Last of the spelling fixed

cde/programs/dtdocbook/tcl/tclInt.h

@@ -625,7 +625,7 @@ typedef struct Interp {
  *			Tcl_Eval are done.
  * ERR_IN_PROGRESS:	Non-zero means an error unwind is already in progress.
  *			Zero means a command proc has been invoked since last
- *			error occured.
+ *			error occurred.
  * ERR_ALREADY_LOGGED:	Non-zero means information has already been logged
  *			in $errorInfo for the current Tcl_Eval instance,
  *			so Tcl_Eval needn't log it (used to implement the

cde/programs/dtdocbook/tcl/tclUnixChan.c

@@ -598,7 +598,7 @@ Tcl_OpenFileChannel(interp, fileName, modeString, permissions)
 	    break;
 	default:
             /*
-             * This may occurr if modeString was "", for example.
+             * This may occur if modeString was "", for example.
              */
 	    panic("Tcl_OpenFileChannel: invalid mode value");
 	    return NULL;

cde/programs/dtdocbook/tcl/tclUnixPipe.c

@@ -396,7 +396,7 @@ TclSpawnPipeline(interp, pidPtr, numPids, argc, argv, inputFile,
     return 1;
 
     /*
-     * An error occured, so we need to clean up any open pipes.
+     * An error occurred, so we need to clean up any open pipes.
      */
 
 error:

cde/programs/dtdocbook/tcl/tclUtil.c

@@ -1628,7 +1628,7 @@ Tcl_DStringInit(dsPtr)
  * Side effects:
  *	Length bytes from string (or all of string if length is less
  *	than zero) are added to the current value of the string.  Memory
- *	gets reallocated if needed to accomodate the string's new size.
+ *	gets reallocated if needed to accommodate the string's new size.
  *
  *----------------------------------------------------------------------
  */
@@ -1696,7 +1696,7 @@ Tcl_DStringAppend(dsPtr, string, length)
  * Side effects:
  *	String is reformatted as a list element and added to the current
  *	value of the string.  Memory gets reallocated if needed to
- *	accomodate the string's new size.
+ *	accommodate the string's new size.
  *
  *----------------------------------------------------------------------
  */