--- code/trunk/pcre_internal.h	2008/07/09 11:03:07	358
+++ code/trunk/pcre_internal.h	2008/07/09 16:20:19	359
@@ -132,6 +132,20 @@
 #  endif
 #endif
 
+/* When compiling with the MSVC compiler, it is sometimes necessary to include
+a "calling convention" before exported function names. (This is secondhand 
+information; I know nothing about MSVC myself). For example, something like
+
+  void __cdecl function(....)
+  
+might be needed. In order so make this easy, all the exported functions have
+PCRE_CALL_CONVENTION just before their names. It is rarely needed; if not
+set, we ensure here that it has no effect. */ 
+
+#ifndef PCRE_CALL_CONVENTION
+#define PCRE_CALL_CONVENTION
+#endif
+
 /* We need to have types that specify unsigned 16-bit and 32-bit integers. We
 cannot determine these outside the compilation (e.g. by running a program as
 part of "configure") because PCRE is often cross-compiled for use on other