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Possible Duplicate:
C++ source in unicode

I just discovered this line of code in a project:

string überwachung; 

I was surprised, because actually I thought you are not allowed to use umlauts like 'äöü' in C++ code other than in strings and so on, and it would result in a compiler error. But this compiles just fine with visual studio 2008.

• Is this a special microsoft feature, or are umlauts allowed with other compilers too?
• Are there any potential problems with that (portability,system language settings..)?
• I can clearly remember this was not allowed. When did it change?

Kind regards for any clarification

P.S.: the tool cppcheck will even mark this usage as an error, even though it compiles

Possible Duplicate:
C++ source in unicode

I just discovered this line of code in a project:

string überwachung; 

I was surprised, because actually I thought you are not allowed to use umlauts like 'äöü' in C++ code other than in strings and so on, and it would result in a compiler error. But this compiles just fine with visual studio 2008.

• Is this a special microsoft feature, or are umlauts allowed with other compilers too?
• Are there any potential problems with that (portability,system language settings..)?
• I can clearly remember this was not allowed. When did it change?

Kind regards for any clarification

P.S.: the tool cppcheck will even mark this usage as an error, even though it compiles

I just discovered this line of code in a project:

string überwachung; 

I was surprised, because actually I thought you are not allowed to use umlauts like 'äöü' in C++ code other than in strings and so on, and it would result in a compiler error. But this compiles just fine with visual studio 2008.

• Is this a special microsoft feature, or are umlauts allowed with other compilers too?
• Are there any potential problems with that (portability,system language settings..)?
• I can clearly remember this was not allowed. When did it change?

Kind regards for any clarification

P.S.: the tool cppcheck will even mark this usage as an error, even though it compiles

Possible Duplicate:
C++ source in unicode

I just discovered this line of code in a project:

string überwachung; 

I was surprised, because actually I thought you are not allowed to use umlauts like 'äöü' in C++ code other than in strings and so on, and it would result in a compiler error. But this compiles just fine with visual studio 2008.

• Is this a special microsoft feature, or are umlauts allowed with other compilers too?
• Are there any potential problems with that (portability,system language settings..)?
• I can clearly remember this was not allowed. When did it change?

Kind regards for any clarification

P.S.: the tool cppcheck will even mark this usage as an error, even though it compiles