Index: ext/fts1/fts1.c
==================================================================
--- ext/fts1/fts1.c
+++ ext/fts1/fts1.c
@@ -2884,14 +2884,14 @@
   int nArg,
   const char *zName,
   void (**pxFunc)(sqlite3_context*,int,sqlite3_value**),
   void **ppArg
 ){
-  if( strcasecmp(zName,"snippet")==0 ){
+  if( strcmp(zName,"snippet")==0 ){
     *pxFunc = snippetFunc;
     return 1;
-  }else if( strcasecmp(zName,"offsets")==0 ){
+  }else if( strcmp(zName,"offsets")==0 ){
     *pxFunc = snippetOffsetsFunc;
     return 1;
   }
   return 0;
 }

Index: src/vtab.c
==================================================================
--- src/vtab.c
+++ src/vtab.c
@@ -9,11 +9,11 @@
 **    May you share freely, never taking more than you give.
 **
 *************************************************************************
 ** This file contains code used to help implement virtual tables.
 **
-** $Id: vtab.c,v 1.36 2006/09/15 07:28:51 drh Exp $
+** $Id: vtab.c,v 1.37 2006/09/18 20:24:03 drh Exp $
 */
 #ifndef SQLITE_OMIT_VIRTUALTABLE
 #include "sqliteInt.h"
 
 /*
@@ -646,10 +646,14 @@
   sqlite3_vtab *pVtab;
   sqlite3_module *pMod;
   void (*xFunc)(sqlite3_context*,int,sqlite3_value**);
   void *pArg;
   FuncDef *pNew;
+  int rc;
+  char *zLowerName;
+  unsigned char *z;
+
 
   /* Check to see the left operand is a column in a virtual table */
   if( pExpr==0 ) return pDef;
   if( pExpr->op!=TK_COLUMN ) return pDef;
   pTab = pExpr->pTab;
@@ -660,12 +664,19 @@
   assert( pVtab->pModule!=0 );
   pMod = (sqlite3_module *)pVtab->pModule;
   if( pMod->xFindFunction==0 ) return pDef;
  
   /* Call the xFuncFunction method on the virtual table implementation
-  ** to see if the implementation wants to overload this function */
-  if( pMod->xFindFunction(pVtab, nArg, pDef->zName, &xFunc, &pArg)==0 ){
+  ** to see if the implementation wants to overload this function 
+  */
+  zLowerName = sqlite3StrDup(pDef->zName);
+  for(z=(unsigned char*)zLowerName; *z; z++){
+    *z = sqlite3UpperToLower[*z];
+  }
+  rc = pMod->xFindFunction(pVtab, nArg, zLowerName, &xFunc, &pArg);
+  sqliteFree(zLowerName);
+  if( rc==0 ){
     return pDef;
   }
 
   /* Create a new ephemeral function definition for the overloaded
   ** function */