msgconv: Handle protected file names with spaces.

* gettext-tools/src/po-charset.h (po_lex_isolate_start, po_lex_isolate_end): New
declarations.
* gettext-tools/src/po-charset.c (po_lex_isolate_start, po_lex_isolate_end): New
variables.
(po_lex_charset_init, po_lex_charset_set, po_lex_charset_close): Initialize
them.
* gettext-tools/woe32dll/gettextsrc-exports.c: Export also po_lex_isolate_start,
po_lex_isolate_end.
* gettext-tools/src/read-catalog-abstract.c: Include <stdbool.h>, po-charset.h.
(po_parse_comment_filepos): Parse the syntax of file names surrounded by control
characters.
* gettext-tools/src/msgl-iconv.c: Include msgl-ofn.h.
(iconv_msgdomain_list): Signal error if the target encoding does not contain the
control characters needed for escaping file names with spaces.
* gettext-tools/tests/msgconv-8: New file.
* gettext-tools/tests/Makefile.am (TESTS): Add it.

xgettext: Protect file names with spaces through Unicode U+2068, U+2069.

* gettext-tools/src/pos.h: Include <stdbool.h>.
(pos_filename_has_spaces): New declaration.
* gettext-tools/src/pos.c: New file.
* gettext-tools/src/msgl-ofn.h: New file.
* gettext-tools/src/msgl-ofn.c: New file.
* gettext-tools/src/FILES: Update.
* gettext-tools/src/Makefile.am (noinst_HEADERS): Add msgl-ofn.h.
(COMMON_SOURCE): Add pos.c.
(libgettextsrc_la_SOURCES): Add msgl-ofn.c.
* gettext-tools/libgettextpo/Makefile.am (libgettextpo_la_AUXSOURCES): Likewise.
* gettext-tools/src/write-catalog.h (struct catalog_output_format): Add field
requires_utf8_for_filenames_with_spaces.
* gettext-tools/src/xgettext.c: Include pos.h, msgl-ofn.h.
(finalize_header): Convert the message domain to UTF-8 also when some message
has file names with spaces.
* gettext-tools/src/write-po.h (message_print_comment_filepos): Add charset
parameter.
* gettext-tools/src/write-po.c: Include pos.h.
(message_print_comment_filepos): Add charset parameter. If a file name has
spaces, enclose it in U+2068 and U+2069 characters.
(message_print, message_print_obsolete, output_format_po): Update.
* gettext-tools/src/write-properties.c (write_message,
output_format_properties): Update.
* gettext-tools/src/write-stringtable.c (output_format_stringtable): Update.
* gettext-tools/tests/xgettext-17: New file.
* gettext-tools/tests/Makefile.am (TESTS): Add it.

Update after gnulib changed on 2017-06-17.

* gnulib-local/lib/diffseq.h.diff: Remove file.
* gnulib-local/Makefile.am (EXTRA_DIST): Remove it.

Update NEWS.

* NEWS: Mention that a build failure on macOS 11/arm64 is now fixed (through
gnulib).

Update DEPENDENCIES.

* DEPENDENCIES: Update info regarding libiconv. List pre-built package names.
Add awk as a normal dependency of a package with an Autoconf-generated configure
file.
* libtextstyle/DEPENDENCIES: Likewise.

Support creating shared libraries on MidnightBSD.

Patch from <https://savannah.gnu.org/patch/?10007>.

* m4/libtool.m4: Treat MidnightBSD like FreeBSD.
* build-aux/ltmain.sh: Likewise.

Switch to autoconf-2.71.

* libtextstyle/autogen.sh: Update comments.

build: Avoid a warning in a configure test.

Reported through MacPorts.

* gettext-runtime/m4/intdiv0.m4 (gt_INTDIV0): Avoid shadowing the global 'nan()'
function.

Update copyright years.

* Makefile.am: Update copyright years.

Update after gnulib changed.

* gettext-runtime/m4/intl.m4 (AM_INTL_SUBDIR): Test
gt_localename_enhances_locale_funcs instead of gt_nameless_locales. Set
ENHANCE_LOCALE_FUNCS, not HAVE_NAMELESS_LOCALES.
* gettext-runtime/intl/Makefile.am (libgnuintl.h, libintl.h): Substitute
ENHANCE_LOCALE_FUNCS, not HAVE_NAMELESS_LOCALES.
* gettext-runtime/intl/libgnuintl.in.h: Test ENHANCE_LOCALE_FUNCS, not
HAVE_NAMELESS_LOCALES.
* gettext-runtime/intl/localename.c: Update from gnulib.
* gettext-runtime/m4/iconv.m4: Likewise.

Update to the newest gnulib.

tests: Fix autopoint-1 test failure.

* gettext-tools/tests/autopoint-1: Update after 2020-12-28 commit.

tests: Add comments.

* gettext-tools/tests/init.cfg: More comments about the Solaris gettext() bug.

Update after gnulib changed.

* gettext-runtime/intl/verify.h: Update copyright years.
* gettext-runtime/intl/xsize.h: Likewise.
* gettext-runtime/m4/fcntl-o.m4: Likewise.
* gettext-runtime/m4/flexmember.m4: Likewise.
* gettext-runtime/m4/iconv.m4: Likewise.
* gettext-runtime/m4/intlmacosx.m4: Likewise.
* gettext-runtime/m4/inttypes_h.m4: Likewise.
* gettext-runtime/m4/nls.m4: Likewise.
* gettext-runtime/m4/progtest.m4: Likewise.
* gettext-runtime/m4/size_max.m4: Likewise.
* gettext-runtime/m4/stdint_h.m4: Likewise.
* gettext-runtime/m4/xsize.m4: Likewise.
* Makefile.am (distcheck-hook): Update.

build: Remove glibc21.m4 (unused since 2018-09-17).

* gettext-runtime/m4/intl.m4 (AM_INTL_SUBDIR): Don't require gl_GLIBC21.
* gettext-tools/configure.ac: Don't invoke gl_GLIBC21.
* gettext-runtime/m4/glibc21.m4: Remove file.
* gettext-runtime/m4/Makefile.am (EXTRA_DIST): Remove it.

autopoint: When both configure.ac and configure.in exist, use the former.

Reported by Eric Gallager <egall@gwmail.gwu.edu> in
<https://lists.gnu.org/archive/html/bug-gettext/2020-12/msg00051.html>.

* gettext-tools/misc/autopoint.in (configure_in): Test for configure.ac before
testing for configure.in.

Update after gnulib changed: Fix link errors on native Windows.

* autogen.sh (GNULIB_MODULES_TOOLS_FOR_SRC, GNULIB_MODULES_LIBGETTEXTPO): Add
strdup-posix.
Avoid the *-list-tests, since they reference a variable, leading to a problem
with --enable-shared.
* gettext-tools/libgettextpo/Makefile.am (config.h): Undefine GNULIB_GETCWD and
REPLACE_FCHDIR that are defined in the parent config.h.

Update after gnulib changed.

* libtextstyle/configure.ac: Set GNULIB_MDA_ISATTY. This fixes a link error on
native Windows.

Update after gnulib changed.

* autogen.sh (GNULIB_MODULES_TOOLS_FOR_SRC, GNULIB_MODULES_LIBGETTEXTPO): Add
'free'.
* gnulib-local/lib/libxml/parser.in.h: Include <stdlib.h>.
* gettext-tools/src/format.h: Likewise.
* gettext-tools/tests/gettextpo-1-prg.c: Undefine free.

libtextstyle: Add accessor functions.

* libtextstyle/gnulib-local/lib/fd-ostream.oo.h (fd_ostream): New methods
get_descriptor, get_filename, is_buffered.
* libtextstyle/gnulib-local/lib/fd-ostream.oo.c (fd_ostream::get_descriptor,
fd_ostream::get_filename, fd_ostream::is_buffered): New functions.
* libtextstyle/gnulib-local/lib/file-ostream.oo.h (file_ostream): New method
get_stdio_stream.
* libtextstyle/gnulib-local/lib/file-ostream.oo.c
(file_ostream::get_stdio_stream): New function.
* libtextstyle/gnulib-local/lib/html-ostream.oo.h (html_ostream): New method
get_destination.
* libtextstyle/gnulib-local/lib/html-ostream.oo.c
(html_ostream::get_destination): New function.
* libtextstyle/gnulib-local/lib/html-styled-ostream.oo.h: Include
html-ostream.h.
(html_styled_ostream): New methods get_destination, get_html_destination,
get_css_filename.
* libtextstyle/gnulib-local/lib/html-styled-ostream.oo.c (html_styled_ostream):
Add field 'css_filename'.
(html_styled_ostream::free): Free it.
(html_styled_ostream_create): Initialize it.
(html_styled_ostream::get_destination,
html_styled_ostream::get_html_destination,
html_styled_ostream::get_css_filename): New functions.
* libtextstyle/gnulib-local/lib/iconv-ostream.oo.h (iconv_ostream): New methods
get_from_encoding, get_to_encoding, get_destination.
* libtextstyle/gnulib-local/lib/iconv-ostream.oo.c
(iconv_ostream::get_from_encoding, iconv_ostream::get_to_encoding,
iconv_ostream::get_destination): New functions.
* libtextstyle/gnulib-local/lib/noop-styled-ostream.oo.h (noop_styled_ostream):
New methods get_destination, is_owning_destination.
* libtextstyle/gnulib-local/lib/noop-styled-ostream.oo.c
(noop_styled_ostream::get_destination,
noop_styled_ostream::is_owning_destination): New functions.
* libtextstyle/gnulib-local/lib/term-ostream.oo.h (term_ostream): New methods
get_descriptor, get_filename, get_tty_control, get_effective_tty_control.
* libtextstyle/gnulib-local/lib/term-ostream.oo.c (term_ostream): Add field
'tty_control'.
(term_ostream_create): Initialize it.
(term_ostream::get_descriptor, term_ostream::get_filename,
term_ostream::get_tty_control, term_ostream::get_effective_tty_control): New
functions.
* libtextstyle/gnulib-local/lib/term-styled-ostream.oo.h (term_styled_ostream):
New methods get_destination, get_css_filename.
* libtextstyle/gnulib-local/lib/term-styled-ostream.oo.c (term_styled_ostream):
Add field 'css_filename'.
(term_styled_ostream::free): Free it.
(term_styled_ostream_create): Initialize it.
(term_styled_ostream::get_destination, term_styled_ostream::get_css_filename):
New functions.
* libtextstyle/lib/textstyle.h (file_ostream_get_stdio_stream,
fd_ostream_get_descriptor, fd_ostream_get_filename, fd_ostream_is_buffered,
term_ostream_get_descriptor, term_ostream_get_filename,
term_ostream_get_tty_control, term_ostream_get_effective_tty_control,
iconv_ostream_get_from_encoding, iconv_ostream_get_to_encoding,
iconv_ostream_get_destination, html_ostream_get_destination,
term_styled_ostream_get_destination, term_styled_ostream_get_css_filename,
html_styled_ostream_get_destination, html_styled_ostream_get_html_destination,
html_styled_ostream_get_css_filename, noop_styled_ostream_get_destination,
noop_styled_ostream_is_owning_destination): New declarations.
* libtextstyle/tests/test-accessors.c: New file.
* libtextstyle/tests/Makefile.am: Arrange to compile it.
* libtextstyle/doc/libtextstyle.texi (Accessors): New subsection.
* libtextstyle/NEWS: Mention the new functions.

libtextstyle: Doc update.

* libtextstyle/doc/libtextstyle.texi (The output stream hierarchy): Add
is_instance_of_* functions to the index.

libtextstyle: Add is_instance_of_* predicates.

* libtextstyle/gnulib-local/lib/fd-ostream.oo.h (is_instance_of_fd_ostream): New
declaration.
* libtextstyle/gnulib-local/lib/fd-ostream.oo.c (is_instance_of_fd_ostream): New
function.
* libtextstyle/gnulib-local/lib/file-ostream.oo.h (is_instance_of_file_ostream):
New declaration.
* libtextstyle/gnulib-local/lib/file-ostream.oo.c (is_instance_of_file_ostream):
New function.
* libtextstyle/gnulib-local/lib/html-ostream.oo.h (is_instance_of_html_ostream):
New declaration.
* libtextstyle/gnulib-local/lib/html-ostream.oo.c (is_instance_of_html_ostream):
New function.
* libtextstyle/gnulib-local/lib/html-styled-ostream.oo.h
(is_instance_of_html_styled_ostream): New declaration.
* libtextstyle/gnulib-local/lib/html-styled-ostream.oo.c
(is_instance_of_html_styled_ostream): New function.
* libtextstyle/gnulib-local/lib/iconv-ostream.oo.h
(is_instance_of_iconv_ostream): New declaration.
* libtextstyle/gnulib-local/lib/iconv-ostream.oo.c
(is_instance_of_iconv_ostream): New function.
* libtextstyle/gnulib-local/lib/memory-ostream.oo.h
(is_instance_of_memory_ostream): New declaration.
* libtextstyle/gnulib-local/lib/memory-ostream.oo.c
(is_instance_of_memory_ostream): New function.
* libtextstyle/gnulib-local/lib/noop-styled-ostream.oo.h
(is_instance_of_noop_styled_ostream): New declaration.
* libtextstyle/gnulib-local/lib/noop-styled-ostream.oo.c
(is_instance_of_noop_styled_ostream): New function.
* libtextstyle/gnulib-local/lib/styled-ostream.oo.h
(is_instance_of_styled_ostream): New declaration.
* libtextstyle/gnulib-local/lib/styled-ostream.oo.c
(is_instance_of_styled_ostream): New function.
* libtextstyle/gnulib-local/lib/term-ostream.oo.h (is_instance_of_term_ostream):
New declaration.
* libtextstyle/gnulib-local/lib/term-ostream.oo.c (is_instance_of_term_ostream):
New function.
* libtextstyle/gnulib-local/lib/term-styled-ostream.oo.h
(is_instance_of_term_styled_ostream): New declaration.
* libtextstyle/gnulib-local/lib/term-styled-ostream.oo.c
(is_instance_of_term_styled_ostream): New function.
* libtextstyle/lib/textstyle.h (is_instance_of_styled_ostream,
is_instance_of_file_ostream, is_instance_of_fd_ostream,
is_instance_of_term_ostream, is_instance_of_memory_ostream,
is_instance_of_iconv_ostream, is_instance_of_html_ostream,
is_instance_of_term_styled_ostream, is_instance_of_html_styled_ostream,
is_instance_of_noop_styled_ostream): New declarations.
* libtextstyle/tests/test-instanceof.c: New file.
* libtextstyle/tests/Makefile.am: Arrange to compile it.
* libtextstyle/doc/libtextstyle.texi (The output stream hierarchy): Mention the
is_instance_of_* predicates.
* libtextstyle/NEWS: Mention the new functions.

Update after gnulib changed.

* gettext-runtime/intl/threadlib.c: Update from gnulib.

Update after gnulib changed.

* gettext-tools/src/read-csharp.c (execute_and_read_po_output): Does not need
write access to the elements of prog_argv.
* gettext-tools/src/read-java.c (execute_and_read_po_output): Likewise.
* gettext-tools/src/read-resources.c (execute_and_read_po_output): Likewise.
* gettext-tools/src/write-resources.c (execute_writing_input): Likewise.
* gettext-tools/src/urlget.c (execute_it): Likewise.
(fetch): Update variable types and remove casts to 'char *'.
* gettext-tools/src/msginit.c (project_id, project_id_version, get_user_email,
language_team_address, plural_forms): Likewise.
* gettext-tools/src/read-tcl.c (msgdomain_read_tcl): Likewise.
* gettext-tools/src/x-ruby.c (extract_ruby): Likewise.
* gettext-tools/src/msgexec.c (sub_argv): Change type to 'const char **'.
(main): Remove casts to 'char *'.

Update to the newest gnulib.

intl: Support the AIX 7 locale names.

* gettext-runtime/intl/explodename.c (_nl_find_language): Remove function.
(_nl_explode_name): Inline it here. On AIX, lowercase the language and map a
script identifier to a modifier.
* NEWS: Mention it.

build: Allow building with Autoconf 2.70.

* libtextstyle/autogen.sh: Update comment.

xgettext: Make --directory option work right with Ruby input files.

* gettext-tools/src/xgettext.c (extract_from_file_func): Add found_in_dir
argument.
(xgettext_find_file): Return also the directory that was used to find the file.
(extract_from_file): Pass the directory to the extractor.
* gettext-tools/src/x-ruby.h (extract_ruby): Add found_in_dir argument.
* gettext-tools/src/x-ruby.c (extract_ruby): Add found_in_dir argument. Pass the
logical_filename to rxgettext, and run rxgettext in the given directory.
* gettext-tools/tests/xgettext-16: New file.
* gettext-tools/tests/Makefile.am (TESTS): Add it.

Update after gnulib changed.

* gettext-tools/po/POTFILES.in: Update.

Update after gnulib changed.

* gettext-tools/src/urlget.c (execute_it, fetch): Update 'execute' invocations.
* gettext-tools/src/msginit.c (project_id, project_id_version, get_user_email,
language_team_address, plural_forms): Update create_pipe_in invocations.
* gettext-tools/src/read-csharp.c (execute_and_read_po_output): Likewise.
* gettext-tools/src/read-java.c (execute_and_read_po_output): Likewise.
* gettext-tools/src/read-resources.c (execute_and_read_po_output): Likewise.
* gettext-tools/src/read-tcl.c (msgdomain_read_tcl): Likewise.
* gettext-tools/src/x-ruby.c (extract_ruby): Likewise.
* gettext-tools/src/msgexec.c (process_string): Update create_pipe_out
invocation.
* gettext-tools/src/write-resources.c (execute_writing_input): Likewise.

Update to newest gnulib.

tests: Fix typos on scheme-format test.

* gettext-tools/tests/format-scheme-2: Fix typos.

build: Remove the need for an autoconf test.

* gettext-runtime/intl/intl-exports.c (IMP): Use predefined preprocessor symbol
tests, not USER_LABEL_PREFIX_UNDERSCORE.
* gettext-runtime/configure.ac (INTL_EXPORTS_FLAGS): Remove variable.
* gnulib-local/modules/gettext-runtime-misc (Makefile.am): Don't use
INTL_EXPORTS_FLAGS.
* gettext-tools/woe32dll/export.h (IMP): Use predefined preprocessor symbol
tests, not USER_LABEL_PREFIX_UNDERSCORE.
* gettext-tools/configure.ac (GETTEXTLIB_EXPORTS_FLAGS): Don't define USER_LABEL_PREFIX_UNDERSCORE.

xgettext: Add support for gettext-like functions with wide string argument.

Reported by Érico Nogueira <ericonr@disroot.org> in
<https://lists.gnu.org/archive/html/bug-gettext/2020-11/msg00013.html>.

* gettext-tools/src/x-c.c (phase5_get): Recognize also the string-literal
prefixes 'u', 'U', 'L'. Consider all types of C++ raw strings as relevant.
* gettext-tools/tests/xgettext-c-5: Add more test cases.
* gettext-tools/tests/xgettext-c-c++-1: Likewise.
* NEWS: Mention it.

build: Fix warnings emitted by autoconf-2.69d.

* gettext-tools/configure.ac: Use AC_LINK_IFELSE instead of AC_TRY_LINK. Don't
invoke AC_FUNC_VFORK.
* gettext-tools/m4/exported.m4 (gt_GLOBAL_SYMBOL_PIPE): Require LT_PATH_NM
instead of AC_PROG_NM.
* gnulib-local/m4/libxml.m4 (gl_LIBXML): Use AC_LINK_IFELSE instead of
AC_TRY_LINK. Use AC_PREPROC_IFELSE instead of AC_TRY_CPP.
* libtextstyle/configure.ac: Use AC_CONFIG_HEADERS instead of AM_CONFIG_HEADER.
* libtextstyle/gnulib-local/m4/libcroco.m4 (gl_LIBCROCO): Use AC_LINK_IFELSE
instead of AC_TRY_LINK.
* libtextstyle/gnulib-local/m4/libglib.m4 (gl_LIBGLIB): Use AC_LINK_IFELSE
instead of AC_TRY_LINK. Require AC_USE_SYSTEM_EXTENSIONS instead of AC_GNU_SOURCE.
* libtextstyle/gnulib-local/m4/termcap.m4 (gl_TERMCAP_BODY): Use AC_LINK_IFELSE
instead of AC_TRY_LINK.
* libtextstyle/gnulib-local/m4/terminfo.m4 (gl_TERMINFO_BODY): Use
AC_LINK_IFELSE instead of AC_TRY_LINK.
* m4/woe32-dll.m4 (gl_WOE32_DLL): Use AC_LINK_IFELSE instead of AC_TRY_LINK.

build: Set permissions of test scripts consistently.

Reported by Khem Raj <raj.khem@gmail.com> in
<https://lists.gnu.org/archive/html/bug-gettext/2020-09/msg00007.html>.

* gettext-tools/tests/msgmerge-29: Make executable.

Update after gnulib changed.

* gnulib-local/lib/hash.h.diff: Update.
* gnulib-local/lib/hash.c.diff: Likewise.

Update to newest gnulib.

Fix "warning: implicit declaration of function 'open'/'read'/'close'".

* gettext-runtime/intl/loadmsgcat.c: Include <io.h>.
(open, read, close): New macros on native Windows.

Fix "warning: 'max' macro redefined".

* gettext-tools/src/x-javascript.c (max): Undefine first.
* gettext-tools/src/x-python.c (max): Likewise.

Update after gnulib changed.

* autogen.sh: Don't copy attribute.h, as it would have the wrong copyright header.
* gettext-runtime/intl/attribute.h: New file, from gnulib.
* gettext-runtime/intl/arg-nonnull.h: Update from gnulib.
* gettext-runtime/intl/localename.c: Likewise.
* gettext-runtime/intl/vasnprintf.c: Likewise.
* gettext-runtime/intl/verify.h: Likewise.
* gettext-runtime/libasprintf/vasnprintf.c: Likewise.
* gettext-runtime/m4/fcntl-o.m4: Likewise.
* gettext-runtime/m4/iconv.m4: Likewise.
* gettext-runtime/intl/thread-optim.h: New file, from gnulib.
* gettext-runtime/intl/Makefile.am (EXTRA_DIST): Add thread-optim.h.
* Makefile.am (distcheck-hook): Check also thread-optim.h.

Update to newest gnulib.

build: Modernize autoconf macros.

* gettext-runtime/m4/intdiv0.m4 (gt_INTDIV0): Improve m4 quoting.
* gettext-runtime/m4/printf-posix.m4 (gt_PRINTF_POSIX): Likewise.
* gettext-runtime/m4/intl.m4 (AM_INTL_SUBDIR): Improve indentation.
* gettext-tools/m4/hostname.m4 (gt_PREREQ_HOSTNAME): Improve m4 quoting. Use
AC_CACHE_CHECK and AC_COMPILE_IFELSE.
* gettext-tools/m4/siginfo.m4 (gt_SIGINFO): Improve m4 quoting. Use
AC_COMPILE_IFELSE.

build: Assume ANSI C declaration of 'setlocale'.

* gettext-tools/tests/setlocale.c (setlocale): Assume SETLOCALE_CONST is
'const'.
* gettext-tools/tests/format-c-3-prg.c: Likewise.
* gettext-tools/tests/format-c-4-prg.c: Likewise.
* gettext-tools/tests/plural-1-prg.c: Likewise.
* gettext-tools/tests/tstgettext.c: Likewise.
* gettext-tools/tests/tstngettext.c: Likewise.
* gettext-tools/configure.ac: Don't invoke gt_SETLOCALE.
* gettext-tools/m4/setlocale.m4: Remove file.
* gettext-tools/m4/Makefile.am (EXTRA_DIST): Remove it.

Improve code style.

* gettext-tools/src/cldr-plural-exp.c: Indent and parenthesize for better
readability.

Fix "warning: no previous extern declaration for non-static variable".

* gettext-tools/src/write-desktop.c (msgfmt_methods): Make 'static'.
* gettext-tools/src/x-desktop.c (extract_methods): Likewise.

Fix "warning: this function declaration is not a prototype".

* gnulib-local/lib/xgetcwd.c (xgetcwd): Use ANSI C prototype syntax.

Fix "warning: no previous prototype for function 'its_*_eval'".

* gettext-tools/src/its.c (its_translate_rule_eval,
its_localization_note_rule_eval, its_element_within_text_rule_eval,
its_preserve_space_rule_eval, its_extension_context_rule_eval,
its_extension_escape_rule_eval): Make 'static'.

Fix "warning: no previous prototype for function 'locating_rule_list_destroy'".

* gettext-tools/src/locating-rule.c (locating_rule_list_destroy): Make 'static'.

Fix "warning: no previous prototype for function 'xgetcwd'".

* gnulib-local/lib/xgetcwd.c: Include "xgetcwd.h".

Fix "warning: unannotated fall-through between switch labels".

* autogen.sh (GNULIB_MODULES_RUNTIME_FOR_SRC, GNULIB_MODULES_TOOLS_FOR_SRC,
GNULIB_MODULES_LIBGETTEXTPO): Add 'attribute'.
* libtextstyle/autogen.sh (GNULIB_MODULES): Likewise.
* gettext-runtime/intl/plural.y: Include attribute.h. Use FALLTHROUGH annotated
empty statements instead of /* FALLTHROUGH */ comments.
* gettext-runtime/src/gettext.c: Likewise.
* gettext-runtime/src/ngettext.c: Likewise.
* gettext-tools/src/format-boost.c: Likewise.
* gettext-tools/src/read-stringtable.c: Likewise.
* gettext-tools/src/write-csharp.c: Likewise.
* gettext-tools/src/write-java.c: Likewise.
* gettext-tools/src/write-po.c: Likewise.
* gettext-tools/src/x-awk.c: Likewise.
* gettext-tools/src/x-c.c: Likewise.
* gettext-tools/src/x-csharp.c: Likewise.
* gettext-tools/src/x-elisp.c: Likewise.
* gettext-tools/src/x-java.c: Likewise.
* gettext-tools/src/x-javascript.c: Likewise.
* gettext-tools/src/x-librep.c: Likewise.
* gettext-tools/src/x-lisp.c: Likewise.
* gettext-tools/src/x-perl.c: Likewise.
* gettext-tools/src/x-php.c: Likewise.
* gettext-tools/src/x-python.c: Likewise.
* gettext-tools/src/x-scheme.c: Likewise.
* gettext-tools/src/x-sh.c: Likewise.
* gettext-tools/src/x-smalltalk.c: Likewise.
* gettext-tools/src/x-tcl.c: Likewise.
* gettext-tools/src/x-vala.c: Likewise.
* gettext-tools/src/x-ycp.c: Likewise.
* gettext-tools/tests/tstgettext.c: Likewise.
* gettext-tools/tests/tstngettext.c: Likewise.
* libtextstyle/gnulib-local/lib/tparm.c: Likewise.
* gettext-runtime/src/escapes.h: Use FALLTHROUGH annotated empty statements
instead of /* FALLTHROUGH */ comments.

Fix "warning: cast from 'const void *' to 'char *' drops const qualifier".

* libtextstyle/gnulib-local/lib/iconv-ostream.oo.c (iconv_ostream::write_mem):
Add 'const'.

Fix "warning: cast from 'const void *' to 'char *' drops const qualifier".

* libtextstyle/gnulib-local/lib/html-ostream.oo.c (html_ostream::write_mem): Add
'const'.

Fix "warning: cast from 'const void *' to 'char *' drops const qualifier".

* libtextstyle/gnulib-local/lib/fd-ostream.oo.c (fd_ostream::write_mem): Add
'const'.

Fix "warning: cast ... drops const qualifier".

* gnulib-local/lib/markup.c (slow_name_validate): Add 'const'.

Fix "warning: cast from 'const void *' to 'struct pre_message *' drops const qualifier".

* gettext-tools/src/write-mo.c (compare_id): Add 'const'.

Fix "warning: cast from 'const char *' to 'char *' drops const qualifier".

* gettext-tools/src/str-list.h (string_list_append_unique_desc,
string_list_member_desc): New declarations.
* gettext-tools/src/str-list.c (string_list_append_unique_desc,
string_list_member_desc): New functions.
* gettext-tools/src/msgfmt.c (add_languages): Don't modify the contents of
'line'.

Fix "warning: cast from 'const void *' to 'struct compiled_kwset *' drops const qualifier".

* gettext-tools/libgrep/m-fgrep.c (Fexecute): Add 'const'.

Fix "warning: cast from 'const void *' to 'const char **' drops const qualifier".

* gettext-runtime/src/envsubst.c (cmp_string): Add 'const'.

msgfmt: Simplify code.

* gettext-tools/src/msgfmt.c (msgfmt_desktop_bulk): Simplify.

Fix matching of languages in the LINGUAS environment variable.

Setting LINGUAS e.g. to "frs" should not cause fr.mo to get installed,
because Frisian is not a variant of French.

Reported by <arfrever.fta@gmail.com> in <https://savannah.gnu.org/bugs/?59062>.

* gettext-runtime/m4/po.m4 (AM_PO_SUBDIRS, AM_POSTPROCESS_PO_MAKEFILE): Don't
consider $desiredlang a variant of $presentlang unless it has the syntax of a
variant.

Update after gnulib changed.

* configure.ac (AC_PREREQ): Bump minimum Autoconf version to 2.64.
* gettext-runtime/configure.ac (AC_PREREQ): Likewise.
* gettext-runtime/libasprintf/configure.ac (AC_PREREQ): Likewise.
* libtextstyle/configure.ac (AC_PREREQ): Likewise.
* gettext-tools/configure.ac (AC_PREREQ): Likewise.
* gettext-tools/examples/configure.ac (AC_PREREQ): Likewise.

Update to newest gnulib.

build: Add support for clang on Windows.

* m4/woe32-dll.m4 (gl_WOE32_DLL): Set gl_cv_ld_autoimport to 'no' on
MSVC and MSVC/clang.

Optimize also for clang.

* gnulib-local/lib/gettext.h (_LIBGETTEXT_HAVE_VARIABLE_SIZE_ARRAYS): Set to 1
also on clang.

Optimize also for clang.

* gnulib-local/lib/gettext.h (pgettext_aux, npgettext_aux, dcpgettext_expr,
dcnpgettext_expr): Inline also on clang.

Fix quoting of AC_LANG_SOURCE arguments.

* gettext-tools/m4/locale-de.m4 (gt_LOCALE_DE_UTF8): Simplify m4 quoting.

Update after gnulib changed.

* gettext-runtime/intl/verify.h: Update from gnulib.
* gettext-runtime/intl/vasnprintf.c: Likewise.
* gettext-runtime/libasprintf/vasnprintf.c: Likewise.

Update to the newest gnulib.

Update to newest gnulib.

Prefer documented autoconf macro 'm4_if' over 'ifelse'.

* gettext-runtime/m4/gettext.m4 (AM_GNU_GETTEXT): Use m4_if instead of ifelse.
* gettext-runtime/m4/progtest.m4 (AM_PATH_PROG_WITH_TEST): Likewise.

Add comment about test failures on Cygwin.

* gettext-tools/tests/msginit-3: Add comment about a possible test failure.
* gettext-tools/tests/msginit-4: Likewise.

Fix build failure with bison 3.7. Revisit bison Makefile rules.

* gettext-runtime/intl/Makefile.am ($(srcdir)/plural.c): Keep and distribute the
plural.h file. Don't use --output option.
* gettext-tools/src/Makefile.am (YACC): Removed unused variable.
(po-gram-gen.c, po-gram-gen.h): Correct the #line statements in the generated
files.
(po-gram-gen2.h): Likewise.
(cldr-plural.c, cldr-plural.h): Likewise.

build: Fix build failure on Cygwin and mingw.

* gettext-tools/woe32dll/gettextsrc-exports.c: Export formatstring_ruby.

Update to newest gnulib.

Fix build error on Solaris 11 in 32-bit mode.

Reported by Kiyoshi KANAZAWA <yoi_no_myoujou@yahoo.co.jp> in
<https://lists.gnu.org/archive/html/bug-gettext/2020-07/msg00034.html>.

* gnulib-local/lib/getopt-core.h.diff: Don't include <config.h> if it has
already been included. This fixes the compilation of vma-iter.c.

Fix -export-symbols and -export-symbols-regex support on Solaris 11.3.

Apply fix from <https://savannah.gnu.org/patch/?9467>.

On Solaris 11.3 (as opposed to Solaris 11.0), the output of /usr/bin/nm -p
on object files contains, for global variables without initializer, the
letter 'C' (it was 'D' in Solaris 11.0).

* m4/libtool.m4 (_LT_CMD_GLOBAL_SYMBOLS): Adjust symcode for Solaris.

Update post-release steps.

Release 0.21

Update release steps.

Prepare for 0.21 release.

* gettext-tools/examples/hello-*/configure.{ac,in.in}: Reference gettext
version 0.21.

PO file changes from "make distcheck".

Update translations (from the TP).

* gettext-runtime/po/*.po: Update.
* gettext-tools/po/*.po: Update.
* gettext-tools/examples/po/*.po: Update.
* gettext-tools/examples/po/LINGUAS: Add 'nn'.
* gettext-tools/examples/hello-*/po/LINGUAS: Likewise.
* gettext-tools/examples/Makefile.am (EXAMPLESPOFILES): Add nn.po.

Prepare for 0.21 release.

* gettext-runtime/doc/matrix.texi: Update from TP.
* gettext-runtime/doc/nls.texi (STATUS): Update.
* gettext-runtime/intl/libgnuintl.in.h (LIBINTL_VERSION): Bump.
* gettext-tools/libgettextpo/gettext-po.in.h (LIBGETTEXTPO_VERSION): Bump.
* libtextstyle/version.sh: Update VERSION_NUMBER, RELEASE_DATE.
* gettext-runtime/po/Makefile.in.in: Bump Origin version.
* NEWS, libtextstyle/NEWS, gettext-runtime/NEWS: Update.
* libtextstyle/lib/Makefile.am (LTV_*): Bump to 1:1:1.
* gettext-runtime/intl/Makefile.am (LTV_*): Bump to 10:0:2.
* gettext-tools/libgettextpo/Makefile.am (LTV_*): Bump to 5:7:5.
* gettext-tools/configure.ac (ARCHIVE_VERSION): Bump to 0.21.
* gettext-tools/misc/autopoint.in: Allow version 0.21.

doc: Tweak libgettextpo chapter.

* gettext-tools/doc/gettext.texi (libgettextpo): Very small tweaks.

doc: Make function declarations easier to read.

* gettext-tools/doc/gettext.texi: Inside the argument list of function
declarations, use no-break spaces instead of spaces, except directly after
a comma.

doc: Canonicalize source.

* gettext-tools/doc/gettext.texi: Prefer long lines to @<newline> breaks.

doc: Add Checking API

* gettext-tools/doc/gettext.texi (Checking API): New subsection.  Add
po_file_check_all, po_message_check_all, and po_message_check_format
documentation
(libgettextpo): Add entry to the menu.

doc: Update po_message_t API (VI)

* gettext-tools/doc/gettext.texi (po_message_t API): Add previous
message contents accessors po_message_prev_msgctxt,
po_message_set_prev_msgctxt, po_message_prev_msgid,
po_message_set_prev_msgid, po_message_prev_msgid_plural, and
po_message_set_prev_msgid_plural documentation.

doc: Add format type API

* gettext-tools/doc/gettext.texi (Format Type API): New subsection.
Add po_format_list and po_format_pretty_name documentation.

doc: Update po_message_t API (V)

* gettext-tools/doc/gettext.texi (po_message_t API): Update references
to the variable from the function declaration.

doc: Update po_message_t API (IV)

* gettext-tools/doc/gettext.texi (po_message_t API): Add
po_message_is_obsolete, po_message_set_obsolete, po_message_is_fuzzy,
po_message_set_fuzzy, po_message_is_format, po_message_set_format,
po_message_is_range, and po_message_set_range documentation.

doc: Add po_filepos_t API

* gettext-tools/doc/gettext.texi (po_filepos_t API): New
subsection. Add po_message_filepos, po_message_remove_filepos, and
po_message_add_filepos documentation.
(libgettextpo): Add new subsection to the menu.

doc: Add Header Entry API

* gettext-tools/doc/gettext.texi (PO Header Entry API): New
subsection.  Add po_file_domain_header, po_header_field and
po_header_set_field documentation.
(libgettextpo): Add subsection to the menu.

doc: Update po_message_t API (III)

* gettext-tools/doc/gettext.texi (po_message_t API): Add
po_message_set_msgctxt, po_message_set_msgid,
po_message_set_msgid_plural, po_message_set_msgstr,
po_message_set_msgstr_plural, po_message_set_comments, and
po_message_set_extracted_comments documentation.

doc: Update po_message_t API (II)

* gettext-tools/doc/gettext.texi (po_message_t API): Add
po_message_msgctxt, po_message_comments, and
po_message_extracted_comments documentation.

doc: Update po_message_t API (I)

* gettext-tools/doc/gettext.texi (po_message_t API): Add
po_message_create documentation.

doc: Update libgettextpo example

* gettext-tools/doc/gettext.texi (libgettextpo): Update example to the
latest API.

doc: Move libgettextpo example to the front subsection.

* gettext-tools/doc/gettext.texi (po_message_t API): Move example from
here...
(libgettextpo): ... back to here.

doc: Split libgettextpo documentation into subsections

* gettext-tools/doc/gettext.texi (libgettextpo): Add a menu and split
the functions an types into separate subsections.
(Error Handling): New subsection.
(po_file_t API): New subsection
(po_message_iterator_t API). New subsection.
(po_message_t API): New subsection.