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Using and Porting GNU Fortran

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15.5 Certain Changes We Don't Want to Make

This section lists changes that people frequently request, but which we do not make because we think GNU Fortran is better without them.

15.5.1 Backslash in Constants  Why `'\\'' is a constant that is one, not two, characters long.
15.5.2 Initializing Before Specifying  Why `DATA VAR/1/' can't precede
                                       `COMMON VAR'.
15.5.3 Context-Sensitive Intrinsicness  Why `CALL SQRT' won't work.
15.5.4 Context-Sensitive Constants  Why `9.435784839284958' is a single-precision constant, and might be interpreted as
                                       `9.435785' or similar.
15.5.5 Equivalence Versus Equality  Why `.TRUE. .EQ. .TRUE.' won't work.
15.5.6 Order of Side Effects  Why `J = IFUNC() - IFUNC()' might not behave as expected.


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