diff --git a/ChangeLog b/ChangeLog
index 25027c200..e6d83430f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,17 @@
+2011-12-17  Robert Larice
+ * src/winmain.c ,
+ * src/frontend/inpcom.c ,
+ * src/include/ngspice/Makefile.am ,
+ * src/include/ngspice/memory.h ,
+ * src/misc/Makefile.am ,
+ * src/misc/string.c ,
+ * visualc/vngspice.vcproj :
+
+ Added      src/include/ngspice/stringutil.h
+ Removed    src/misc/stringutil.h
+
+   move stringutil.h --> src/include/ngspice
+
 2011-12-17  Holger Vogt
  * src/frontend/inpcom.c :
   allow syntax Gxxx n1 n2 value={equation} or Exxx n1 n2 value={equation}
diff --git a/src/frontend/inpcom.c b/src/frontend/inpcom.c
index c5618dc43..3d497f2ba 100644
--- a/src/frontend/inpcom.c
+++ b/src/frontend/inpcom.c
@@ -21,7 +21,7 @@ Author: 1985 Wayne A. Christopher
 #include "inpcom.h"
 #include "variable.h"
 #include "../misc/util.h" /* ngdirname() */
-#include "../misc/stringutil.h"
+#include "ngspice/stringutil.h"
 #include "ngspice/wordlist.h"
 
 #ifdef XSPICE
diff --git a/src/include/ngspice/Makefile.am b/src/include/ngspice/Makefile.am
index 6e2196bad..2a8a3341f 100644
--- a/src/include/ngspice/Makefile.am
+++ b/src/include/ngspice/Makefile.am
@@ -102,6 +102,7 @@ noinst_HEADERS =	\
 	smpdefs.h	\
 	sperror.h	\
 	spmatrix.h	\
+	stringutil.h	\
 	suffix.h	\
 	swec.h		\
 	tfdefs.h	\
diff --git a/src/include/ngspice/memory.h b/src/include/ngspice/memory.h
index 5aa3be6ca..0516aa2f7 100644
--- a/src/include/ngspice/memory.h
+++ b/src/include/ngspice/memory.h
@@ -23,7 +23,7 @@ extern void txfree(void *ptr);
 #endif
 
 
-#include "../misc/stringutil.h" /* va: spice3 internally bzero */
+#include "ngspice/stringutil.h" /* va: spice3 internally bzero */
 
 #define alloc(TYPE)    TMALLOC(TYPE, 1)
 #define MALLOC(x)      tmalloc((size_t)(x))
diff --git a/src/misc/stringutil.h b/src/include/ngspice/stringutil.h
similarity index 100%
rename from src/misc/stringutil.h
rename to src/include/ngspice/stringutil.h
diff --git a/src/misc/Makefile.am b/src/misc/Makefile.am
index 92ec78931..e823a4d26 100644
--- a/src/misc/Makefile.am
+++ b/src/misc/Makefile.am
@@ -19,7 +19,6 @@ libmisc_la_SOURCES = \
 		printnum.c	\
 		printnum.h	\
 		string.c	\
-		stringutil.h	\
 		tilde.c		\
 		tilde.h		\
 		misc_time.c	\
diff --git a/src/misc/string.c b/src/misc/string.c
index 3b7970a30..74e374b62 100644
--- a/src/misc/string.c
+++ b/src/misc/string.c
@@ -7,7 +7,7 @@ Copyright 1990 Regents of the University of California.  All rights reserved.
  */
 
 #include "ngspice/ngspice.h"
-#include "stringutil.h"
+#include "ngspice/stringutil.h"
 #include "ngspice/dstring.h"
 
 int
diff --git a/src/winmain.c b/src/winmain.c
index cf24ff0ee..988d14925 100644
--- a/src/winmain.c
+++ b/src/winmain.c
@@ -15,7 +15,7 @@
 #include <stdlib.h>         // exit codes
 #include <stdarg.h>         // var. arguments
 #include <assert.h>         // assert macro
-#include "misc/stringutil.h" // copy
+#include "ngspice/stringutil.h" // copy
 #include <io.h>             // _read
 
 #include <errno.h>
diff --git a/visualc/vngspice.vcproj b/visualc/vngspice.vcproj
index c6f927dd5..e1b46b1d4 100644
--- a/visualc/vngspice.vcproj
+++ b/visualc/vngspice.vcproj
@@ -2934,7 +2934,7 @@
 				>
 			</File>
 			<File
-				RelativePath="..\src\misc\stringutil.h"
+				RelativePath="..\src\include\ngspice\stringutil.h"
 				>
 			</File>
 			<File