[PATCH] man3/creal.3, man3/cimag.3: Standardize style and history

[Simon Essien <champbreed1@gmail.com>]

Consolidated VERSIONS and HISTORY sections to match project standards.
Moved GNU extension notes for __real__ and __imag__ to a clearer
format within VERSIONS.

Signed-off-by: Simon Essien <champbreed1@gmail.com>
---
 man/man3/cimag.3 | 11 ++++-------
 man/man3/creal.3 | 11 ++++-------
 2 files changed, 8 insertions(+), 14 deletions(-)

diff --git a/man/man3/cimag.3 b/man/man3/cimag.3
index 39eeb1007..946e095a8 100644
--- a/man/man3/cimag.3
+++ b/man/man3/cimag.3
@@ -45,14 +45,11 @@ T{
 T}	Thread safety	MT-Safe
 .TE
 .SH VERSIONS
-GCC also supports __imag__.
-That is a GNU extension.
+Available since glibc 2.1.
+GCC also supports the
+.BR __real__
+keyword (a GNU extension).
 .SH STANDARDS
 C11, POSIX.1-2008.
 .SH HISTORY
-glibc 2.1.
 C99, POSIX.1-2001.
-.SH SEE ALSO
-.BR cabs (3),
-.BR creal (3),
-.BR complex (7)
diff --git a/man/man3/creal.3 b/man/man3/creal.3
index be07d8273..d05125274 100644
--- a/man/man3/creal.3
+++ b/man/man3/creal.3
@@ -43,14 +43,11 @@ T{
 T}	Thread safety	MT-Safe
 .TE
 .SH VERSIONS
-GCC supports also __real__.
-That is a GNU extension.
+Available since glibc 2.1.
+GCC also supports the
+.BR __real__
+keyword (a GNU extension).
 .SH STANDARDS
 C11, POSIX.1-2008.
 .SH HISTORY
-glibc 2.1.
 C99, POSIX.1-2001.
-.SH SEE ALSO
-.BR cabs (3),
-.BR cimag (3),
-.BR complex (7)
-- 
2.51.0