1 files changed, 30 insertions, 17 deletions

diff --git a/Source/cmAddCustomCommandCommand.h b/Source/cmAddCustomCommandCommand.h
index b158ca3..a48bf15 100644
--- a/Source/cmAddCustomCommandCommand.h
+++ b/Source/cmAddCustomCommandCommand.h
@@ -77,7 +77,7 @@ public:
    */
   virtual const char* GetTerseDocumentation() 
     {
-    return "Create new command within CMake.";
+    return "Add a custom build rule to the generated build system.";
     }
   
   /**
@@ -86,24 +86,37 @@ public:
   virtual const char* GetFullDocumentation()
     {
     return
-      "ADD_CUSTOM_COMMAND([SOURCE source] [COMMAND command] TARGET target "
-      "[ARGS [args...]] [DEPENDS [depends...]] [OUTPUTS [outputs...]] [COMMENT comment])\n"
+      "  ADD_CUSTOM_COMMAND(TARGET target\n"
+      "                     [SOURCE source]\n"
+      "                     [COMMAND command]\n"
+      "                     [ARGS [args...]]\n"
+      "                     [DEPENDS [depends...]]\n"
+      "                     [OUTPUTS [outputs...]]\n"
+      "                     [COMMENT comment])\n"
       "This defines a new command that can be executed during the build "
-      "process.  In makefile terms this creates a new target in the following form:<pre><code>\n"
-      "OUTPUT1: SOURCE DEPENDS\n"
-      "         COMAND ARGS\n"
-      "OUTPUT2: SOURCE DEPENDS\n"
-      "         COMAND ARGS\n"
-      "  Example of usage:\n"
+      "process.  In makefile terms this creates a new target in the "
+      "following form:\n"
+      "  OUTPUT1: SOURCE DEPENDS\n"
+      "           COMAND ARGS\n"
+      "  OUTPUT2: SOURCE DEPENDS\n"
+      "           COMAND ARGS\n"
+      "The TARGET must be specified, but it is not the make target of the "
+      "build rule.  It is the target (library, executable, or custom target) "
+      "that will use the output generated from this rule.  This is necessary "
+      "to choose a project file in which to generate the rule for Visual "
+      "Studio.\n\n"
+      "Example of usage:\n"
       "  ADD_CUSTOM_COMMAND(\n"
-      "      SOURCE ${VTK_TIFF_FAX_EXE} \n"
-      "      COMMAND ${VTK_TIFF_FAX_EXE} \n"
-      "      ARGS -c const ${VTK_BINARY_DIR}/Utilities/tiff/tif_fax3sm.c \n"
-      "      TARGET vtktiff \n"
-      "      OUTPUTS ${VTK_BINARY_DIR}/Utilities/tiff/tif_fax3sm.c\n"
-      "                    )\n"
-      "This will create custom target which will generate file tif_fax3sm.c\n"
-      "using command ${VTK_TIFF_FAX_EXE}.</pre></code>";
+      "    TARGET tiff\n"
+      "    SOURCE ${TIFF_FAX_EXE}\n"
+      "    COMMAND ${TIFF_FAX_EXE}\n"
+      "    ARGS -c const ${TIFF_BINARY_DIR}/tif_fax3sm.c\n"
+      "    OUTPUTS ${TIFF_BINARY_DIR}/tif_fax3sm.c\n"
+      "  )\n"
+      "This will create custom target which will generate file tif_fax3sm.c "
+      "using command ${TIFF_FAX_EXE}.  The rule will be executed as part of "
+      "building the tiff library because it includes tif_fax3sm.c as a "
+      "source file with the GENERATED property.";
     }
   
   cmTypeMacro(cmAddCustomCommandCommand, cmCommand);