hardware, logic, storage nodes info updates

(and udp)

nodes/core/hardware/36-rpi-gpio.html

@@ -64,9 +64,10 @@
 </script>
 
 <script type="text/x-red" data-help-name="rpi-gpio in">
-    <p>Raspberry Pi input node. Generates a <b>msg.payload</b> with either a 0 or 1 depending on the state of the input pin. Requires the gpio command to work.</p>
+    <p>Raspberry Pi input node. Generates a <code>msg.payload</code> with either a
+    0 or 1 depending on the state of the input pin.</p>
     <p>You may also enable the input pullup resistor or the pulldown resistor.</p>
-    <p>The <b>msg.topic</b> is set to <i>pi/{the pin number}</i></p>
+    <p>The <code>msg.topic</code> is set to <i>pi/{the pin number}</i></p>
     <p>Requires the RPi.GPIO python library version 0.5.10 (or better) in order to work.</p>
     <p><b>Note:</b> we are using the actual physical pin numbers on connector P1 as they are easier to locate.</p>
     </script>
@@ -203,8 +204,9 @@
 </script>
 
 <script type="text/x-red" data-help-name="rpi-gpio out">
-    <p>Raspberry Pi output node. Expects a <b>msg.payload</b> with either a 0 or 1 (or true or false). Requires the gpio command to work.</p>
+    <p>Raspberry Pi output node. Can be used in Digital, PWM or Servo modes.
-    <p>Will set the selected physical pin high or low depending on the value passed in.</p>
+    <p>Digital mode expects a <code>msg.payload</code> with either a 0 or 1 (or true or false),
+    and will set the selected physical pin high or low depending on the value passed in.</p>
     <p>The initial value of the pin at deploy time can also be set to 0 or 1.</p>
     <p>When using PWM mode - expects an input value of a number 0 - 100. It can be floating point.</p>
     <p>PWM mode can be used to drive a servo using input values between 10 and 20 only.
@@ -339,12 +341,12 @@
 
 <script type="text/x-red" data-help-name="rpi-mouse">
     <p>Raspberry Pi mouse button node. Requires a USB mouse.</p>
-    <p>Generates a <b>msg.payload</b> with
+    <p>Generates a <code>msg.payload</code> with
     either a 1 or 0 when the selected mouse button is pressed and released</p>
-    <p>Also sets <b>msg.button</b> to the code value
+    <p>Also sets <code>msg.button</code> to the code value
     <ul><li>1 = left</li><li>2 = right</li><li>4 = middle</li></ul>
     so you can work out which button or combination was pressed.</p>
-    <p>And sets <b>msg.topic</b> to <i>pi/mouse</i>.</p>
+    <p>And sets <code>msg.topic</code> to <i>pi/mouse</i>.</p>
 </script>
 
 <script type="text/javascript">
@@ -381,9 +383,9 @@
 
 <script type="text/x-red" data-help-name="rpi-keyboard">
     <p>Raspberry Pi keyboard handling node. Requires a USB keyboard.</p>
-    <p>Generates a <b>msg.payload</b> with a keycode, and <b>msg.action</b> set to
+    <p>Generates a <code>msg.payload</code> with a keycode, and <code>msg.action</code> set to
     <i>up, down</i> or <i>repeat</i> whenever a key is pressed or released.</p>
-    <p>It also sets <b>msg.topic</b> to <i>pi/key</i>.</p>
+    <p>It also sets <code>msg.topic</code> to <i>pi/key</i>.</p>
 </script>
 
 <script type="text/javascript">

nodes/core/io/32-udp.html

@@ -60,7 +60,7 @@
     Buffer, string, or base64 encoded string. Supports multicast.</p>
     <p>It also provides <code>msg.ip</code> and <code>msg.port</code> set to the
     ip address and port from which the message was received.</p>
-    <p>On some systems you may need to be root to use ports below 1024 and/or broadcast.</p>
+    <p><b>Note</b>: On some systems you may need to be root to use ports below 1024 and/or broadcast.</p>
 </script>
 
 <script type="text/javascript">
@@ -166,10 +166,9 @@
 
 <script type="text/x-red" data-help-name="udp out">
     <p>This node sends <code>msg.payload</code> to the designated UDP host and port. Supports multicast.</p>
-    <p>You may also use <code>msg.ip</code> and <code>msg.port</code> to set the destination values.<br/>
+    <p>You may also use <code>msg.ip</code> and <code>msg.port</code> to set the destination values, but the statically configured values have precedence.</p>
-    <b>Note</b>: the statically configured values have precedence.</p>
     <p>If you select broadcast either set the address to the local broadcast ip address, or maybe try 255.255.255.255, which is the global broadcast address.</p>
-    <p>On some systems you may need to be root to use ports below 1024 and/or broadcast.</p>
+    <p><b>Note</b>: On some systems you may need to be root to use ports below 1024 and/or broadcast.</p>
 </script>
 
 <script type="text/javascript">

nodes/core/logic/10-switch.html

@@ -43,7 +43,7 @@
     <p>When a message arrives, the selected property is evaluated against each
     of the defined rules. The message is then sent to the output of <i>all</i>
     rules that pass.</p>
-    <p>Note: the <i>otherwise</i> rule applies as a "not any of" the rules preceding it.</p>
+    <p><b>Note</b>: the <i>otherwise</i> rule applies as a "not any of" the rules preceding it.</p>
 </script>
 
 <script type="text/javascript">

nodes/core/storage/28-tail.html

@@ -33,7 +33,7 @@
 
 <script type="text/x-red" data-help-name="tail">
     <p>Tails (watches for things to be added) to the configured file. (Linux/Mac ONLY)</p>
-    <p>This won't work on Windows filesystems, as it relies on the tail -F command.</p>
+    <p>This won't work on Windows filesystems, as it relies on the <b>tail -F</b> command.</p>
 </script>
 
 <script type="text/javascript">

nodes/core/storage/50-file.html

@@ -44,11 +44,12 @@
 </script>
 
 <script type="text/x-red" data-help-name="file">
-    <p>Writes <b>msg.payload</b> to the file specified, e.g. to create a log.</p>
+    <p>Writes <code>msg.payload</code> to the file specified, for example to create a log.</p>
-    <p>The filename can be configured in the node, if left blank it should be set in an incoming message on <b>msg.filename</b>.</p>
+    <p>The filename can be configured in the node. If left blank it should be
+    set by <code>msg.filename</code> on the incoming message.</p>
     <p>A newline is added to every message. But this can be turned off if required, for example, to allow binary files to be written.</p>
     <p>The default behaviour is to append to the file. This can be changed to overwrite the file each time, for example if you want to output a "static" web page or report.</p>
-    <p>This node can also be configured to delete a file if required. <i>Note:</i> Using msg.delete is now deprecated.</p>
+    <p>This node can also be configured to delete a file if required.</p>
 </script>
 
 <script type="text/x-red" data-template-name="file in">