also document old default settings

doc/fluidsettings.xml

@@ -47,7 +47,7 @@ Developers:
         <setting>
             <name>chorus.depth</name>
             <type>num</type>
-            <def>4.25</def>
+            <def>4.25 (since version 2.4.0),<br />8.0 (2.3.x and older)</def>
             <min>0.0</min>
             <max>256.0</max>
             <realtime/>
@@ -57,7 +57,8 @@ Developers:
         <setting>
             <name>chorus.level</name>
             <type>num</type>
-            <def>0.6</def>
+            <def>0.6 (since version 2.4.0),<br />2.0 (2.3.x and older)</def>
+            <def></def>
             <min>0.0</min>
             <max>10.0</max>
             <realtime/>
@@ -77,7 +78,7 @@ Developers:
         <setting>
             <name>chorus.speed</name>
             <type>num</type>
-            <def>0.2</def>
+            <def>0.2 (since version 2.4.0),<br />0.3 (2.3.x and older)</def>
             <min>0.1</min>
             <max>5.0</max>
             <realtime/>
@@ -140,7 +141,7 @@ Developers:
         <setting>
             <name>gain</name>
             <type>num</type>
-            <def>0.6</def>
+            <def>0.6 (since version 2.4.0),<br />0.2 (2.3.x and older)</def>
             <min>0.0</min>
             <max>10.0</max>
             <realtime/>
@@ -312,7 +313,7 @@ Developers:
         <setting>
             <name>reverb.damp</name>
             <type>num</type>
-            <def>0.3</def>
+            <def>0.3 (since version 2.4.0),<br />0.0 (2.3.x and older)</def>
             <min>0.0</min>
             <max>1.0</max>
             <realtime/>
@@ -322,7 +323,7 @@ Developers:
         <setting>
             <name>reverb.level</name>
             <type>num</type>
-            <def>0.7</def>
+            <def>0.7 (since version 2.4.0),<br />0.9 (2.3.x and older)</def>
             <min>0.0</min>
             <max>1.0</max>
             <realtime/>
@@ -332,7 +333,7 @@ Developers:
         <setting>
             <name>reverb.room-size</name>
             <type>num</type>
-            <def>0.5</def>
+            <def>0.5 (since version 2.4.0),<br />0.2 (2.3.x and older)</def>
             <min>0.0</min>
             <max>1.0</max>
             <realtime/>
@@ -342,7 +343,7 @@ Developers:
         <setting>
             <name>reverb.width</name>
             <type>num</type>
-            <def>0.8</def>
+            <def>0.8 (since version 2.4.0),<br />0.5 (2.3.x and older)</def>
             <min>0.0</min>
             <max>100.0</max>
             <realtime/>