lgamma.3: glibc 2.10 fixed pole error bug

http://sourceware.org/bugzilla/show_bug.cgi?id=6777
was (silently) resolved.

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man3/lgamma.3

@@ -4,7 +4,7 @@
 .\" and Copyright 2008, Linux Foundation, written by Michael Kerrisk
 .\"     <mtk.manpages@gmail.com>
 .\"
-.TH LGAMMA 3 2008-08-05 "" "Linux Programmer's Manual"
+.TH LGAMMA 3 2010-09-11 "" "Linux Programmer's Manual"
 .SH NAME
 lgamma, lgammaf, lgammal, lgamma_r, lgammaf_r, lgammal_r, signgam \-
 log gamma function
@@ -120,7 +120,6 @@ The following errors can occur:
 Pole error: \fIx\fP is a nonpositive integer
 .I errno
 is set to
-.\" FIXME . glibc 2.8 gives EDOM!
 .BR ERANGE
 (but see BUGS).
 A divide-by-zero floating-point exception
@@ -146,14 +145,14 @@ The
 .BR lgamma_r ()
 functions are nonstandard, but present on several other systems.
 .SH BUGS
-For a pole error,
-.\"
-.\" FIXME . this is as at glibc 2.8; check later if this bug is fixed
-.\" Bug raised: http://sources.redhat.com/bugzilla/show_bug.cgi?id=6777
+In  glibc 2.9 and earlier,
+.\" http://sources.redhat.com/bugzilla/show_bug.cgi?id=6777
+when a pole error occurs,
 .I errno
 is set to
 .BR EDOM ;
-POSIX.1 says it should be set to
+instead of the POSIX-mandated
 .BR ERANGE .
+Since version 2.10, glibc does the right thing.
 .SH "SEE ALSO"
 .BR tgamma (3)