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// Helpers.h -- printf style formatting
void Error( const string& msg );    
void Error( const char* fmt, ... ); 
void Log( const string& msg );  
void Log( const char* fmt, ... );
void MySevereError( const char* fmt, ... ); 
void WarningLevel1( const char* fmt, ... );
void WarningLevel2( const char* fmt, ... );
void Info( const char* fmt, ... );