JAL-4036 Added text to help about different number and date range acceptable formats

[jalview.git] / help / help / html / features / featuresettings.html

diff --git a/help/help/html/features/featuresettings.html b/help/help/html/features/featuresettings.html
index 408cdc2..ad6627b 100755 (executable)
--- a/help/help/html/features/featuresettings.html
+++ b/help/help/html/features/featuresettings.html
@@ -29,7 +29,7 @@
        <p>
                Select <strong>View&#8594;Feature Settings...</strong> in an alignment
                window to open the feature settings dialog box, which allows
-               precise control the visibility and appearance of sequence features for
+               precise control of the visibility and appearance of sequence features for
                an alignment view.
        </p>
        <div align="center">
@@ -39,7 +39,7 @@
        <p>The top section of the dialog box lists all the sequence feature
                groups, along with a tickbox for each that controls whether its
                features are displayed. When many groups are present, their names may
-               be truncated, but the full name be shown in a tooltip when the mouse
+               be truncated, but the full name is shown in a tooltip when the mouse
                hovers over their checkbox.</p>
                <p><em>Feature colour schemes and filters</em>
        <p>
@@ -99,14 +99,14 @@
         columns by feature</strong></a>
   </p>
   <p>
-    Double-clicking a <strong>feature type</strong> in the <strong>Feature
-      Settings</strong> dialog allows you to select columns in the alignment that
-    contain (or do not contain) features of that type that are currently visible (e.g. not filtered out or excluded due to an applied colour scheme threshold). If a region of the
-    alignment is currently selected, then only features in the current
-    selection will be searched. The following keys affect the way in which
-    selections are made:
-  
-  <ul>
+               Double-clicking a <strong>feature type</strong> in the <strong>Feature
+                       Settings</strong> dialog allows you to select columns in the
+               alignment that contain (or do not contain) features of that type that
+               are currently visible (e.g. not filtered out or otherwise excluded due
+               to an applied colour scheme threshold). If a region of the alignment
+               is currently selected, then only features in the current selection
+               will be searched. The following keys affect the way in which
+               selections are made:<ul>
     <li>Hold down <strong>Alt</strong> to select columns not
       containing features of a particular type.
     </li>
@@ -123,11 +123,18 @@
   </p>
   <p>
     <strong><a name="sortbyfeature">Ordering alignment by
-        features</a></strong></p><p>The 'Seq Sort by Score' and 'Seq Sort by
-    Density' buttons will sort the alignment based on the average score
-    or total number of currently active features and groups on each
-    sequence. To order the alignment using a specific feature type, use
-    the <em>sort by ..</em> entries in the pop-up menu for that type.<br>
+        features</a></strong>
+  </p>
+  <p>
+    The 'Seq Sort by Score' and 'Seq Sort by Density' buttons will sort
+    the alignment based on the average score or total number of
+    currently active features and groups on each sequence. A dialog box
+    is shown if there are no features to use for sorting sequences. To
+    order the alignment using a specific feature type, use the
+    <em>sort by ..</em> entries in the pop-up menu for that type.<br> <br>When
+    a selected region exists, only features lying within the columns
+    containing the selected region will be considered, but all sequences
+    (including those not selected) will be reordered.
     <em>Feature sorting and graduated feature colouring were
       introduced in Jalview 2.5</em>
   </p>