+2011-05-20 Jim Meyering <meyering@redhat.com>
+
+ maint: replace misused "a" with "an"
+ * doc/intprops.texi: "a integer"
+ * doc/regex.texi: "a explanation"
+ * lib/alignof.h: "a object"
+ * lib/argmatch.h: "a explanation"
+ * lib/argp-help.c: "a option" and "a OPTION_DOC"
+ * lib/stdint.in.h: "a integer"
+ * lib/userspec.c: "a owner"
+ * doc/gnulib.texi: Fix "a idea", and reword.
+
+2011-05-19 Jim Meyering <meyering@redhat.com>
+
+ maint: correct misuse of "a" and "an"
+ * doc/regex.texi (Collating Symbol Operators): s/an close.../a close/
+ * lib/argp-help.c: "an docum...": s/an/a/
+ * lib/argp-parse.c: "An vector": s/An/A/
+ * lib/execute.c: "an native": s/an/a/
+ * lib/spawn-pipe.c: Likewise.
+ * lib/gc.h: "an Gc_rc": s/an/a/
+ * lib/unigbrk.in.h: "an grapheme": s/an/a/
+ * lib/fts.c: "an stat.st_dev": s/an/a/
+
+2011-05-19 Paul Eggert <eggert@cs.ucla.edu>
+
+ intprops-tests: work around HP-UX 11.23 cc bug with constants
+ * tests/test-intprops.c (VERIFY): New macro.
+ (main): Use it, instead of verify, to work around the compiler bug; see
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00401.html>.
+
+ intprops: work around IRIX 6.5 cc bug with 0u - 0u + -1
+ See http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00406.html
+ * lib/intprops.h (_GL_INT_NEGATE_CONVERT): New macro.
+ (_GL_INT_SIGNED, _GL_INT_MAXIMUM, _GL_DIVIDE_OVERFLOW):
+ (_GL_REMAINDER_OVERFLOW): Use it.
+
+ intprops-tests: revert unsigned part of previous change
+ * tests/test-intprops.c (UINT_MAX, ULONG_MAX, UINTMAX_MAX, U0, U1):
+ Remove; they weren't actually needed. All uses of U0 and U1 removed,
+ and other casts to 'unsigned int' reverted to 'u' suffixes. See
+ <http://lists.gnu.org/archive/html/bug-gnulib/2011-05/msg00406.html>.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Work around strerror_r() change in Cygwin 1.7.8.
+ * lib/strerror_r.c (strerror_r) [CYGWIN]: Recognize when the system's
+ strerror_r() returned without filling the buffer.
+ Reported by Eric Blake.
+
+2011-05-19 Eric Blake <eblake@redhat.com>
+
+ strerror_r: guarantee unchanged errno
+ * lib/strerror_r.c (strerror_r): Guarantee unchanged errno.
+ * lib/strerror-impl.h (strerror): Set errno to match strerror_r
+ failure.
+ * tests/test-strerror_r.c (main): Enhance test.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Reorder #if blocks.
+ * lib/strerror_r.c (strerror_r): Reorder conditionals in the function
+ for consistency with the previous commit.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ perror: Avoid clobbering the strerror buffer when possible.
+ * lib/strerror-impl.h: New file, extracted from lib/strerror.c.
+ * lib/strerror.c: Include it.
+ * modules/strerror (Files): Add lib/strerror-impl.h.
+ * lib/perror.c: Include <stdlib.h>, intprops.h, verify.h.
+ (my_strerror): New function, defined through lib/strerror-impl.h.
+ (perror): Use it instead of strerror.
+ * modules/perror (Files): Add lib/strerror-impl.h.
+ (Depends-on): Remove strerror. Add intprops, verify, strerror_r-posix.
+
+2011-05-19 Eric Blake <eblake@redhat.com>
+
+ strerror_r: fix on newer cygwin
+ * lib/strerror_r.c (strerror_r): Cygwin now has
+ __xpg_strerror_r, use it.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Avoid clobbering the strerror buffer when possible.
+ * lib/strerror.c: Define _NETBSD_SOURCE. Include <nl_types.h>.
+ (sys_nerr, sys_errlist): New declarations.
+ (strerror_r): Be careful not to clobber the strerror buffer on NetBSD,
+ HP-UX, native Win32, IRIX, and 32-bit Solaris.
+ * m4/strerror_r.m4 (gl_PREREQ_STRERROR_R): Test whether catgets exists.
+
+2011-05-19 Bruno Haible <bruno@clisp.org>
+
+ strerror_r: Fix test failure on mingw.
+ * m4/strerror_r.m4 (gl_FUNC_STRERROR_R): Don't define
+ EXTEND_STRERROR_R.
+ * lib/strerror_r.c (strerror_r): Test the various GNULIB_defined_*
+ macros from errno.in.h instead.
+
2011-05-19 Eric Blake <eblake@redhat.com>
strerror: relax test for Solaris
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