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All occurrences in a source file of the following sequences of three characters (that is, trigraph sequences) are replaced with the corresponding single character.
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\[[ISO/IEC 9899-1999|AA. C References#ISO/IEC 9899-1999]\] Section 5.2.1.1, "Trigraph sequences" \[[MISRA 04|AA. C References#MISRA 04]\] Rule 4.2 \[[Wikipedia]\] ["C Trigraphs"|http://en.wikipedia.org/wiki/C_trigraph] |
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PRE06-A. Enclose header file files in an inclusion guard 01. Preprocessor (PRE) PRE08-A. Guarantee that header filenames are unique