIL_RETRIES
+Set the number of times to repeat a ddcutil getvcp or setvcp before returning an error.
 .TP
 .B VDU_CONTROLS_DEVELOPER
-This variable changes some search paths to be more convenient in a development
+Changes some search paths to be more convenient in a development
 scenario. (\fBno\fP or yes)
 .UNINDENT
 .UNINDENT

docs/_build/man/vdu_controls.1.html

@@ -681,20 +681,23 @@ <h1 id="environment">Environment</h1>
     updating a VDU might shorten its lifespan.  The default is 0.5 seconds.
 
 VDU_CONTROLS_IPINFO_URL
-    This variable overrides the default ip-address to location service URL (``https://ipinfo.io/json``).
+    Override the default ip-address to location service URL (``https://ipinfo.io/json``).
 
 VDU_CONTROLS_WTTR_URL
-    This variable overrides default weather service URL (``https://wttr.in``).
+    Override the default weather service URL (``https://wttr.in``).
 
 VDU_CONTROLS_WEATHER_KM
-    This variable overrides the default maximum permissible spherical distance (in kilometres)
+    Override the default maximum permissible spherical distance (in kilometres)
     between the ``Settings`` ``Location`` and ``wttr.in`` reported location (``200 km``, 124 miles).
 
 VDU_CONTROLS_DDCUTIL_ARGS
-    This variable adds to the list of arguments passed to each exec of ddcutil.
+    Add to the list of arguments passed to each exec of ddcutil.
+
+VDU_CONTROLS_DDCUTIL_RETRIES
+    Set the number of times to repeat a ddcutil getvcp or setvcp before returning an error.
 
 VDU_CONTROLS_DEVELOPER
-    This variable changes some search paths to be more convenient in a development
+    Changes some search paths to be more convenient in a development
     scenario. (``no`` or yes)</code></pre>
 <h1 id="files">Files</h1>
 <pre><code>$HOME/.config/vdu_controls/

vdu_controls.py

@@ -680,20 +680,23 @@
         updating a VDU might shorten its lifespan.  The default is 0.5 seconds.
 
     VDU_CONTROLS_IPINFO_URL
-        This variable overrides the default ip-address to location service URL (``https://ipinfo.io/json``).
+        Override the default ip-address to location service URL (``https://ipinfo.io/json``).
 
     VDU_CONTROLS_WTTR_URL
-        This variable overrides default weather service URL (``https://wttr.in``).
+        Override the default weather service URL (``https://wttr.in``).
 
     VDU_CONTROLS_WEATHER_KM
-        This variable overrides the default maximum permissible spherical distance (in kilometres)
+        Override the default maximum permissible spherical distance (in kilometres)
         between the ``Settings`` ``Location`` and ``wttr.in`` reported location (``200 km``, 124 miles).
 
     VDU_CONTROLS_DDCUTIL_ARGS
-        This variable adds to the list of arguments passed to each exec of ddcutil.
+        Add to the list of arguments passed to each exec of ddcutil.
+
+    VDU_CONTROLS_DDCUTIL_RETRIES
+        Set the number of times to repeat a ddcutil getvcp or setvcp before returning an error.
 
     VDU_CONTROLS_DEVELOPER
-        This variable changes some search paths to be more convenient in a development
+        Changes some search paths to be more convenient in a development
         scenario. (``no`` or yes)
 
 Files