Char Followed by a Char is illegal (qglobal.h)

I am doing one project in which i am using QMap but its giving error related to qglobal.h file, thats

Quote:

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Char Followed by a char is illegal

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Code:

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typedef map<int ,cal_pointer*> QMap2D;

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When i m using only map, there is no error in it.

Can anyone tell me, how i can get rid of this error.

Thanks

Please provide a minimal compilable example reproducing the problem.