diff --git a/Makefile.am b/Makefile.am
index a9b5c69..f743ed4 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -3,7 +3,7 @@ bin_SCRIPTS = msg
 dist_man_MANS = msort.1
 docs = Doc/msort.pdf Doc/InitializationFiles
 msort_SOURCES = conversions.c dstr.c info.c input.c misc.c msort.c sorts.c strs.c uniio.c ExplicateBadUTF8.c binfmt.c iso8601.c
-noinst_HEADERS = comparisons.h compdefs.h dstr.h ex_codes.h exitcode.h input.h key.h limits.h record.h retcodes.h unicode.h  unorm.h utf8error.h
+noinst_HEADERS = comparisons.h compdefs.h dstr.h ex_codes.h exitcode.h input.h key.h mlimits.h record.h retcodes.h unicode.h  unorm.h utf8error.h
 LOCALEDIR=/usr/local/share/locale
 EXTRA_DIST = $(docs) msg.tcl CREDITS msort-${VERSION}.lsm RegressionTests SortOrders
 AUTOMAKE_OPTIONS = dist-zip dist-bzip2
diff --git a/Makefile.in b/Makefile.in
index 3cb8b67..1c62d1c 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -181,7 +181,7 @@ bin_SCRIPTS = msg
 dist_man_MANS = msort.1
 docs = Doc/msort.pdf Doc/InitializationFiles
 msort_SOURCES = conversions.c dstr.c info.c input.c misc.c msort.c sorts.c strs.c uniio.c ExplicateBadUTF8.c binfmt.c iso8601.c
-noinst_HEADERS = comparisons.h compdefs.h dstr.h ex_codes.h exitcode.h input.h key.h limits.h record.h retcodes.h unicode.h  unorm.h utf8error.h
+noinst_HEADERS = comparisons.h compdefs.h dstr.h ex_codes.h exitcode.h input.h key.h mlimits.h record.h retcodes.h unicode.h  unorm.h utf8error.h
 LOCALEDIR = /usr/local/share/locale
 EXTRA_DIST = $(docs) msg.tcl CREDITS msort-${VERSION}.lsm RegressionTests SortOrders
 AUTOMAKE_OPTIONS = dist-zip dist-bzip2
diff --git a/info.c b/info.c
index f6a8bb0..42285b8 100644
--- a/info.c
+++ b/info.c
@@ -28,7 +28,7 @@
 #else
 #define _(x) (x)
 #endif
-#include "limits.h"
+#include "mlimits.h"
 #ifdef HAVE_UNINUM_UNINUM_H
 #include <uninum/unicode.h>
 #include <uninum/uninum.h>
diff --git a/input.c b/input.c
index fc3804f..dd8be10 100644
--- a/input.c
+++ b/input.c
@@ -38,7 +38,7 @@
 #include "unicode.h"
 #endif
 #include "input.h"
-#include "limits.h"
+#include "mlimits.h"
 #include "utf8error.h"
 
 #define MSGSIZE 128
diff --git a/limits.h b/limits.h
deleted file mode 100644
index 04432ab..0000000
--- a/limits.h
+++ /dev/null
@@ -1,33 +0,0 @@
-
-/*
- * This first section contains constants which can be changed at will.
- */
-
-/* Default initial maximum records to sort */
-#define DEFMAXRECORDS	10240
-
-/* Initial size of input text buffer */
-#define INPUTTEXTSIZEINIT 8192
-
-/* Initial maximum fields in a record */
-#define DEFMAXFIELDS 32
-
-/* Maximum length of numeric string */
-#define MAXDOUBLELEN 256
-
-
-/* The following can't be changed freely since they reflect the Unicode standard */
-#define MAXUNICODE 0x1FFFFF
-#define MAXBMP     0x00FFFF
-
-#define NPU_FIRSTMULTIGRAPHCODE 0xD800
-#define NPU_MAXMULTIGRAPHCODE 0xDFFF
-#define NPU_MAXMULTIGRAPHS (NPU_MAXMULTIGRAPHCODE - NPU_FIRSTMULTIGRAPHCODE + 1)
-
-#define BMP_FIRSTMULTIGRAPHCODE 0xE000
-#define BMP_MAXMULTIGRAPHCODE 0xF8FF
-#define BMP_MAXMULTIGRAPHS (BMP_MAXMULTIGRAPHCODE - BMP_FIRSTMULTIGRAPHCODE + 1)
-
-#define FUL_FIRSTMULTIGRAPHCODE 0xF0000
-#define FUL_MAXMULTIGRAPHCODE 0x10FFFD
-#define FUL_MAXMULTIGRAPHS (FUL_MAXMULTIGRAPHCODE - FUL_FIRSTMULTIGRAPHCODE + 1)
diff --git a/mlimits.h b/mlimits.h
new file mode 100644
index 0000000..04432ab
--- /dev/null
+++ b/mlimits.h
@@ -0,0 +1,33 @@
+
+/*
+ * This first section contains constants which can be changed at will.
+ */
+
+/* Default initial maximum records to sort */
+#define DEFMAXRECORDS	10240
+
+/* Initial size of input text buffer */
+#define INPUTTEXTSIZEINIT 8192
+
+/* Initial maximum fields in a record */
+#define DEFMAXFIELDS 32
+
+/* Maximum length of numeric string */
+#define MAXDOUBLELEN 256
+
+
+/* The following can't be changed freely since they reflect the Unicode standard */
+#define MAXUNICODE 0x1FFFFF
+#define MAXBMP     0x00FFFF
+
+#define NPU_FIRSTMULTIGRAPHCODE 0xD800
+#define NPU_MAXMULTIGRAPHCODE 0xDFFF
+#define NPU_MAXMULTIGRAPHS (NPU_MAXMULTIGRAPHCODE - NPU_FIRSTMULTIGRAPHCODE + 1)
+
+#define BMP_FIRSTMULTIGRAPHCODE 0xE000
+#define BMP_MAXMULTIGRAPHCODE 0xF8FF
+#define BMP_MAXMULTIGRAPHS (BMP_MAXMULTIGRAPHCODE - BMP_FIRSTMULTIGRAPHCODE + 1)
+
+#define FUL_FIRSTMULTIGRAPHCODE 0xF0000
+#define FUL_MAXMULTIGRAPHCODE 0x10FFFD
+#define FUL_MAXMULTIGRAPHS (FUL_MAXMULTIGRAPHCODE - FUL_FIRSTMULTIGRAPHCODE + 1)
diff --git a/msort.c b/msort.c
index 7187ed4..c5b0c6b 100644
--- a/msort.c
+++ b/msort.c
@@ -81,7 +81,7 @@ typedef unsigned long ULongLong;
 #include "exitcode.h"
 #include "retcodes.h"
 #include "input.h"
-#include "limits.h"
+#include "mlimits.h"
 #include "key.h"
 #include "record.h"
 #include "ex_codes.h"