--- a/doc/interpreter/octave.texi	Sat Oct 17 01:04:29 2020 -0700
+++ b/doc/interpreter/octave.texi	Sat Oct 17 01:27:11 2020 -0700
@@ -396,18 +396,25 @@
 
 * Introduction to Function and Script Files::
 * Defining Functions::
+* Returning from a Function::
 * Multiple Return Values::
+* Variable-length Return Lists::
 * Variable-length Argument Lists::
 * Ignoring Arguments::
-* Variable-length Return Lists::
-* Returning from a Function::
 * Default Arguments::
+* Validating Arguments::
 * Function Files::
 * Script Files::
 * Function Handles and Anonymous Functions::
 * Commands::
 * Organization of Functions::
 
+Validating Arguments
+
+* Validating the number of Arguments::
+* Validating the type of Arguments::
+* Parsing Arguments::
+
 Function Files
 
 * Manipulating the Load Path::
@@ -557,6 +564,7 @@
 * Root Properties::
 * Figure Properties::
 * Axes Properties::
+* Legend Properties::
 * Line Properties::
 * Text Properties::
 * Image Properties::
@@ -569,6 +577,7 @@
 * Uicontextmenu Properties::
 * Uipanel Properties::
 * Uicontrol Properties::
+* Uitable Properties::
 * Uitoolbar Properties::
 * Uipushtool Properties::
 * Uitoggletool Properties::
@@ -600,6 +609,7 @@
 Graphics Toolkits
 
 * Customizing Toolkit Behavior::
+* Hardware vs. Software Rendering::
 
 Matrix Manipulation
 
@@ -742,6 +752,7 @@
 * Voronoi Diagrams::
 * Convex Hull::
 * Interpolation on Scattered Data::
+* Vector Rotation Matrices::
 
 Delaunay Triangulation
 
@@ -782,6 +793,7 @@
 * Indexing Objects::
 * Overloading Objects::
 * Inheritance and Aggregation::
+* classdef Classes::
 
 Indexing Objects
 
@@ -794,6 +806,14 @@
 * Operator Overloading::
 * Precedence of Objects::
 
+classdef Classes
+
+* Creating a classdef Class::
+* Properties::
+* Methods::
+* Inheritance::
+* Value Classes vs. Handle Classes::
+
 GUI Development
 
 * I/O Dialogs::