Update runtime files.
diff --git a/runtime/doc/debugger.txt b/runtime/doc/debugger.txt
index ebaa946..47c017d 100644
--- a/runtime/doc/debugger.txt
+++ b/runtime/doc/debugger.txt
@@ -1,4 +1,4 @@
-*debugger.txt*  For Vim version 8.2.  Last change: 2019 Jul 06
+*debugger.txt*  For Vim version 8.2.  Last change: 2019 Dec 21
 
 
 		  VIM REFERENCE MANUAL    by Gordon Prieur
@@ -12,8 +12,6 @@
 
 1. Debugger Features		|debugger-features|
 2. Vim Compile Options		|debugger-compilation|
-3. Integrated Debuggers		|debugger-integration|
-
 
 ==============================================================================
 1. Debugger Features					*debugger-features*
@@ -114,10 +112,10 @@
 ==============================================================================
 2. Vim Compile Options					*debugger-compilation*
 
-The debugger features were added explicitly for use with Sun's Visual
-WorkShop Integrated Programming Environment (ipe).  However, they were done
-in as generic a manner as possible so that integration with other debuggers
-could also use some or all of the tools used with Sun's ipe.
+The debugger features were added for use with Sun's Visual WorkShop Integrated
+Programming Environment (ipe).  However, they were done in as generic a manner
+as possible so that integration with other debuggers could also these
+features.
 
 The following compile time preprocessor variables control the features:
 
@@ -127,18 +125,10 @@
     Message Footer				FEAT_FOOTER
     Balloon Evaluation				FEAT_BEVAL
 
-The first integration with a full IPE/IDE was with Sun Visual WorkShop.  To
-compile a gvim which interfaces with VWS set the following flag, which sets
-all the above flags:
-
-    Sun Visual WorkShop				FEAT_SUN_WORKSHOP
-
-==============================================================================
-3. Integrated Debuggers					*debugger-integration*
-
-One fully integrated debugger/IPE/IDE is Sun's Visual WorkShop Integrated
-Programming Environment.
+The support specifically for Sun Visual WorkShop has been removed, since the
+product no longer exists.
 
 For Sun NetBeans support see |netbeans|.
 
+
  vim:tw=78:sw=4:ts=8:noet:ft=help:norl: