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I register 'print_stack' as one of my own extension functions, and then do a luaL_check_string(1) to get the error from Lua, 
and print that out using a messagebox. This way you don't need to change the lua source code...

On 23 June 1998 12:04, Luiz Henrique de Figueiredo [] wrote:
| >From Tue Jun 23 05:54:04 1998
| >
| >Has anyone written a nice Lua Windows console (as opposed to having to use
| >a DOS prompt) which they would be willing to post on here or point me to a
| >URL?
| That would be a good thing to have. If anyone has it, please let me know and
| I'll add a link to it the Lua site.
| On the other hand, this should be provided by any compiler that claims to
| be ANSI. Otherwise, how would it support stdio.h?
| What do the current compilers do with stderr in Windows??
| On the other hand, I've seen someone use the code below for putting
| dialog boxes at error conditions.
| #ifdef WIN32
|     MessageBox(NULL,
|                message, "Application Error",
|                MB_ICONERROR | MB_OK);
| #else /* has shell output */
|     fputs(message, stderr);
| #endif /* WIN32 */
| --lhf