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matherr.3: Remove crufty feature test macro requirements
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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@ -36,21 +36,6 @@ matherr \- SVID math library exception handling
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.B extern _LIB_VERSION_TYPE _LIB_VERSION;
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.fi
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.PP
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.in -4n
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Feature Test Macro Requirements for glibc (see
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.BR feature_test_macros (7)):
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.PP
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.in
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.ad l
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.BR significand (),
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.BR significandf (),
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.BR significandl ():
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.RS 4
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/* Since glibc 2.19: */ _DEFAULT_SOURCE
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|| /* Glibc versions <= 2.19: */ _SVID_SOURCE
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.RE
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.ad b
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.PP
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Link with \fI\-lm\fP.
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.SH DESCRIPTION
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The System V Interface Definition (SVID) specifies that various
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