From df553d91c2e5c50ec317b730fd91a8fbe876b00f Mon Sep 17 00:00:00 2001 From: Michael Kerrisk Date: Tue, 11 Mar 2014 08:44:26 +0100 Subject: [PATCH] feature_test_macros.7: Rework discussion of _ISOC99_SOURCE Signed-off-by: Michael Kerrisk --- man7/feature_test_macros.7 | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/man7/feature_test_macros.7 b/man7/feature_test_macros.7 index f0dd95835..a516b21e0 100644 --- a/man7/feature_test_macros.7 +++ b/man7/feature_test_macros.7 @@ -251,13 +251,13 @@ The C95 changes were included in the subsequent C99 standard implies .BR _ISOC95_SOURCE ). .TP -.B _ISOC99_SOURCE +.BR _ISOC99_SOURCE " (since glibc 2.1.3)" Exposes C99 extensions to ISO C (1990). -This macro is recognized since glibc 2.1.3; -earlier glibc 2.1.x versions recognized an equivalent macro named + +Earlier glibc 2.1.x versions recognized an equivalent macro named .B _ISOC9X_SOURCE (because the C99 standard had not then been finalized). -Although the use of the latter macro is obsolete, glibc continues +Although the use of this macro is obsolete, glibc continues to recognize it for backward compatibility. .TP .BR _ISOC11_SOURCE " (since glibc 2.16)"