Fix path to dox example directories.

docs/refmans/gui/viselements/generic/pane.md_template

@@ -53,7 +53,7 @@ detailed in the examples below:
 
 # Usage
 
-## Showing or hiding a pane {data-source="gui:doc/examples/blocks/pane-simple/"}
+## Showing or hiding a pane {data-source="gui:doc/examples/blocks/pane_simple/"}
 
 Here is a simple application that shows a page with a button that a user can click to open the
 pane.
@@ -121,7 +121,7 @@ Here is how the page shows before and after the open button is pressed:
 
 The pane closes when the user clicks on the original page area.
 
-## Showing or hiding (simplified)  {data-source="gui:doc/examples/blocks/pane-simple-lambda/"}
+## Showing or hiding (simplified)  {data-source="gui:doc/examples/blocks/pane_simple_lambda/"}
 
 The previous section explains how to use the `on_action` callback to open the pane when a button is
 pressed. Because the action is so simple (setting a variable to True), this can be simplified using
@@ -165,7 +165,7 @@ Here is an alternative page definition:
 We set the *on_action* property of the button control to a lambda function that sets the variable
 *show_pane* to true, so the definition of the callback function is no longer needed.
 
-## Choosing where the pane appears {data-source="gui:doc/examples/blocks/pane-anchor/"}
+## Choosing where the pane appears {data-source="gui:doc/examples/blocks/pane_anchor/"}
 
 The [*anchor*](#p-anchor) property defines which side of the page the pane is shown on.
 
@@ -208,7 +208,7 @@ is visible:
   <figcaption>Pane anchored to the top</figcaption>
   </figure>
 
-## Showing the pane beside the page content {data-source="gui:doc/examples/blocks/pane-persistent/"}
+## Showing the pane beside the page content {data-source="gui:doc/examples/blocks/pane_persistent/"}
 
 The pane is shown beside the page content instead of over it if the [*persistent*](#p-persistent)
 property evaluates to True.
@@ -279,7 +279,7 @@ Here is how the page appears when the pane is opened or closed:
     </figure>
   </div>
 
-## Pane from a page definition {data-source="gui:doc/examples/blocks/pane-as-page/"}
+## Pane from a page definition {data-source="gui:doc/examples/blocks/pane_as_page/"}
 
 The content of the pane can be specified as an existing page using the [*page*](#p-page) property,
 which can be set to a page name. This can be useful when the pane content definition is complex or

docs/refmans/gui/viselements/generic/progress.md_template

@@ -3,11 +3,6 @@ A control that can show the progression of some operation.
 
 # Details
 
-The progress indicator represents, in a compact way, the ratio of an achievement on a scale from 0
-to 100 percent.<br/>
-It is useful in situations where a lengthy process is underway, and the application needs to reflect
-how much of the task has been completed at any given moment.
-
 The progress indicator represents, in a compact way, the ratio of achievement on a scale from 0 to
 100 percent.<br/>
 It is useful in situations where a lengthy process is underway, and the application needs to reflect
@@ -23,6 +18,9 @@ to True.<br/>
 The control can also display a title (using the [*title*](#p-title)) that can be displayed at
 different locations, depending on the setting of the [*title_anchor*](#p-title_anchor) property.
 
+Note that is the [*value*](#p-value) property is set to None, the progress control shows an
+*indeterminate* state.
+
 # Usage
 
 ## Circular progress indicator {data-source="gui:doc/examples/controls/progress-simple.py"}
@@ -94,7 +92,7 @@ class name to select the date selectors on your page and apply style.
 Circular and linear progress indicators have slightly different implementations, impacting how
 styling must be defined.
 
-## Circular indicator {data-source="gui:doc/examples/controls/progress-styling-circular/"}
+## Circular indicator {data-source="gui:doc/examples/controls/progress_styling_circular/"}
 
 The implementation of the progress control is based on the
 [MUI CircularProgress](https://mui.com/material-ui/react-progress/#circular) component.<br/>
@@ -124,7 +122,7 @@ Here is the impact of this rule:
     </figure>
   </div>
 
-## Linear indicator {data-source="gui:doc/examples/controls/progress-styling-linear/"}
+## Linear indicator {data-source="gui:doc/examples/controls/progress_styling_linear/"}
 
 The linear version of the progress control relies on the
 [MUI LinearProgress](https://mui.com/material-ui/react-progress/#linear) component.<br/>