Add 2012 and 2013 to copyright notice on numbers.test.

* test-suite/tests/numbers.test: Add 2012 and 2013 to copyright notice.
  It was modified both of those years.
Adjust BOM tests to reflect the fact that big endian is used by default.

* test-suite/tests/ports.test ("BOM not discarded unless at start of
  UTF-16 stream", "BOM not discarded unless at start of UTF-32 stream"):
  Adjust tests to reflect the fact that, in the absence of a BOM, big
  endian will be used by default for the "UTF-16" and "UTF-32"
  encodings.
Using 'pass-if-equal' in coding.test.

* test-suite/tests/coding.test ("block comments", "line comments"):
  Use 'pass-if-equal'.
tests: Use shell constructs that /bin/sh on Solaris 10 can understand.

Partly fixes <http://bugs.gnu.org/14042>.
Reported by Marc Girod <marc.girod@gmail.com>

* test-suite/standalone/test-language: Use a shell construct that
  /bin/sh on Solaris 10 can understand.
Manual: fix 'my-or' examples to use let-bound variable.

Fixes <http://bugs.gnu.org/14203> reported by Nikita Karetnikov.

* doc/ref/api-macros.texi (Defining Macros, Syntax Rules): Fix
  definition of 'my-or' example macro to use the let-bound variable.
web: uri-encode hexadecimal percent-encoding is now uppercase

* module/web/uri.scm (uri-encode): the hexadecimal percent-encoding %HH
  is now uppercased as suggested by RFC3986:

      "For consistency, URI producers and normalizers should use
       uppercase hexadecimal digits for all percent-encodings."

* test-suite/tests/web-uri.test ("encode"): update tests.
Print the faulty object upon invalid-keyword errors.

* libguile/vm.c (vm_error_kwargs_invalid_keyword,
  vm_error_kwargs_unrecognized_keyword): Add parameter.  Pass it
  enclosed in a list as the last argument to `scm_error_scm'.
* libguile/vm-i-system.c (bind_kwargs): Adjust accordingly.
* libguile/eval.c (error_invalid_keyword, error_unrecognized_keyword):
  Add parameter.
  (prepare_boot_closure_env_for_apply): Adjust accordingly.
* module/ice-9/eval.scm (primitive-eval): Likewise.
* libguile/error.c (scm_error_scm): Mention `keyword-argument-error' in
  docstring.
* module/ice-9/boot-9.scm (keyword-error-printer): New procedure; use it.
* test-suite/tests/optargs.test (c&e, with-test-prefix/c&e): Remove.
  ("define*")["unrecognized keyword"]: Test the value passed along the
  `keyword-argument-error' exception.
  ["invalid keyword"]: New test.
* doc/ref/api-control.texi (Error Reporting): Update `scm-error'
  description.
Report the faulty keyword in errors raised by `scm_c_bind_keyword_arguments'.

Reported by Mark H. Weaver.

* libguile/keywords.c (scm_c_bind_keyword_arguments): Use
  `scm_error_scm' instead of `scm_error'.  Pass the faulty keyword
  enclosed in a list as the last argument.
* test-suite/tests/optargs.test ("scm_c_bind_keyword_arguments"): New
  test prefix.
Fix tests for 'scm_c_bind_keyword_arguments'.

* test-suite/standalone/test-scm-c-bind-keyword-arguments.c (error_handler):
  Remove function.
  (unrecognized_keyword_error_handler, invalid_keyword_error_handler,
  odd_length_error_handler): New functions.
  (test_scm_c_bind_keyword_arguments): Use new error handler functions.
Allow #f as timeout argument to unlock-mutex and SRFI-18 mutex-unlock!

Reported by Chaos Eternal <chaoseternal@shlug.org>
Based on a patch by Nala Ginrut <nalaginrut@gmail.com>

* libguile/threads.c (scm_unlock_mutex_timed): If 'timeout' argument
  is false, interpret that as no timeout.

* doc/ref/api-scheduling.texi (Mutexes and Condition Variables):
  Update documentation.
Define `AF_UNIX' only when Unix-domain sockets are supported.

* libguile/socket.c (scm_init_socket): Defined `AF_UNIX' only when
  `HAVE_UNIX_DOMAIN_SOCKETS' is defined.
  Reported by Eli Zaretskii <eliz@gnu.org>.
tests: Use double quotes around shell arguments, for Windows.

* test-suite/standalone/test-system-cmds (test-system-cmd): Use double
  quotes around shell arguments.
  Reported by Eli Zaretskii <eliz@gnu.org>.
tests: Don't rely on $TMPDIR and /tmp on Windows.

* test-suite/standalone/test-unwind.c (check_ports)[__MINGW32__]: Use
  $TEMP, $TMP, or / as the value for TMPDIR.
  Patch by Eli Zaretskii <eliz@gnu.org>.
tests: Skip FFI tests that use `qsort' when it's not accessible.

* test-suite/tests/foreign.test ("procedure->pointer")[qsort]: Wrap in
  `false-if-exception'.
  ["qsort", "qsort, wrong return type", "qsort, wrong arity"]: Throw
  'unresolved when QSORT if #f.
  Reported by Eli Zaretskii <eliz@gnu.org>.
tests: Remove symlink only when it exists.

* test-suite/tests/filesys.test: Delete (test-symlink) only if it
  exists---i.e., not on Windows.
  Reported by Eli Zaretskii <eliz@gnu.org>.
Augment `.dir-locals.el'.
tests: Don't rely on `scm_call_2' being visible.

* test-suite/tests/coverage.test ("procedure-execution-count")["called
  from C"]: Throw 'unresolved when `scm_call_2' cannot be resolved.
  Reported by Eli Zaretskii <eliz@gnu.org>.
Fix #ifdefery for `setegid'.

* libguile/posix.c (scm_setegid): Change to #ifdef HAVE_SETEGID.
Fix bug in remqueue in threads.c when removing last element.

Reported and debugged by Andrew Gaylard <ag@computer.org>.

* libguile/threads.c (remqueue): When removing the last element from a
  queue with more than one element, set (car q) to the previous element.

* THANKS: Thank Andrew Gaylard.
Fix 'bitwise-bit-count' for negative arguments.

Fixes <http://bugs.gnu.org/14864>.
Reported by Göran Weinholt <goran@weinholt.se>.

* module/rnrs/arithmetic/bitwise.scm (bitwise-bit-count): If the
  argument is negative, return the 'bitwise-not' of the result of
  'logcount', as per R6RS.  Previously, 'bitwise-bit-count' was
  identical to 'logcount'.