Regenerate .pot files

gcc/po/
	* gcc.pot: Regenerate.

libcpp/po/
	* cpplib.pot: Regenerate.

1 files changed, 329 insertions, 212 deletions

diff --git a/libcpp/po/cpplib.pot b/libcpp/po/cpplib.pot
index 7363759..873bb76 100644
--- a/libcpp/po/cpplib.pot
+++ b/libcpp/po/cpplib.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: https://gcc.gnu.org/bugs/\n"
-"POT-Creation-Date: 2022-02-11 23:02+0000\n"
+"POT-Creation-Date: 2023-02-10 22:39+0000\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -37,7 +37,7 @@ msgid "character 0x%lx is not in the basic source character set\n"
 msgstr ""
 
 #: charset.cc:811
-#: charset.cc:1800
+#: charset.cc:2420
 msgid "converting to execution character set"
 msgstr ""
 
@@ -46,129 +46,215 @@ msgstr ""
 msgid "character 0x%lx is not unibyte in execution character set"
 msgstr ""
 
-#: charset.cc:1087
+#: charset.cc:1437
 msgid "universal character names are only valid in C++ and C99"
 msgstr ""
 
-#: charset.cc:1091
+#: charset.cc:1441
 msgid "C99's universal character names are incompatible with C90"
 msgstr ""
 
-#: charset.cc:1094
+#: charset.cc:1444
 #, c-format
 msgid "the meaning of '\\%c' is different in traditional C"
 msgstr ""
 
-#: charset.cc:1103
+#: charset.cc:1483
+msgid "'\\N' not followed by '{'"
+msgstr ""
+
+#: charset.cc:1513
+msgid ""
+"empty named universal character escape sequence; treating it as separate "
+"tokens"
+msgstr ""
+
+#: charset.cc:1520
+msgid "empty named universal character escape sequence"
+msgstr ""
+
+#: charset.cc:1525
+msgid "named universal character escapes are only valid in C++23"
+msgstr ""
+
+#: charset.cc:1545
+#, c-format
+msgid ""
+"\\N{%.*s} is not a valid universal character; treating it as separate tokens"
+msgstr ""
+
+#: charset.cc:1551
+#, c-format
+msgid "\\N{%.*s} is not a valid universal character"
+msgstr ""
+
+#: charset.cc:1561
+#, c-format
+msgid "did you mean \\N{%s}?"
+msgstr ""
+
+#: charset.cc:1579
+#, c-format
+msgid ""
+"'\\N{' not terminated with '}' after %.*s; treating it as separate tokens"
+msgstr ""
+
+#: charset.cc:1588
+#, c-format
+msgid "'\\N{' not terminated with '}' after %.*s"
+msgstr ""
+
+#: charset.cc:1596
 msgid "In _cpp_valid_ucn but not a UCN"
 msgstr ""
 
-#: charset.cc:1136
+#: charset.cc:1638
+msgid "empty delimited escape sequence; treating it as separate tokens"
+msgstr ""
+
+#: charset.cc:1645
+#: charset.cc:1978
+#: charset.cc:2081
+msgid "empty delimited escape sequence"
+msgstr ""
+
+#: charset.cc:1649
+#: charset.cc:1984
+#: charset.cc:2087
+msgid "delimited escape sequences are only valid in C++23"
+msgstr ""
+
+#: charset.cc:1663
+#, c-format
+msgid ""
+"'\\u{' not terminated with '}' after %.*s; treating it as separate tokens"
+msgstr ""
+
+#: charset.cc:1675
 #, c-format
 msgid "incomplete universal character name %.*s"
 msgstr ""
 
-#: charset.cc:1151
+#: charset.cc:1679
+#, c-format
+msgid "'\\u{' not terminated with '}' after %.*s"
+msgstr ""
+
+#: charset.cc:1694
 #, c-format
 msgid "%.*s is not a valid universal character"
 msgstr ""
 
-#: charset.cc:1161
-#: lex.cc:1876
+#: charset.cc:1704
+#: lex.cc:2079
 msgid "'$' in identifier or number"
 msgstr ""
 
-#: charset.cc:1171
+#: charset.cc:1714
 #, c-format
 msgid "universal character %.*s is not valid in an identifier"
 msgstr ""
 
-#: charset.cc:1175
+#: charset.cc:1718
 #, c-format
 msgid "universal character %.*s is not valid at the start of an identifier"
 msgstr ""
 
-#: charset.cc:1182
+#: charset.cc:1725
 #, c-format
 msgid "%.*s is outside the UCS codespace"
 msgstr ""
 
-#: charset.cc:1227
-#: charset.cc:2145
+#: charset.cc:1769
+#: charset.cc:2797
 msgid "converting UCN to source character set"
 msgstr ""
 
-#: charset.cc:1234
+#: charset.cc:1776
 msgid "converting UCN to execution character set"
 msgstr ""
 
-#: charset.cc:1298
+#: charset.cc:1840
 #, c-format
 msgid "extended character %.*s is not valid in an identifier"
 msgstr ""
 
-#: charset.cc:1315
+#: charset.cc:1857
 #, c-format
 msgid "extended character %.*s is not valid at the start of an identifier"
 msgstr ""
 
-#: charset.cc:1401
+#: charset.cc:1945
 msgid "the meaning of '\\x' is different in traditional C"
 msgstr ""
 
-#: charset.cc:1426
+#: charset.cc:1992
 msgid "\\x used with no following hex digits"
 msgstr ""
 
-#: charset.cc:1433
+#: charset.cc:1998
+#, c-format
+msgid "'\\x{' not terminated with '}' after %.*s"
+msgstr ""
+
+#: charset.cc:2006
 msgid "hex escape sequence out of range"
 msgstr ""
 
-#: charset.cc:1483
+#: charset.cc:2049
+msgid "'\\o' not followed by '{'"
+msgstr ""
+
+#: charset.cc:2093
+#, c-format
+msgid "'\\o{' not terminated with '}' after %.*s"
+msgstr ""
+
+#: charset.cc:2102
 msgid "octal escape sequence out of range"
 msgstr ""
 
-#: charset.cc:1564
+#: charset.cc:2184
 msgid "the meaning of '\\a' is different in traditional C"
 msgstr ""
 
-#: charset.cc:1571
+#: charset.cc:2191
 #, c-format
 msgid "non-ISO-standard escape sequence, '\\%c'"
 msgstr ""
 
-#: charset.cc:1579
+#: charset.cc:2199
 #, c-format
 msgid "unknown escape sequence: '\\%c'"
 msgstr ""
 
-#: charset.cc:1589
+#: charset.cc:2209
 #, c-format
 msgid "unknown escape sequence: '\\%s'"
 msgstr ""
 
-#: charset.cc:1597
+#: charset.cc:2217
 msgid "converting escape sequence to execution character set"
 msgstr ""
 
-#: charset.cc:1737
+#: charset.cc:2357
 msgid "missing open quote"
 msgstr ""
 
-#: charset.cc:1955
-#: charset.cc:2034
+#: charset.cc:2575
+#: charset.cc:2658
 msgid "character constant too long for its type"
 msgstr ""
 
-#: charset.cc:1958
+#: charset.cc:2578
 msgid "multi-character character constant"
 msgstr ""
 
-#: charset.cc:2074
+#: charset.cc:2698
 msgid "empty character constant"
 msgstr ""
 
-#: charset.cc:2230
+#: charset.cc:2882
 #, c-format
 msgid "failure to convert %s to %s"
 msgstr ""
@@ -184,279 +270,282 @@ msgstr ""
 msgid "#%s is a GCC extension"
 msgstr ""
 
-#: directives.cc:392
+#: directives.cc:394
+#: directives.cc:2152
+#: directives.cc:2191
+#, c-format
+msgid "#%s before C++23 is a GCC extension"
+msgstr ""
+
+#: directives.cc:397
+#: directives.cc:401
+#: directives.cc:2156
+#: directives.cc:2195
+#, c-format
+msgid "#%s before C2X is a GCC extension"
+msgstr ""
+
+#: directives.cc:407
 #, c-format
 msgid "#%s is a deprecated GCC extension"
 msgstr ""
 
-#: directives.cc:405
+#: directives.cc:420
 msgid "suggest not using #elif in traditional C"
 msgstr ""
 
-#: directives.cc:408
+#: directives.cc:423
 #, c-format
 msgid "traditional C ignores #%s with the # indented"
 msgstr ""
 
-#: directives.cc:412
+#: directives.cc:427
 #, c-format
 msgid "suggest hiding #%s from traditional C with an indented #"
 msgstr ""
 
-#: directives.cc:438
+#: directives.cc:453
 msgid "embedding a directive within macro arguments is not portable"
 msgstr ""
 
-#: directives.cc:466
+#: directives.cc:481
 msgid "style of line directive is a GCC extension"
 msgstr ""
 
-#: directives.cc:541
+#: directives.cc:556
 #, c-format
 msgid "invalid preprocessing directive #%s; did you mean #%s?"
 msgstr ""
 
-#: directives.cc:547
+#: directives.cc:562
 #, c-format
 msgid "invalid preprocessing directive #%s"
 msgstr ""
 
-#: directives.cc:617
+#: directives.cc:632
 #, c-format
 msgid "\"%s\" cannot be used as a macro name"
 msgstr ""
 
-#: directives.cc:624
+#: directives.cc:639
 #, c-format
 msgid "\"%s\" cannot be used as a macro name as it is an operator in C++"
 msgstr ""
 
-#: directives.cc:627
+#: directives.cc:642
 #, c-format
 msgid "no macro name given in #%s directive"
 msgstr ""
 
-#: directives.cc:630
+#: directives.cc:645
 msgid "macro names must be identifiers"
 msgstr ""
 
-#: directives.cc:679
-#: directives.cc:684
+#: directives.cc:694
+#: directives.cc:699
 #, c-format
 msgid "undefining \"%s\""
 msgstr ""
 
-#: directives.cc:741
+#: directives.cc:756
 msgid "missing terminating > character"
 msgstr ""
 
-#: directives.cc:800
+#: directives.cc:815
 #, c-format
 msgid "#%s expects \"FILENAME\" or <FILENAME>"
 msgstr ""
 
-#: directives.cc:846
+#: directives.cc:861
 #, c-format
 msgid "empty filename in #%s"
 msgstr ""
 
-#: directives.cc:855
+#: directives.cc:870
 #, c-format
 msgid ""
 "#include nested depth %u exceeds maximum of %u (use -fmax-include-"
 "depth=DEPTH to increase the maximum)"
 msgstr ""
 
-#: directives.cc:900
+#: directives.cc:915
 msgid "#include_next in primary source file"
 msgstr ""
 
-#: directives.cc:926
+#: directives.cc:941
 #, c-format
 msgid "invalid flag \"%s\" in line directive"
 msgstr ""
 
-#: directives.cc:993
+#: directives.cc:1008
 msgid "unexpected end of file after #line"
 msgstr ""
 
-#: directives.cc:996
+#: directives.cc:1011
 #, c-format
 msgid "\"%s\" after #line is not a positive integer"
 msgstr ""
 
-#: directives.cc:1002
-#: directives.cc:1004
+#: directives.cc:1017
+#: directives.cc:1019
 msgid "line number out of range"
 msgstr ""
 
-#: directives.cc:1017
-#: directives.cc:1098
+#: directives.cc:1032
+#: directives.cc:1113
 #, c-format
 msgid "\"%s\" is not a valid filename"
 msgstr ""
 
-#: directives.cc:1058
+#: directives.cc:1073
 #, c-format
 msgid "\"%s\" after # is not a positive integer"
 msgstr ""
 
-#: directives.cc:1125
+#: directives.cc:1140
 #, c-format
 msgid "file \"%s\" linemarker ignored due to incorrect nesting"
 msgstr ""
 
-#: directives.cc:1203
-#: directives.cc:1205
-#: directives.cc:1207
-#: directives.cc:1795
+#: directives.cc:1218
+#: directives.cc:1220
+#: directives.cc:1222
+#: directives.cc:1810
 #, c-format
 msgid "%s"
 msgstr ""
 
-#: directives.cc:1231
+#: directives.cc:1246
 #, c-format
 msgid "invalid #%s directive"
 msgstr ""
 
-#: directives.cc:1294
+#: directives.cc:1309
 #, c-format
 msgid "registering pragmas in namespace \"%s\" with mismatched name expansion"
 msgstr ""
 
-#: directives.cc:1303
+#: directives.cc:1318
 #, c-format
 msgid "registering pragma \"%s\" with name expansion and no namespace"
 msgstr ""
 
-#: directives.cc:1321
+#: directives.cc:1336
 #, c-format
 msgid "registering \"%s\" as both a pragma and a pragma namespace"
 msgstr ""
 
-#: directives.cc:1324
+#: directives.cc:1339
 #, c-format
 msgid "#pragma %s %s is already registered"
 msgstr ""
 
-#: directives.cc:1327
+#: directives.cc:1342
 #, c-format
 msgid "#pragma %s is already registered"
 msgstr ""
 
-#: directives.cc:1357
+#: directives.cc:1372
 msgid "registering pragma with NULL handler"
 msgstr ""
 
-#: directives.cc:1574
+#: directives.cc:1589
 msgid "#pragma once in main file"
 msgstr ""
 
-#: directives.cc:1597
+#: directives.cc:1612
 msgid "invalid #pragma push_macro directive"
 msgstr ""
 
-#: directives.cc:1654
+#: directives.cc:1669
 msgid "invalid #pragma pop_macro directive"
 msgstr ""
 
-#: directives.cc:1709
+#: directives.cc:1724
 msgid "invalid #pragma GCC poison directive"
 msgstr ""
 
-#: directives.cc:1718
+#: directives.cc:1733
 #, c-format
 msgid "poisoning existing macro \"%s\""
 msgstr ""
 
-#: directives.cc:1737
+#: directives.cc:1752
 msgid "#pragma system_header ignored outside include file"
 msgstr ""
 
-#: directives.cc:1762
+#: directives.cc:1777
 #, c-format
 msgid "cannot find source file %s"
 msgstr ""
 
-#: directives.cc:1766
+#: directives.cc:1781
 #, c-format
 msgid "current file is older than %s"
 msgstr ""
 
-#: directives.cc:1790
+#: directives.cc:1805
 #, c-format
 msgid "invalid \"#pragma GCC %s\" directive"
 msgstr ""
 
-#: directives.cc:1992
+#: directives.cc:2008
 msgid "_Pragma takes a parenthesized string literal"
 msgstr ""
 
-#: directives.cc:2075
+#: directives.cc:2091
 msgid "#else without #if"
 msgstr ""
 
-#: directives.cc:2080
+#: directives.cc:2096
 msgid "#else after #else"
 msgstr ""
 
-#: directives.cc:2082
-#: directives.cc:2116
+#: directives.cc:2098
+#: directives.cc:2132
 msgid "the conditional began here"
 msgstr ""
 
-#: directives.cc:2108
+#: directives.cc:2124
 #, c-format
 msgid "#%s without #if"
 msgstr ""
 
-#: directives.cc:2113
+#: directives.cc:2129
 #, c-format
 msgid "#%s after #else"
 msgstr ""
 
-#: directives.cc:2136
-#: directives.cc:2175
-#, c-format
-msgid "#%s before C++23 is a GCC extension"
-msgstr ""
-
-#: directives.cc:2140
-#: directives.cc:2179
-#, c-format
-msgid "#%s before C2X is a GCC extension"
-msgstr ""
-
-#: directives.cc:2215
+#: directives.cc:2231
 msgid "#endif without #if"
 msgstr ""
 
-#: directives.cc:2291
+#: directives.cc:2307
 msgid "missing '(' after predicate"
 msgstr ""
 
-#: directives.cc:2309
+#: directives.cc:2325
 msgid "missing ')' to complete answer"
 msgstr ""
 
-#: directives.cc:2321
+#: directives.cc:2337
 msgid "predicate's answer is empty"
 msgstr ""
 
-#: directives.cc:2351
+#: directives.cc:2367
 msgid "assertion without predicate"
 msgstr ""
 
-#: directives.cc:2354
+#: directives.cc:2370
 msgid "predicate must be an identifier"
 msgstr ""
 
-#: directives.cc:2436
+#: directives.cc:2452
 #, c-format
 msgid "\"%s\" re-asserted"
 msgstr ""
 
-#: directives.cc:2754
+#: directives.cc:2770
 #, c-format
 msgid "unterminated #%s"
 msgstr ""
@@ -471,180 +560,180 @@ msgstr ""
 msgid "stdout"
 msgstr ""
 
-#: expr.cc:632
-#: expr.cc:749
+#: expr.cc:646
+#: expr.cc:763
 msgid "fixed-point constants are a GCC extension"
 msgstr ""
 
-#: expr.cc:657
+#: expr.cc:671
 msgid "invalid prefix \"0b\" for floating constant"
 msgstr ""
 
-#: expr.cc:670
+#: expr.cc:684
 msgid "use of C++17 hexadecimal floating constant"
 msgstr ""
 
-#: expr.cc:673
+#: expr.cc:687
 msgid "use of C99 hexadecimal floating constant"
 msgstr ""
 
-#: expr.cc:717
+#: expr.cc:731
 #, c-format
 msgid "invalid suffix \"%.*s\" on floating constant"
 msgstr ""
 
-#: expr.cc:728
-#: expr.cc:795
+#: expr.cc:742
+#: expr.cc:809
 #, c-format
 msgid "traditional C rejects the \"%.*s\" suffix"
 msgstr ""
 
-#: expr.cc:736
+#: expr.cc:750
 msgid "suffix for double constant is a GCC extension"
 msgstr ""
 
-#: expr.cc:742
+#: expr.cc:756
 #, c-format
 msgid "invalid suffix \"%.*s\" with hexadecimal floating constant"
 msgstr ""
 
-#: expr.cc:755
-#: expr.cc:759
+#: expr.cc:769
+#: expr.cc:773
 msgid "decimal float constants are a C2X feature"
 msgstr ""
 
-#: expr.cc:778
+#: expr.cc:792
 #, c-format
 msgid "invalid suffix \"%.*s\" on integer constant"
 msgstr ""
 
-#: expr.cc:803
+#: expr.cc:817
 msgid "use of C++11 long long integer constant"
 msgstr ""
 
-#: expr.cc:804
+#: expr.cc:818
 msgid "use of C99 long long integer constant"
 msgstr ""
 
-#: expr.cc:818
+#: expr.cc:832
 msgid "use of C++23 %<size_t%> integer constant"
 msgstr ""
 
-#: expr.cc:819
+#: expr.cc:833
 msgid "use of C++23 %<make_signed_t<size_t>%> integer constant"
 msgstr ""
 
-#: expr.cc:830
+#: expr.cc:844
 msgid "imaginary constants are a GCC extension"
 msgstr ""
 
-#: expr.cc:837
+#: expr.cc:851
 msgid "binary constants are a C++14 feature or GCC extension"
 msgstr ""
 
-#: expr.cc:839
+#: expr.cc:853
 msgid "binary constants are a C2X feature or GCC extension"
 msgstr ""
 
-#: expr.cc:844
+#: expr.cc:858
 msgid "binary constants are a C2X feature"
 msgstr ""
 
-#: expr.cc:940
+#: expr.cc:954
 msgid "integer constant is too large for its type"
 msgstr ""
 
-#: expr.cc:971
+#: expr.cc:985
 msgid "integer constant is so large that it is unsigned"
 msgstr ""
 
-#: expr.cc:1066
+#: expr.cc:1080
 msgid "missing ')' after \"defined\""
 msgstr ""
 
-#: expr.cc:1073
+#: expr.cc:1087
 msgid "operator \"defined\" requires an identifier"
 msgstr ""
 
-#: expr.cc:1081
+#: expr.cc:1095
 #, c-format
 msgid "(\"%s\" is an alternative token for \"%s\" in C++)"
 msgstr ""
 
-#: expr.cc:1094
+#: expr.cc:1108
 msgid "this use of \"defined\" may not be portable"
 msgstr ""
 
-#: expr.cc:1139
+#: expr.cc:1153
 msgid "user-defined literal in preprocessor expression"
 msgstr ""
 
-#: expr.cc:1144
+#: expr.cc:1158
 msgid "floating constant in preprocessor expression"
 msgstr ""
 
-#: expr.cc:1150
+#: expr.cc:1164
 msgid "imaginary number in preprocessor expression"
 msgstr ""
 
-#: expr.cc:1199
+#: expr.cc:1213
 #, c-format
 msgid "\"%s\" is not defined, evaluates to 0"
 msgstr ""
 
-#: expr.cc:1212
+#: expr.cc:1226
 msgid "assertions are a GCC extension"
 msgstr ""
 
-#: expr.cc:1215
+#: expr.cc:1229
 msgid "assertions are a deprecated extension"
 msgstr ""
 
-#: expr.cc:1461
+#: expr.cc:1479
 #, c-format
 msgid "unbalanced stack in %s"
 msgstr ""
 
-#: expr.cc:1481
+#: expr.cc:1499
 #, c-format
 msgid "impossible operator '%u'"
 msgstr ""
 
-#: expr.cc:1582
+#: expr.cc:1600
 msgid "missing ')' in expression"
 msgstr ""
 
-#: expr.cc:1611
+#: expr.cc:1629
 msgid "'?' without following ':'"
 msgstr ""
 
-#: expr.cc:1621
+#: expr.cc:1639
 msgid "integer overflow in preprocessor expression"
 msgstr ""
 
-#: expr.cc:1626
+#: expr.cc:1644
 msgid "missing '(' in expression"
 msgstr ""
 
-#: expr.cc:1658
+#: expr.cc:1676
 #, c-format
 msgid "the left operand of \"%s\" changes sign when promoted"
 msgstr ""
 
-#: expr.cc:1663
+#: expr.cc:1681
 #, c-format
 msgid "the right operand of \"%s\" changes sign when promoted"
 msgstr ""
 
-#: expr.cc:1922
+#: expr.cc:1940
 msgid "traditional C rejects the unary plus operator"
 msgstr ""
 
-#: expr.cc:2020
+#: expr.cc:2038
 msgid "comma operator in operand of #if"
 msgstr ""
 
-#: expr.cc:2156
+#: expr.cc:2174
 msgid "division by zero in #if"
 msgstr ""
 
@@ -684,231 +773,259 @@ msgstr ""
 msgid "Multiple include guards may be useful for:\n"
 msgstr ""
 
-#: init.cc:618
+#: init.cc:631
 msgid "cppchar_t must be an unsigned type"
 msgstr ""
 
-#: init.cc:622
+#: init.cc:635
 #, c-format
 msgid ""
 "preprocessor arithmetic has maximum precision of %lu bits; target requires "
 "%lu bits"
 msgstr ""
 
-#: init.cc:629
+#: init.cc:642
 msgid "CPP arithmetic must be at least as precise as a target int"
 msgstr ""
 
-#: init.cc:632
+#: init.cc:645
 msgid "target char is less than 8 bits wide"
 msgstr ""
 
-#: init.cc:636
+#: init.cc:649
 msgid "target wchar_t is narrower than target char"
 msgstr ""
 
-#: init.cc:640
+#: init.cc:653
 msgid "target int is narrower than target char"
 msgstr ""
 
-#: init.cc:645
+#: init.cc:658
 msgid "CPP half-integer narrower than CPP character"
 msgstr ""
 
-#: init.cc:649
+#: init.cc:662
 #, c-format
 msgid ""
 "CPP on this host cannot handle wide character constants over %lu bits, but "
 "the target requires %lu bits"
 msgstr ""
 
-#: lex.cc:1126
+#: lex.cc:1132
 msgid "backslash and newline separated by space"
 msgstr ""
 
-#: lex.cc:1131
+#: lex.cc:1137
 msgid "backslash-newline at end of file"
 msgstr ""
 
-#: lex.cc:1147
+#: lex.cc:1153
 #, c-format
 msgid "trigraph ??%c converted to %c"
 msgstr ""
 
-#: lex.cc:1155
+#: lex.cc:1161
 #, c-format
 msgid "trigraph ??%c ignored, use -trigraphs to enable"
 msgstr ""
 
-#: lex.cc:1536
+#: lex.cc:1610
 msgid "end of bidirectional context"
 msgstr ""
 
-#: lex.cc:1577
+#: lex.cc:1651
 msgid "unpaired UTF-8 bidirectional control characters detected"
 msgstr ""
 
-#: lex.cc:1581
+#: lex.cc:1655
 msgid "unpaired UTF-8 bidirectional control character detected"
 msgstr ""
 
-#: lex.cc:1619
+#: lex.cc:1693
 #, c-format
 msgid "UTF-8 vs UCN mismatch when closing a context by \"%s\""
 msgstr ""
 
-#: lex.cc:1628
+#: lex.cc:1702
 #, c-format
 msgid "\"%s\" is closing an unopened context"
 msgstr ""
 
-#: lex.cc:1632
+#: lex.cc:1706
 #, c-format
 msgid "found problematic Unicode character \"%s\""
 msgstr ""
 
-#: lex.cc:1682
+#: lex.cc:1736
+#: lex.cc:1742
+#, c-format
+msgid "invalid UTF-8 character <%x>"
+msgstr ""
+
+#: lex.cc:1752
+#: lex.cc:1758
+#, c-format
+msgid "invalid UTF-8 character <%x><%x>"
+msgstr ""
+
+#: lex.cc:1768
+#: lex.cc:1774
+#, c-format
+msgid "invalid UTF-8 character <%x><%x><%x>"
+msgstr ""
+
+#: lex.cc:1784
+#: lex.cc:1790
+#, c-format
+msgid "invalid UTF-8 character <%x><%x><%x><%x>"
+msgstr ""
+
+#: lex.cc:1872
 msgid "\"/*\" within comment"
 msgstr ""
 
-#: lex.cc:1772
+#: lex.cc:1976
 #, c-format
 msgid "%s in preprocessing directive"
 msgstr ""
 
-#: lex.cc:1784
+#: lex.cc:1988
 msgid "null character(s) ignored"
 msgstr ""
 
-#: lex.cc:1844
+#: lex.cc:2049
 #, c-format
 msgid "`%.*s' is not in NFKC"
 msgstr ""
 
-#: lex.cc:1847
-#: lex.cc:1850
+#: lex.cc:2052
+#: lex.cc:2055
 #, c-format
 msgid "`%.*s' is not in NFC"
 msgstr ""
 
-#: lex.cc:1932
+#: lex.cc:2141
 msgid "__VA_OPT__ is not available until C++20"
 msgstr ""
 
-#: lex.cc:1939
+#: lex.cc:2144
+msgid "__VA_OPT__ is not available until C2X"
+msgstr ""
+
+#: lex.cc:2152
 msgid "__VA_OPT__ can only appear in the expansion of a C++20 variadic macro"
 msgstr ""
 
-#: lex.cc:1970
-#: lex.cc:2066
+#: lex.cc:2183
+#: lex.cc:2279
 #, c-format
 msgid "attempt to use poisoned \"%s\""
 msgstr ""
 
-#: lex.cc:1980
-#: lex.cc:2076
+#: lex.cc:2193
+#: lex.cc:2289
 msgid "__VA_ARGS__ can only appear in the expansion of a C++11 variadic macro"
 msgstr ""
 
-#: lex.cc:1984
-#: lex.cc:2080
+#: lex.cc:2197
+#: lex.cc:2293
 msgid "__VA_ARGS__ can only appear in the expansion of a C99 variadic macro"
 msgstr ""
 
-#: lex.cc:1994
-#: lex.cc:2092
+#: lex.cc:2207
+#: lex.cc:2305
 #, c-format
 msgid "identifier \"%s\" is a special operator name in C++"
 msgstr ""
 
-#: lex.cc:2132
+#: lex.cc:2345
 msgid "adjacent digit separators"
 msgstr ""
 
-#: lex.cc:2450
+#: lex.cc:2665
 msgid "raw string delimiter longer than 16 characters"
 msgstr ""
 
-#: lex.cc:2454
+#: lex.cc:2669
 msgid "invalid new-line in raw string delimiter"
 msgstr ""
 
-#: lex.cc:2458
-#: lex.cc:5257
+#: lex.cc:2673
+#: lex.cc:5519
 #, c-format
 msgid "invalid character '%c' in raw string delimiter"
 msgstr ""
 
-#: lex.cc:2497
-#: lex.cc:2520
+#: lex.cc:2711
+#: lex.cc:2734
 msgid "unterminated raw string"
 msgstr ""
 
-#: lex.cc:2552
-#: lex.cc:2701
+#: lex.cc:2770
+#: lex.cc:2922
 msgid ""
 "invalid suffix on literal; C++11 requires a space between literal and string "
 "macro"
 msgstr ""
 
-#: lex.cc:2684
+#: lex.cc:2905
 msgid "null character(s) preserved in literal"
 msgstr ""
 
-#: lex.cc:2687
+#: lex.cc:2908
 #, c-format
 msgid "missing terminating %c character"
 msgstr ""
 
-#: lex.cc:2719
+#: lex.cc:2940
 msgid "C++11 requires a space between string literal and macro"
 msgstr ""
 
-#: lex.cc:3312
+#: lex.cc:3533
 msgid "module control-line cannot be in included file"
 msgstr ""
 
-#: lex.cc:3326
+#: lex.cc:3547
 #, c-format
 msgid "module control-line \"%s\" cannot be an object-like macro"
 msgstr ""
 
-#: lex.cc:3714
-#: lex.cc:5090
+#: lex.cc:3949
+#: lex.cc:5352
 #: traditional.cc:174
 msgid "unterminated comment"
 msgstr ""
 
-#: lex.cc:3728
-#: lex.cc:3762
+#: lex.cc:3963
+#: lex.cc:3997
 msgid "C++ style comments are not allowed in ISO C90"
 msgstr ""
 
-#: lex.cc:3730
-#: lex.cc:3741
-#: lex.cc:3765
+#: lex.cc:3965
+#: lex.cc:3976
+#: lex.cc:4000
 msgid "(this will be reported only once per input file)"
 msgstr ""
 
-#: lex.cc:3739
+#: lex.cc:3974
 msgid "C++ style comments are incompatible with C90"
 msgstr ""
 
-#: lex.cc:3771
+#: lex.cc:4006
 msgid "multi-line comment"
 msgstr ""
 
-#: lex.cc:4165
+#: lex.cc:4427
 #, c-format
 msgid "unspellable token %s"
 msgstr ""
 
-#: lex.cc:5245
+#: lex.cc:5507
 #, c-format
 msgid "raw string delimiter longer than %d characters"
 msgstr ""
 
-#: lex.cc:5315
+#: lex.cc:5577
 msgid "unterminated literal"
 msgstr ""