diff --git a/po/da.po b/po/da.po
index 764573c..6b38b26 100644
--- a/po/da.po
+++ b/po/da.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:42+1100\n"
 "Last-Translator: Joe Hansen <joedalton2@yahoo.dk>\n"
 "Language-Team: Danish <dansk@dansk-gruppen.dk>\n"
@@ -56,22 +56,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: ugyldig værdi for --max-turn: »%s«\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: ugyldig operand »%s«\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: ugyldigt spilnummer »%s«\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: ekstra operand »%s«\n"
@@ -79,7 +79,7 @@ msgstr "%s: ekstra operand »%s«\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -107,17 +107,17 @@ msgstr ""
 "program har INGEN GARANTI, indenfor lovens rammer; se licensen for yderligere\n"
 "detaljer.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Prøv »%s --help« for yderligere information.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Brug: %s [TILVALG ...] [SPIL]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -126,7 +126,7 @@ msgstr ""
 "Spil Star Traders, et simpelt spil med rumhandel.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -143,7 +143,7 @@ msgstr ""
 "      --max-turn=ANT   sæt antallet af runder til ANT\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -160,7 +160,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -172,7 +172,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -181,12 +181,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Rapporter fejl for %s til <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Hjemmeside for Star Traders: <%s>.\n"
@@ -1677,31 +1677,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Nej"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "ikke nok hukommelse"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: »%s«"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: »%lc«"
diff --git a/po/de.po b/po/de.po
index b7962e9..367256f 100644
--- a/po/de.po
+++ b/po/de.po
@@ -15,7 +15,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 18:48+1100\n"
 "Last-Translator: Mario Blättermann <mario.blaettermann@gmail.com>\n"
 "Language-Team: German <translation-team-de@lists.sourceforge.net>\n"
@@ -57,22 +57,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: ungültiger Wert für --max-turn: „%s“\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: ungültiger Operand „%s“\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: ungültige Spielnummer „%s“\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: zusätzlicher Operand „%s“\n"
@@ -80,7 +80,7 @@ msgstr "%s: zusätzlicher Operand „%s“\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -109,17 +109,17 @@ msgstr ""
 "Programm hat KEINERLEI GARANTIE, soweit die Gesetzgebung dies zulässt;\n"
 "bitte lesen Sie die Lizenz für die Details.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Versuchen Sie „%s --help“ für ausführlichere Informationen.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Aufruf: %s [OPTION ...] [SPIEL]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -128,7 +128,7 @@ msgstr ""
 "Spielen Sie Star Trader, ein einfaches Spiel um interstellaren Handel.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -145,7 +145,7 @@ msgstr ""
 "      --max-turn=ZAHL  die maximale Anzahl von Runden auf ZAHL setzen\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -163,7 +163,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -176,7 +176,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -186,12 +186,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Melden Sie %s Fehler an <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Homepage von Star Traders: <%s>.\n"
@@ -1677,31 +1677,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Nein"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "Kein freier Speicher mehr vorhanden"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: „%s“"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: „%lc“"
diff --git a/po/en_AU.po b/po/en_AU.po
index 19e76b6..f456ba8 100644
--- a/po/en_AU.po
+++ b/po/en_AU.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:47+1100\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: English (Australian) <(nothing)>\n"
@@ -55,22 +55,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: invalid value for --max-turn: ‘%s’\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: invalid operand ‘%s’\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: invalid game number ‘%s’\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: extra operand ‘%s’\n"
@@ -78,7 +78,7 @@ msgstr "%s: extra operand ‘%s’\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -105,17 +105,17 @@ msgstr ""
 "modify and/or distribute it under certain conditions.  This program has\n"
 "NO WARRANTY, to the extent permitted by law; see the License for details.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Try ‘%s --help’ for more information.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Usage: %s [OPTION ...] [GAME]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -124,7 +124,7 @@ msgstr ""
 "Play Star Traders, a simple game of interstellar trading.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -141,7 +141,7 @@ msgstr ""
 "      --max-turn=NUM   set the number of turns to NUM\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -158,7 +158,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr "Report bugs to %s <%s>.\n"
@@ -168,19 +168,19 @@ msgstr "Report bugs to %s <%s>.\n"
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr "Report bugs to <%s>.\n"
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Report %s bugs to <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Star Traders home page: <%s>.\n"
@@ -1662,31 +1662,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "No"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "out of memory"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: ‘%s’"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: ‘%lc’"
diff --git a/po/en_CA.po b/po/en_CA.po
index 8ed8570..8979048 100644
--- a/po/en_CA.po
+++ b/po/en_CA.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:47+1100\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: English (Canadian) <(nothing)>\n"
@@ -55,22 +55,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: invalid value for --max-turn: ‘%s’\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: invalid operand ‘%s’\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: invalid game number ‘%s’\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: extra operand ‘%s’\n"
@@ -78,7 +78,7 @@ msgstr "%s: extra operand ‘%s’\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -105,17 +105,17 @@ msgstr ""
 "modify and/or distribute it under certain conditions.  This program has\n"
 "NO WARRANTY, to the extent permitted by law; see the License for details.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Try ‘%s --help’ for more information.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Usage: %s [OPTION ...] [GAME]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -124,7 +124,7 @@ msgstr ""
 "Play Star Traders, a simple game of interstellar trading.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -141,7 +141,7 @@ msgstr ""
 "      --max-turn=NUM   set the number of turns to NUM\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -158,7 +158,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr "Report bugs to %s <%s>.\n"
@@ -168,19 +168,19 @@ msgstr "Report bugs to %s <%s>.\n"
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr "Report bugs to <%s>.\n"
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Report %s bugs to <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Star Traders home page: <%s>.\n"
@@ -1662,31 +1662,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "No"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "out of memory"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: ‘%s’"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: ‘%lc’"
diff --git a/po/en_GB.po b/po/en_GB.po
index 6b38691..ccceb8d 100644
--- a/po/en_GB.po
+++ b/po/en_GB.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:48+1100\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: English (British) <(nothing)>\n"
@@ -55,22 +55,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: invalid value for --max-turn: ‘%s’\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: invalid operand ‘%s’\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: invalid game number ‘%s’\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: extra operand ‘%s’\n"
@@ -78,7 +78,7 @@ msgstr "%s: extra operand ‘%s’\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -105,17 +105,17 @@ msgstr ""
 "modify and/or distribute it under certain conditions.  This program has\n"
 "NO WARRANTY, to the extent permitted by law; see the License for details.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Try ‘%s --help’ for more information.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Usage: %s [OPTION ...] [GAME]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -124,7 +124,7 @@ msgstr ""
 "Play Star Traders, a simple game of interstellar trading.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -141,7 +141,7 @@ msgstr ""
 "      --max-turn=NUM   set the number of turns to NUM\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -158,7 +158,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr "Report bugs to %s <%s>.\n"
@@ -168,19 +168,19 @@ msgstr "Report bugs to %s <%s>.\n"
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr "Report bugs to <%s>.\n"
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Report %s bugs to <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Star Traders home page: <%s>.\n"
@@ -1662,31 +1662,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "No"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "out of memory"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: ‘%s’"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: ‘%lc’"
diff --git a/po/en_US.po b/po/en_US.po
index bc481b8..cf8f746 100644
--- a/po/en_US.po
+++ b/po/en_US.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:48+1100\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: English (US) <(nothing)>\n"
@@ -55,22 +55,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: invalid value for --max-turn: ‘%s’\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: invalid operand ‘%s’\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: invalid game number ‘%s’\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: extra operand ‘%s’\n"
@@ -78,7 +78,7 @@ msgstr "%s: extra operand ‘%s’\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -105,17 +105,17 @@ msgstr ""
 "modify and/or distribute it under certain conditions.  This program has\n"
 "NO WARRANTY, to the extent permitted by law; see the License for details.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Try ‘%s --help’ for more information.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Usage: %s [OPTION ...] [GAME]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -124,7 +124,7 @@ msgstr ""
 "Play Star Traders, a simple game of interstellar trading.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -141,7 +141,7 @@ msgstr ""
 "      --max-turn=NUM   set the number of turns to NUM\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -158,7 +158,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr "Report bugs to %s <%s>.\n"
@@ -168,19 +168,19 @@ msgstr "Report bugs to %s <%s>.\n"
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr "Report bugs to <%s>.\n"
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Report %s bugs to <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Star Traders home page: <%s>.\n"
@@ -1662,31 +1662,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "No"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "out of memory"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: ‘%s’"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: ‘%lc’"
diff --git a/po/eo.po b/po/eo.po
index 6c6cb3e..5ad1c6c 100644
--- a/po/eo.po
+++ b/po/eo.po
@@ -15,7 +15,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:49+1100\n"
 "Last-Translator: Felipe Castro <fefcas@gmail.com>\n"
 "Language-Team: Esperanto <translation-team-eo@lists.sourceforge.net>\n"
@@ -57,22 +57,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: malvalida valoro por --max-turn: '%s'\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: malvalida argumento '%s'\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: malvalida seanc-numero '%s'\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: troa argumento: '%s'\n"
@@ -80,7 +80,7 @@ msgstr "%s: troa argumento: '%s'\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -108,17 +108,17 @@ msgstr ""
 "NENIU GARANTIO, laŭ plejamplekse permesite de la leĝo; konsultu la Permesilon\n"
 "por pli da detaloj.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Provu '%s --help' por pli da informoj.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Uzmaniero: %s [MODIFILO ...] [SEANCO]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -127,7 +127,7 @@ msgstr ""
 "Ludi Star Traders, simpla ludo pri interstelara komerco.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -144,7 +144,7 @@ msgstr ""
 "      --max-turn=NUM   difini la nombron da cikloj kiel NUM\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -161,7 +161,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -173,7 +173,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -182,12 +182,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Raportu %s-misojn al <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Hejmpaĝo de Star Traders: <%s>.\n"
@@ -1669,31 +1669,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Ne"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "memoro plenpleniĝas"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: '%s'"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: '%lc'"
diff --git a/po/fi.po b/po/fi.po
index 21a1a86..560838a 100644
--- a/po/fi.po
+++ b/po/fi.po
@@ -15,7 +15,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:50+1100\n"
 "Last-Translator: Jorma Karvonen <karvonen.jorma@gmail.com>\n"
 "Language-Team: Finnish <translation-team-fi@lists.sourceforge.net>\n"
@@ -57,22 +57,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: virheellinen arvo valitsimelle --max-turn: ”%s”\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: virheellinen operandi ”%s”\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: virheellinen pelinumero ”%s”\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: ylimääräinen operandi ”%s”\n"
@@ -80,7 +80,7 @@ msgstr "%s: ylimääräinen operandi ”%s”\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -107,17 +107,17 @@ msgstr ""
 "ja/tai jakaa sitä edelleen tiettyjen ehtojen mukaisesti.  Tällä ohjelmalla\n"
 "EI OLE TAKUUTA, lain sallimassa laajuudessa; katso yksityiskohdat lisenssistä.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Lisätietoja saa komennolla ”%s --help”.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Käyttö: %s [VALITSIN ...] [PELI]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -126,7 +126,7 @@ msgstr ""
 "Pelaa Tähtikauppiaita, yksinkertaista tähtienvälisen kaupan peliä.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -143,7 +143,7 @@ msgstr ""
 "      --max-turn=NUM   aseta kierrrosten lukumääräksi NUM\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -160,7 +160,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -173,7 +173,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -183,7 +183,7 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr ""
@@ -191,7 +191,7 @@ msgstr ""
 "Ilmoita käännösvirheistä osoitteeseen\n"
 "<translation-team-fi@lists.sourceforge.net>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Tähtikauppiaiden kotisivu: <%s>.\n"
@@ -1673,31 +1673,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Ei"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "muisti loppui"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: ”%s”"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: ”%lc”"
diff --git a/po/fr.po b/po/fr.po
index f0b6de0..9c517b4 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:50+1100\n"
 "Last-Translator: Frédéric Marchal <fmarchal@perso.be>\n"
 "Language-Team: French <traduc@traduc.org>\n"
@@ -63,22 +63,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: valeur invalide pour --max-turn: « %s »\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: opérande invalide « %s »\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: numéro de jeu invalide « %s »\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: opérande surnuméraire « %s »\n"
@@ -86,7 +86,7 @@ msgstr "%s: opérande surnuméraire « %s »\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -115,17 +115,17 @@ msgstr ""
 "vient avec AUCUNE GARANTIE, dans les limites permises par la loi; voyez\n"
 "la licence pour plus de détails.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Essayez « %s --help » pour plus d'informations.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Utilisation: %s [OPTION ...] [JEU]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -134,7 +134,7 @@ msgstr ""
 "Jouer à Star Traders, un simple jeu de commerce interstellaire.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -151,7 +151,7 @@ msgstr ""
 "      --max-turn=NUM   effectuer NUM tours\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -168,7 +168,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -180,7 +180,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -189,12 +189,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Rapportez les bugs %s à <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Page d'accueil de Star Traders: <%s>.\n"
@@ -1688,31 +1688,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Non"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "pas assez de mémoire"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: « %s »"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: « %lc »"
diff --git a/po/hr.po b/po/hr.po
index a45a629..4831af1 100644
--- a/po/hr.po
+++ b/po/hr.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:52+1100\n"
 "Last-Translator: Tomislav Krznar <tomislav.krznar@gmail.com>\n"
 "Language-Team: Croatian <lokalizacija@linux.hr>\n"
@@ -56,22 +56,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: neispravna vrijednost za --max-turn: „%s”\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: neispravan operand „%s”\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: neispravan broj igre „%s”\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: operand viška „%s”\n"
@@ -79,7 +79,7 @@ msgstr "%s: operand viška „%s”\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -106,17 +106,17 @@ msgstr ""
 "pod određenim uvjetima.  Ovaj program NEMA JAMSTAVA, do krajnje mjere\n"
 "dozvoljene zakonom; pogledajte Licencu za pojedinosti.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Pokušajte „%s --help” za više informacija.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Uporaba: %s [OPCIJA ...] [IGRA]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -125,7 +125,7 @@ msgstr ""
 "Igrajte Star Traders, jednostavnu igru međuzvjezdanog trgovanja.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -142,7 +142,7 @@ msgstr ""
 "      --max-turn=BROJ  postavi broj poteza na BROJ\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -159,7 +159,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -171,7 +171,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -180,12 +180,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Prijavite greške %s na <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Star Traders početna stranica: <%s>.\n"
@@ -1673,31 +1673,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Ne"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "nema dovoljno memorije"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: „%s”"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: „%lc”"
diff --git a/po/hu.po b/po/hu.po
index a40a15b..5e9e713 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:54+1100\n"
 "Last-Translator: Balázs Úr <ur.balazs@fsf.hu>\n"
 "Language-Team: Hungarian <translation-team-hu@lists.sourceforge.net>\n"
@@ -56,22 +56,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: érvénytelen érték a --max-turn kapcsolóhoz: „%s”\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: érvénytelen operandus: „%s”\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: érvénytelen játékszám: „%s”\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: extra operandus: „%s”\n"
@@ -79,7 +79,7 @@ msgstr "%s: extra operandus: „%s”\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -108,17 +108,17 @@ msgstr ""
 "törvény által megengedett mértékben; a részletekért tekintse meg a\n"
 "licencet.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: További információkért próbálja a(z) „%s --help” parancsot.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Használat: %s [KAPCSOLÓ …] [JÁTÉK]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -127,7 +127,7 @@ msgstr ""
 "A Star Traders, egy egyszerű csillagközi kereskedelmi játék indítása.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -144,7 +144,7 @@ msgstr ""
 "      --max-turn=SZÁM  körök számának beállítása SZÁMRA\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -161,7 +161,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr "A hibák itt jelenthetők: %s <%s>.\n"
@@ -171,19 +171,19 @@ msgstr "A hibák itt jelenthetők: %s <%s>.\n"
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr "A hibák itt jelenthetők: <%s>.\n"
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "A %s hibái ezen a címen jelenthetők: <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "A Star Traders honlapja: <%s>.\n"
@@ -1667,31 +1667,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Nem"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "nincs elég memória"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: „%s”"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: „%lc”"
diff --git a/po/nb.po b/po/nb.po
index 7454f4d..49f0837 100644
--- a/po/nb.po
+++ b/po/nb.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:54+1100\n"
 "Last-Translator: Johnny A. Solbu <johnny@solbu.net>\n"
 "Language-Team: Norwegian Bokmaal <i18n-nb@lister.ping.uio.no>\n"
@@ -56,22 +56,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: ugyldig verdi for --max-turn: «%s»\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: ugyldig operand «%s»\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: ugyldig spillnummer «%s»\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: ekstra operand «%s»\n"
@@ -79,7 +79,7 @@ msgstr "%s: ekstra operand «%s»\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -107,17 +107,17 @@ msgstr ""
 "programmet har INGEN GARANTI i den grad loven tillater, se lisens for\n"
 "detaljer.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Prøv «%s --help» for mer informasjon.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Bruksmåte: %s [VALG ...] [SPILL]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -126,7 +126,7 @@ msgstr ""
 "Spill Star Traders, et enkelt spill med interstellar handel.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -143,7 +143,7 @@ msgstr ""
 "      --max-turn=NUM   sette antall runder til NUM\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -160,7 +160,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -172,7 +172,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -181,12 +181,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Rapporter %s feil til <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Star Traders hjemmeside: <%s>.\n"
@@ -1668,31 +1668,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Nei"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "ikke mer minne"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: «%s»"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: «%lc»"
diff --git a/po/pt_BR.po b/po/pt_BR.po
index 299bda8..954994f 100644
--- a/po/pt_BR.po
+++ b/po/pt_BR.po
@@ -15,7 +15,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:55+1100\n"
 "Last-Translator: Rafael Fontenelle <rafaelff@gnome.org>\n"
 "Language-Team: Brazilian Portuguese <ldpbr-translation@lists.sourceforge.net>\n"
@@ -57,22 +57,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: valor inválido para --max-turn: “%s”\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: operando inválido “%s”\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: número de jogo inválido “%s”\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: operando extra “%s”\n"
@@ -80,7 +80,7 @@ msgstr "%s: operando extra “%s”\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -107,17 +107,17 @@ msgstr ""
 "e/ou distribuí-lo sob certas condições. Este programa NÃO TEM GARANTIA,\n"
 "na extensão permitida por lei; consulte a licença para obter detalhes.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Tente “%s --help” para mais informações.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Uso: %s [OPÇÃO ...] [JOGO]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -126,7 +126,7 @@ msgstr ""
 "Jogue Comerciantes Estelares, um jogo simples de comércio interestelar.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -143,7 +143,7 @@ msgstr ""
 "      --max-turn=NÚM   define o número de turnos para NÚM\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -160,7 +160,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -172,7 +172,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -181,12 +181,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Relate erros de %s para <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Site do Comerciantes Estelares: <%s>.\n"
@@ -1669,31 +1669,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Não"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "memória esgotada"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: “%s”"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NULO"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: “%lc”"
diff --git a/po/ru.po b/po/ru.po
index fe858c1..bd168ef 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -17,7 +17,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:56+1100\n"
 "Last-Translator: John Zaitseff <J.Zaitseff@zap.org.au>\n"
 "Language-Team: Russian <gnu@d07.ru>\n"
@@ -58,22 +58,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: неверное значение аргумента для --max-turn: «%s»\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: неверный аргумент «%s»\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: неверный номер игры «%s»\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: лишний аргумент «%s»\n"
@@ -81,7 +81,7 @@ msgstr "%s: лишний аргумент «%s»\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -109,17 +109,17 @@ msgstr ""
 "ГАРАНТИЙ до степени, разрешённой законом.  Для получения более подробной\n"
 "информации, обратитесь к веб-странице <https://www.gnu.org/licenses/gpl.html>.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Попробуйте «%s --help» для получения более подробного описания.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Использование: %s [КЛЮЧ ...] [ИГРА]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -128,7 +128,7 @@ msgstr ""
 "Играть в «Звёздные торговцы», простую игру о межзвёздной торговле.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -145,7 +145,7 @@ msgstr ""
 "      --max-turn=НОМЕР  установить НОМЕР как максимальный ход игры\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -163,7 +163,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -175,7 +175,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -184,12 +184,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Об ошибках в %s сообщайте по адресу <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr ""
@@ -1678,31 +1678,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Нет"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "недостаточно памяти"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: «%s»"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: «%lc»"
diff --git a/po/sr.po b/po/sr.po
index b17ecd0..07ac9bb 100644
--- a/po/sr.po
+++ b/po/sr.po
@@ -15,7 +15,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:56+1100\n"
 "Last-Translator: Мирослав Николић <miroslavnikolic@rocketmail.com>\n"
 "Language-Team: Serbian <(nothing)>\n"
@@ -57,22 +57,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "Џон Зајцеф (John Zaitseff)"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: неисправна вредност за „--max-turn“: „%s“\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: неисправан операнд „%s“\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: неисправан број игре „%s“\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: додатни операнд „%s“\n"
@@ -80,7 +80,7 @@ msgstr "%s: додатни операнд „%s“\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -107,17 +107,17 @@ msgstr ""
 "и/или расподељујете под одређеним условима.  Овај програм је БЕЗ ГАРАНЦИЈЕ,\n"
 "у мери у којој то допушта закон; погледајте лиценцу за више детаља.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Пробајте „%s --help“ за више података.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Употреба: %s [ОПЦИЈА ...] [ИГРА]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -126,7 +126,7 @@ msgstr ""
 "Играјте Звездане трговце, једноставну игру међузвезданог трговања.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -143,7 +143,7 @@ msgstr ""
 "      --max-turn=БРОЈ  поставља број враћања на БРОЈ\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -160,7 +160,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr "Грешке пријавите програмеру %s <%s>.\n"
@@ -170,19 +170,19 @@ msgstr "Грешке пријавите програмеру %s <%s>.\n"
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr "Грешке пријавите на <%s>.\n"
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Грешке „%s“ пријавите на <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Матична страница: <%s>.\n"
@@ -1670,31 +1670,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Не"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "нема више меморије"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: „%s“"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: НИШТА"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: „%lc“"
diff --git a/po/sv.po b/po/sv.po
index 77fa4db..df174d4 100644
--- a/po/sv.po
+++ b/po/sv.po
@@ -14,7 +14,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: trader 7.16\n"
 "Report-Msgid-Bugs-To: J.Zaitseff@zap.org.au\n"
-"POT-Creation-Date: 2021-01-14 08:36+1100\n"
+"POT-Creation-Date: 2021-01-14 17:21+1100\n"
 "PO-Revision-Date: 2021-01-14 08:56+1100\n"
 "Last-Translator: Anders Jonsson <anders.jonsson@norsjovallen.se>\n"
 "Language-Team: Swedish <tp-sv@listor.tp-sv.se>\n"
@@ -56,22 +56,22 @@ msgstr ""
 msgid "John Zaitseff"
 msgstr "John Zaitseff"
 
-#: src/trader.c:235
+#: src/trader.c:238
 #, c-format
 msgid "%s: invalid value for --max-turn: '%s'\n"
 msgstr "%s: ogiltigt värde för --max-turn: ”%s”\n"
 
-#: src/trader.c:251
+#: src/trader.c:254
 #, c-format
 msgid "%s: invalid operand '%s'\n"
 msgstr "%s: ogiltig operand ”%s”\n"
 
-#: src/trader.c:260
+#: src/trader.c:263
 #, c-format
 msgid "%s: invalid game number '%s'\n"
 msgstr "%s: ogiltigt spelnummer ”%s”\n"
 
-#: src/trader.c:269
+#: src/trader.c:272
 #, c-format
 msgid "%s: extra operand '%s'\n"
 msgstr "%s: extra operand ”%s”\n"
@@ -79,7 +79,7 @@ msgstr "%s: extra operand ”%s”\n"
 #. TRANSLATORS: "John Zaitseff" [IPA d͡ʒɒn ˈzaɪ̯t͡səf] is the proper
 #. name of the author.  The IPA pronunciation in this comment is in
 #. UTF-8 encoding.
-#: src/trader.c:284
+#: src/trader.c:287
 #, c-format
 msgid ""
 "Star Traders (%s) %s\n"
@@ -106,17 +106,17 @@ msgstr ""
 "distribuera det under vissa villkor.  Detta program har INGEN GARANTI så långt\n"
 "lagen tillåter; se licensen för detaljer.\n"
 
-#: src/trader.c:308
+#: src/trader.c:311
 #, c-format
 msgid "%s: Try '%s --help' for more information.\n"
 msgstr "%s: Prova ”%s --help” för mer information.\n"
 
-#: src/trader.c:311
+#: src/trader.c:314
 #, c-format
 msgid "Usage: %s [OPTION ...] [GAME]\n"
 msgstr "Användning: %s [FLAGGA …] [SPEL]\n"
 
-#: src/trader.c:312
+#: src/trader.c:315
 #, c-format
 msgid ""
 "Play Star Traders, a simple game of interstellar trading.\n"
@@ -125,7 +125,7 @@ msgstr ""
 "Spela Star Traders, ett enkelt spel om interstellär handel.\n"
 "\n"
 
-#: src/trader.c:315
+#: src/trader.c:318
 #, c-format
 msgid ""
 "Options:\n"
@@ -142,7 +142,7 @@ msgstr ""
 "      --max-turn=ANT   ställ in antalet omgångar till ANT\n"
 "\n"
 
-#: src/trader.c:322
+#: src/trader.c:325
 #, c-format
 msgid ""
 "If GAME is specified as a number between 1 and 9, load and continue\n"
@@ -159,7 +159,7 @@ msgstr ""
 #. with the (translated) text "Report translation bugs to
 #. <ADDRESS>\n", with ADDRESS replaced with either an email
 #. address or web URL for reporting bugs in your translation.
-#: src/trader.c:334
+#: src/trader.c:337
 #, c-format
 msgid "Report bugs to %s <%s>.\n"
 msgstr ""
@@ -171,7 +171,7 @@ msgstr ""
 #. (translated) text "Report translation bugs to <ADDRESS>\n",
 #. with ADDRESS replaced with either an email address or web URL
 #. for reporting bugs in your translation.
-#: src/trader.c:341
+#: src/trader.c:344
 #, c-format
 msgid "Report bugs to <%s>.\n"
 msgstr ""
@@ -180,12 +180,12 @@ msgstr ""
 
 #. TRANSLATORS: The first %s is for packagers and may be
 #. something like "Debian".
-#: src/trader.c:346
+#: src/trader.c:349
 #, c-format
 msgid "Report %s bugs to <%s>.\n"
 msgstr "Rapportera %s-fel till <%s>.\n"
 
-#: src/trader.c:349
+#: src/trader.c:352
 #, c-format
 msgid "Star Traders home page: <%s>.\n"
 msgstr "Webbplats för Star Traders: <%s>.\n"
@@ -1673,31 +1673,31 @@ msgctxt "answer"
 msgid "No"
 msgstr "Nej"
 
-#: src/utils.c:481 src/utils.c:502
+#: src/utils.c:489 src/utils.c:510
 #, c-format
 msgid "%s: "
 msgstr "%s: "
 
-#: src/utils.c:507
+#: src/utils.c:515
 msgid ": "
 msgstr ": "
 
-#: src/utils.c:520
+#: src/utils.c:528
 #, c-format
 msgid "out of memory"
 msgstr "slut på minne"
 
-#: src/utils.c:1235
+#: src/utils.c:1265
 #, c-format
 msgid "xmbstowcs: '%s'"
 msgstr "xmbstowcs: ”%s”"
 
-#: src/utils.c:1275
+#: src/utils.c:1305
 #, c-format
 msgid "xwcrtomb: NUL"
 msgstr "xwcrtomb: NUL"
 
-#: src/utils.c:1280
+#: src/utils.c:1310
 #, c-format
 msgid "xwcrtomb: '%lc'"
 msgstr "xwcrtomb: ”%lc”"