diff --git a/db/mork/src/morkCh.cpp b/db/mork/src/morkCh.cpp
new file mode 100644
index 000000000000..19f7e92522f1
--- /dev/null
+++ b/db/mork/src/morkCh.cpp
@@ -0,0 +1,214 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- 
+ * 
+ * The contents of this file are subject to the Netscape Public License 
+ * Version 1.0 (the "NPL"); you may not use this file except in 
+ * compliance with the NPL.  You may obtain a copy of the NPL at 
+ * http://www.mozilla.org/NPL/ 
+ * 
+ * Software distributed under the NPL is distributed on an "AS IS" basis, 
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL 
+ * for the specific language governing rights and limitations under the 
+ * NPL. 
+ * 
+ * The Initial Developer of this code under the NPL is Netscape 
+ * Communications Corporation.  Portions created by Netscape are 
+ * Copyright (C) 1999 Netscape Communications Corporation.  All Rights 
+ * Reserved. 
+ */
+
+#ifndef _MDB_
+#include "mdb.h"
+#endif
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+#ifndef _MORKCH_
+#include "morkCh.h"
+#endif
+
+#ifndef _MORKENV_
+#include "morkEnv.h"
+#endif
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+/* this byte char predicate source file derives from public domain Mithril */
+/* (that means much of this has a copyright dedicated to the public domain) */
+
+/*============================================================================*/
+/* morkCh_Type */
+
+const mork_u1 morkCh_Type[] = /* derives from public domain Mithril ch table */
+{
+  0,                /* 0x0 */
+  0,                /* 0x1 */
+  0,                /* 0x2 */
+  0,                /* 0x3 */
+  0,                /* 0x4 */
+  0,                /* 0x5 */
+  0,                /* 0x6 */
+  0,                /* 0x7 */
+  morkCh_kW,        /* 0x8 backspace */
+  morkCh_kW,        /* 0x9 tab */
+  morkCh_kW,        /* 0xA linefeed */
+  0,                /* 0xB */
+  morkCh_kW,        /* 0xC page */
+  morkCh_kW,        /* 0xD return */
+  0,                /* 0xE */
+  0,                /* 0xF */
+  0,                /* 0x10 */
+  0,                /* 0x11 */
+  0,                /* 0x12 */
+  0,                /* 0x13 */
+  0,                /* 0x14 */
+  0,                /* 0x15 */
+  0,                /* 0x16 */
+  0,                /* 0x17 */
+  0,                /* 0x18 */
+  0,                /* 0x19 */
+  0,                /* 0x1A */
+  0,                /* 0x1B */
+  0,                /* 0x1C */
+  0,                /* 0x1D */
+  0,                /* 0x1E */
+  0,                /* 0x1F */
+  
+  morkCh_kV|morkCh_kW,     /* 0x20 space */
+  morkCh_kV|morkCh_kM,     /* 0x21 ! */
+  morkCh_kV,               /* 0x22 " */
+  morkCh_kV,               /* 0x23 # */
+  0,                       /* 0x24 $ cannot be kV because needs escape */
+  morkCh_kV,               /* 0x25 % */
+  morkCh_kV,               /* 0x26 & */
+  morkCh_kV,               /* 0x27 ' */
+  morkCh_kV,               /* 0x28 ( */
+  0,                       /* 0x29 ) cannot be kV because needs escape */
+  morkCh_kV,               /* 0x2A * */
+  morkCh_kV|morkCh_kM,     /* 0x2B + */
+  0,                       /* 0x2C , */
+  morkCh_kV|morkCh_kM,     /* 0x2D - */
+  morkCh_kV,               /* 0x2E . */
+  morkCh_kV,               /* 0x2F / */
+  
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x30 0 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x31 1 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x32 2 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x33 3 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x34 4 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x35 5 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x36 6 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x37 7 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x38 8 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x39 9 */
+  morkCh_kV|morkCh_kN|morkCh_kM,        /* 0x3A : */
+  morkCh_kV,                /* 0x3B ; */
+  morkCh_kV,                /* 0x3C < */
+  morkCh_kV,                /* 0x3D = */
+  morkCh_kV,                /* 0x3E > */
+  morkCh_kV|morkCh_kM,      /* 0x3F ? */
+  
+  morkCh_kV,                /* 0x40 @  */  
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x41 A */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x42 B */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x43 C */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x44 D */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x45 E */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x46 F */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x47 G */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x48 H */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x49 I */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4A J */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4B K */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4C L */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4D M */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4E N */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4F O */
+  
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x50 P */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x51 Q */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x52 R */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x53 S */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x54 T */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x55 U */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x56 V */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x57 W */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x58 X */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x59 Y */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x5A Z */
+  morkCh_kV,                /* 0x5B [ */
+  0,                /* 0x5C \ cannot be kV because needs escape */
+  morkCh_kV,                /* 0x5D ] */
+  morkCh_kV,          /* 0x5E ^ */
+  morkCh_kV|morkCh_kN|morkCh_kM,          /* 0x5F _ */
+  
+  morkCh_kV,                /* 0x60 ` */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x61 a */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x62 b */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x63 c */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x64 d */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x65 e */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x66 f */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x67 g */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x68 h */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x69 i */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6A j */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6B k */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6C l */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6D m */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6E n */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6F o */
+  
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x70 p */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x71 q */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x72 r */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x73 s */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x74 t */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x75 u */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x76 v */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x77 w */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x78 x */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x79 y */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x7A z */
+  morkCh_kV,                /* 0x7B { */
+  morkCh_kV,                /* 0x7C | */
+  morkCh_kV,                /* 0x7D } */
+  morkCh_kV,          /* 0x7E ~ */
+  morkCh_kW,          /* 0x7F rubout */
+
+/* $"80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+};
+
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
diff --git a/db/mork/src/morkCh.h b/db/mork/src/morkCh.h
new file mode 100644
index 000000000000..1452837c5772
--- /dev/null
+++ b/db/mork/src/morkCh.h
@@ -0,0 +1,92 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- 
+ * 
+ * The contents of this file are subject to the Netscape Public License 
+ * Version 1.0 (the "NPL"); you may not use this file except in 
+ * compliance with the NPL.  You may obtain a copy of the NPL at 
+ * http://www.mozilla.org/NPL/ 
+ * 
+ * Software distributed under the NPL is distributed on an "AS IS" basis, 
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL 
+ * for the specific language governing rights and limitations under the 
+ * NPL. 
+ * 
+ * The Initial Developer of this code under the NPL is Netscape 
+ * Communications Corporation.  Portions created by Netscape are 
+ * Copyright (C) 1999 Netscape Communications Corporation.  All Rights 
+ * Reserved. 
+ */
+ 
+#ifndef _MORKCH_
+#define _MORKCH_ 1
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+/* this byte char predicate header file derives from public domain Mithril */
+/* (that means much of this has a copyright dedicated to the public domain) */
+
+/* Use all 8 pred bits; lose some pred bits only if we need to reuse them. */
+
+/* ch pred bits: W:white D:digit V:value U:upper L:lower N:name  M:more */
+#define morkCh_kW      (1 << 0)
+#define morkCh_kD      (1 << 1)
+#define morkCh_kV      (1 << 2)
+#define morkCh_kU      (1 << 3)
+#define morkCh_kL      (1 << 4)
+#define morkCh_kX      (1 << 5)
+#define morkCh_kN      (1 << 6)
+#define morkCh_kM      (1 << 7)
+
+extern const mork_u1 morkCh_Type[]; /* 256 byte predicate bits ch map */
+
+/* is a character that normally continues a symbol token: */
+#define morkCh_IsSymbol(c)   ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kS )
+
+/* is a numeric decimal digit: (note memory access might be slower) */
+/* define morkCh_IsDigit(c)  ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kD ) */
+#define morkCh_IsDigit(c)    ( ((mork_ch) c) >= '0' && ((mork_ch) c) <= '9' )
+
+/* is a numeric octal digit: */
+#define morkCh_IsOctal(c)    ( ((mork_ch) c) >= '0' && ((mork_ch) c) <= '7' )
+
+/* is a numeric hexadecimal digit: */
+#define morkCh_IsHex(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kX )
+
+/* is value (can be printed in Mork value without needing hex or escape): */
+#define morkCh_IsValue(c)    ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kV )
+
+/* is white space : */
+#define morkCh_IsWhite(c)    ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kW )
+
+/* is name (can start a Mork name): */
+#define morkCh_IsName(c)     ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kN )
+
+/* is name (can continue a Mork name): */
+#define morkCh_IsMore(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kM )
+
+/* is alphabetic upper or lower case */
+#define morkCh_IsAlpha(c)    \
+  ( morkCh_Type[ (mork_ch)(c) ] & (morkCh_kL|morkCh_kU) )
+
+/* is alphanumeric, including lower case, upper case, and digits */
+#define morkCh_IsAlphaNum(c) \
+  (morkCh_Type[ (mork_ch)(c) ]&(morkCh_kL|morkCh_kU|morkCh_kD))
+
+  
+#define morkCh_IsAscii(c)         ( ((mork_u1) c) <= 0x7F )
+#define morkCh_IsSevenBitChar(c)  ( ((mork_u1) c) <= 0x7F )
+
+/* ````` character case (e.g. for case insensitive operations) ````` */
+
+#define morkCh_ToLower(c)    ((c)-'A'+'a')
+#define morkCh_ToUpper(c)    ((c)-'a'+'A')
+
+/* extern int morkCh_IsUpper (int c); */
+#define morkCh_IsUpper(c)    ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kU )
+
+/* extern int morkCh_IsLower (int c); */
+#define morkCh_IsLower(c)    ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kL )
+
+#endif
+/* _MORKCH_ */
diff --git a/mailnews/db/mork/src/morkCh.cpp b/mailnews/db/mork/src/morkCh.cpp
new file mode 100644
index 000000000000..19f7e92522f1
--- /dev/null
+++ b/mailnews/db/mork/src/morkCh.cpp
@@ -0,0 +1,214 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- 
+ * 
+ * The contents of this file are subject to the Netscape Public License 
+ * Version 1.0 (the "NPL"); you may not use this file except in 
+ * compliance with the NPL.  You may obtain a copy of the NPL at 
+ * http://www.mozilla.org/NPL/ 
+ * 
+ * Software distributed under the NPL is distributed on an "AS IS" basis, 
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL 
+ * for the specific language governing rights and limitations under the 
+ * NPL. 
+ * 
+ * The Initial Developer of this code under the NPL is Netscape 
+ * Communications Corporation.  Portions created by Netscape are 
+ * Copyright (C) 1999 Netscape Communications Corporation.  All Rights 
+ * Reserved. 
+ */
+
+#ifndef _MDB_
+#include "mdb.h"
+#endif
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+#ifndef _MORKCH_
+#include "morkCh.h"
+#endif
+
+#ifndef _MORKENV_
+#include "morkEnv.h"
+#endif
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
+
+/* this byte char predicate source file derives from public domain Mithril */
+/* (that means much of this has a copyright dedicated to the public domain) */
+
+/*============================================================================*/
+/* morkCh_Type */
+
+const mork_u1 morkCh_Type[] = /* derives from public domain Mithril ch table */
+{
+  0,                /* 0x0 */
+  0,                /* 0x1 */
+  0,                /* 0x2 */
+  0,                /* 0x3 */
+  0,                /* 0x4 */
+  0,                /* 0x5 */
+  0,                /* 0x6 */
+  0,                /* 0x7 */
+  morkCh_kW,        /* 0x8 backspace */
+  morkCh_kW,        /* 0x9 tab */
+  morkCh_kW,        /* 0xA linefeed */
+  0,                /* 0xB */
+  morkCh_kW,        /* 0xC page */
+  morkCh_kW,        /* 0xD return */
+  0,                /* 0xE */
+  0,                /* 0xF */
+  0,                /* 0x10 */
+  0,                /* 0x11 */
+  0,                /* 0x12 */
+  0,                /* 0x13 */
+  0,                /* 0x14 */
+  0,                /* 0x15 */
+  0,                /* 0x16 */
+  0,                /* 0x17 */
+  0,                /* 0x18 */
+  0,                /* 0x19 */
+  0,                /* 0x1A */
+  0,                /* 0x1B */
+  0,                /* 0x1C */
+  0,                /* 0x1D */
+  0,                /* 0x1E */
+  0,                /* 0x1F */
+  
+  morkCh_kV|morkCh_kW,     /* 0x20 space */
+  morkCh_kV|morkCh_kM,     /* 0x21 ! */
+  morkCh_kV,               /* 0x22 " */
+  morkCh_kV,               /* 0x23 # */
+  0,                       /* 0x24 $ cannot be kV because needs escape */
+  morkCh_kV,               /* 0x25 % */
+  morkCh_kV,               /* 0x26 & */
+  morkCh_kV,               /* 0x27 ' */
+  morkCh_kV,               /* 0x28 ( */
+  0,                       /* 0x29 ) cannot be kV because needs escape */
+  morkCh_kV,               /* 0x2A * */
+  morkCh_kV|morkCh_kM,     /* 0x2B + */
+  0,                       /* 0x2C , */
+  morkCh_kV|morkCh_kM,     /* 0x2D - */
+  morkCh_kV,               /* 0x2E . */
+  morkCh_kV,               /* 0x2F / */
+  
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x30 0 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x31 1 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x32 2 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x33 3 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x34 4 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x35 5 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x36 6 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x37 7 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x38 8 */
+  morkCh_kV|morkCh_kD|morkCh_kX,  /* 0x39 9 */
+  morkCh_kV|morkCh_kN|morkCh_kM,        /* 0x3A : */
+  morkCh_kV,                /* 0x3B ; */
+  morkCh_kV,                /* 0x3C < */
+  morkCh_kV,                /* 0x3D = */
+  morkCh_kV,                /* 0x3E > */
+  morkCh_kV|morkCh_kM,      /* 0x3F ? */
+  
+  morkCh_kV,                /* 0x40 @  */  
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x41 A */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x42 B */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x43 C */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x44 D */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x45 E */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU|morkCh_kX,  /* 0x46 F */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x47 G */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x48 H */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x49 I */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4A J */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4B K */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4C L */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4D M */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4E N */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x4F O */
+  
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x50 P */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x51 Q */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x52 R */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x53 S */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x54 T */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x55 U */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x56 V */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x57 W */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x58 X */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x59 Y */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kU,          /* 0x5A Z */
+  morkCh_kV,                /* 0x5B [ */
+  0,                /* 0x5C \ cannot be kV because needs escape */
+  morkCh_kV,                /* 0x5D ] */
+  morkCh_kV,          /* 0x5E ^ */
+  morkCh_kV|morkCh_kN|morkCh_kM,          /* 0x5F _ */
+  
+  morkCh_kV,                /* 0x60 ` */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x61 a */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x62 b */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x63 c */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x64 d */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x65 e */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL|morkCh_kX,  /* 0x66 f */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x67 g */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x68 h */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x69 i */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6A j */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6B k */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6C l */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6D m */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6E n */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x6F o */
+  
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x70 p */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x71 q */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x72 r */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x73 s */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x74 t */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x75 u */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x76 v */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x77 w */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x78 x */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x79 y */
+  morkCh_kV|morkCh_kN|morkCh_kM|morkCh_kL,          /* 0x7A z */
+  morkCh_kV,                /* 0x7B { */
+  morkCh_kV,                /* 0x7C | */
+  morkCh_kV,                /* 0x7D } */
+  morkCh_kV,          /* 0x7E ~ */
+  morkCh_kW,          /* 0x7F rubout */
+
+/* $"80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"90 91 92 93 94 95 96 97 98 99 9A 9B 9C 9D 9E 9F"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 AA AB AC AD AE AF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"B0 B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"C0 C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"E0 E1 E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE EF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+
+/* $"F0 F1 F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF"   */
+  0,    0,    0,    0,    0,    0,    0,    0,  
+  0,    0,    0,    0,    0,    0,    0,    0,  
+};
+
+
+//3456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789
diff --git a/mailnews/db/mork/src/morkCh.h b/mailnews/db/mork/src/morkCh.h
new file mode 100644
index 000000000000..1452837c5772
--- /dev/null
+++ b/mailnews/db/mork/src/morkCh.h
@@ -0,0 +1,92 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- 
+ * 
+ * The contents of this file are subject to the Netscape Public License 
+ * Version 1.0 (the "NPL"); you may not use this file except in 
+ * compliance with the NPL.  You may obtain a copy of the NPL at 
+ * http://www.mozilla.org/NPL/ 
+ * 
+ * Software distributed under the NPL is distributed on an "AS IS" basis, 
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL 
+ * for the specific language governing rights and limitations under the 
+ * NPL. 
+ * 
+ * The Initial Developer of this code under the NPL is Netscape 
+ * Communications Corporation.  Portions created by Netscape are 
+ * Copyright (C) 1999 Netscape Communications Corporation.  All Rights 
+ * Reserved. 
+ */
+ 
+#ifndef _MORKCH_
+#define _MORKCH_ 1
+
+#ifndef _MORK_
+#include "mork.h"
+#endif
+
+/* this byte char predicate header file derives from public domain Mithril */
+/* (that means much of this has a copyright dedicated to the public domain) */
+
+/* Use all 8 pred bits; lose some pred bits only if we need to reuse them. */
+
+/* ch pred bits: W:white D:digit V:value U:upper L:lower N:name  M:more */
+#define morkCh_kW      (1 << 0)
+#define morkCh_kD      (1 << 1)
+#define morkCh_kV      (1 << 2)
+#define morkCh_kU      (1 << 3)
+#define morkCh_kL      (1 << 4)
+#define morkCh_kX      (1 << 5)
+#define morkCh_kN      (1 << 6)
+#define morkCh_kM      (1 << 7)
+
+extern const mork_u1 morkCh_Type[]; /* 256 byte predicate bits ch map */
+
+/* is a character that normally continues a symbol token: */
+#define morkCh_IsSymbol(c)   ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kS )
+
+/* is a numeric decimal digit: (note memory access might be slower) */
+/* define morkCh_IsDigit(c)  ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kD ) */
+#define morkCh_IsDigit(c)    ( ((mork_ch) c) >= '0' && ((mork_ch) c) <= '9' )
+
+/* is a numeric octal digit: */
+#define morkCh_IsOctal(c)    ( ((mork_ch) c) >= '0' && ((mork_ch) c) <= '7' )
+
+/* is a numeric hexadecimal digit: */
+#define morkCh_IsHex(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kX )
+
+/* is value (can be printed in Mork value without needing hex or escape): */
+#define morkCh_IsValue(c)    ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kV )
+
+/* is white space : */
+#define morkCh_IsWhite(c)    ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kW )
+
+/* is name (can start a Mork name): */
+#define morkCh_IsName(c)     ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kN )
+
+/* is name (can continue a Mork name): */
+#define morkCh_IsMore(c) ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kM )
+
+/* is alphabetic upper or lower case */
+#define morkCh_IsAlpha(c)    \
+  ( morkCh_Type[ (mork_ch)(c) ] & (morkCh_kL|morkCh_kU) )
+
+/* is alphanumeric, including lower case, upper case, and digits */
+#define morkCh_IsAlphaNum(c) \
+  (morkCh_Type[ (mork_ch)(c) ]&(morkCh_kL|morkCh_kU|morkCh_kD))
+
+  
+#define morkCh_IsAscii(c)         ( ((mork_u1) c) <= 0x7F )
+#define morkCh_IsSevenBitChar(c)  ( ((mork_u1) c) <= 0x7F )
+
+/* ````` character case (e.g. for case insensitive operations) ````` */
+
+#define morkCh_ToLower(c)    ((c)-'A'+'a')
+#define morkCh_ToUpper(c)    ((c)-'a'+'A')
+
+/* extern int morkCh_IsUpper (int c); */
+#define morkCh_IsUpper(c)    ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kU )
+
+/* extern int morkCh_IsLower (int c); */
+#define morkCh_IsLower(c)    ( morkCh_Type[ (mork_ch)(c) ] & morkCh_kL )
+
+#endif
+/* _MORKCH_ */