core: add reverse of string in evaluation of expressions with "rev:" (closes #1200)

13 files changed, 150 insertions, 129 deletions

diff --git a/po/cs.po b/po/cs.po
index 49a3d6da6..3e39defae 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-03-31 15:36+0200\n"
 "Last-Translator: Ondřej Súkup <mimi.vx@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1516,16 +1516,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/de.po b/po/de.po
index 01014d74e..11b0cf6e6 100644
--- a/po/de.po
+++ b/po/de.po
@@ -24,7 +24,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-05-21 09:58+0200\n"
 "Last-Translator: Nils Görs <weechatter@arcor.de>\n"
 "Language-Team: German <kde-i18n-de@kde.org>\n"
@@ -1584,6 +1584,7 @@ msgstr "evaluierter Ausdruck"
 msgid "[-n|-s] <expression> || [-n] -c <expression1> <operator> <expression2>"
 msgstr "[-n|-s] <expression> || [-n] -c <expression1> <operator> <expression2>"
 
+#, fuzzy
 msgid ""
 "        -n: display result without sending it to buffer (debug mode)\n"
 "        -s: split expression before evaluating it (many commands can be "
@@ -1629,16 +1630,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/es.po b/po/es.po
index 01308b651..493e16580 100644
--- a/po/es.po
+++ b/po/es.po
@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-03-31 15:36+0200\n"
 "Last-Translator: Elián Hanisch <lambdae2@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1547,16 +1547,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/fr.po b/po/fr.po
index 6e087d908..d2bf89671 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -21,8 +21,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
-"PO-Revision-Date: 2018-05-21 08:49+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
+"PO-Revision-Date: 2018-06-02 15:42+0200\n"
 "Last-Translator: Sébastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
 "Language: fr\n"
@@ -1600,16 +1600,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
@@ -1704,17 +1705,18 @@ msgstr ""
 "chaîne\" ou \"cut:+max,suffixe,chaîne\")\n"
 "     ou un maximum de caractères affichés à l'écran (format : \"cutscr:max,"
 "suffixe,chaîne\" ou \"cutscr:+max,suffixe,chaîne\")\n"
-"  5. une couleur (format : \"color:xxx\", voir la \"Référence API extension"
+"  5. une chaîne inversée (format : \"rev:xxx\")\n"
+"  6. une couleur (format : \"color:xxx\", voir la \"Référence API extension"
 "\", fonction \"color\")\n"
-"  6. une info (format : \"info:nom,paramètres\", les paramètres sont "
+"  7. une info (format : \"info:nom,paramètres\", les paramètres sont "
 "optionnels)\n"
-"  7. la date/heure courante (format : \"date\" ou \"date:format\")\n"
-"  8. une variable d'environnement (format : \"env:XXX\")\n"
-"  9. un opérateur ternaire (format : \"if:condition?valeur_si_vrai:"
+"  8. la date/heure courante (format : \"date\" ou \"date:format\")\n"
+"  9. une variable d'environnement (format : \"env:XXX\")\n"
+"  10. un opérateur ternaire (format : \"if:condition?valeur_si_vrai:"
 "valeur_si_faux\")\n"
-"  10. une option (format : \"fichier.section.option\")\n"
-"  11. une variable locale du tampon\n"
-"  12. un hdata/variable (la valeur est automatiquement convertie en chaîne), "
+"  11. une option (format : \"fichier.section.option\")\n"
+"  12. une variable locale du tampon\n"
+"  13. un hdata/variable (la valeur est automatiquement convertie en chaîne), "
 "par défaut \"window\" et \"buffer\" pointent vers la fenêtre et le tampon "
 "courants.\n"
 "Le format du hdata peut être le suivant :\n"
@@ -8000,14 +8002,19 @@ msgstr ""
 "   ls : lister les capacités supportées par le serveur\n"
 " list : lister les capacités actuellement activées\n"
 "  req : demander une capacité\n"
-"  ack : accuser réception de capacités qui nécessitent un accusé de réception du client\n"
+"  ack : accuser réception de capacités qui nécessitent un accusé de "
+"réception du client\n"
 "  end : terminer la négociation de capacité\n"
 "\n"
 "Sans paramètre, \"ls\" et \"list\" sont envoyés.\n"
 "\n"
-"Les capacités supportées par WeeChat sont : account-notify, away-notify, cap-notify, chghost, extended-join, invite-notify, multi-prefix, server-time, userhost-in-names.\n"
+"Les capacités supportées par WeeChat sont : account-notify, away-notify, cap-"
+"notify, chghost, extended-join, invite-notify, multi-prefix, server-time, "
+"userhost-in-names.\n"
 "\n"
-"Les capacités à activer automatiquement sur les serveurs peuvent être définies dans l'option irc.server_default.capabilities (ou par serveur dans l'option irc.server.xxx.capabilities).\n"
+"Les capacités à activer automatiquement sur les serveurs peuvent être "
+"définies dans l'option irc.server_default.capabilities (ou par serveur dans "
+"l'option irc.server.xxx.capabilities).\n"
 "\n"
 "Exemples :\n"
 "   /cap\n"
diff --git a/po/hu.po b/po/hu.po
index 7ba102a69..7ca08c168 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-03-31 15:36+0200\n"
 "Last-Translator: Andras Voroskoi <voroskoi@frugalware.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1437,16 +1437,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/it.po b/po/it.po
index 290ab8431..bc35e0743 100644
--- a/po/it.po
+++ b/po/it.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-03-31 15:36+0200\n"
 "Last-Translator: Esteban I. Ruiz Moreno <exio4.com@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1530,16 +1530,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/ja.po b/po/ja.po
index 38f3ddaf7..8a5daf59a 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-05-26 09:00+0900\n"
 "Last-Translator: AYANOKOUZI, Ryuunosuke <i38w7i3@yahoo.co.jp>\n"
 "Language-Team: Japanese <https://github.com/l/weechat/tree/master/"
@@ -1521,6 +1521,7 @@ msgstr "式を評価"
 msgid "[-n|-s] <expression> || [-n] -c <expression1> <operator> <expression2>"
 msgstr "[-n|-s] <expression> || [-n] -c <expression1> <operator> <expression2>"
 
+#, fuzzy
 msgid ""
 "        -n: display result without sending it to buffer (debug mode)\n"
 "        -s: split expression before evaluating it (many commands can be "
@@ -1566,16 +1567,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/pl.po b/po/pl.po
index c79ac3f76..7c9d8c2f8 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-03-31 15:36+0200\n"
 "Last-Translator: Krzysztof Korościk <soltys@soltys.info>\n"
 "Language-Team: Polish <>\n"
@@ -1602,16 +1602,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/pt.po b/po/pt.po
index 3371d4e47..a23c17ae4 100644
--- a/po/pt.po
+++ b/po/pt.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-03-31 15:36+0200\n"
 "Last-Translator: Vasco Almeida <vascomalmeida@sapo.pt>\n"
 "Language-Team: Portuguese <>\n"
@@ -1586,16 +1586,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/pt_BR.po b/po/pt_BR.po
index 1e5a59c3c..b14264313 100644
--- a/po/pt_BR.po
+++ b/po/pt_BR.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-03-31 15:37+0200\n"
 "Last-Translator: Eduardo Elias <camponez@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1592,16 +1592,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/ru.po b/po/ru.po
index 956bac68d..77b5c681a 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2018-03-31 15:37+0200\n"
 "Last-Translator: Aleksey V Zapparov AKA ixti <ixti@member.fsf.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1459,16 +1459,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/tr.po b/po/tr.po
index 17026ad72..d42696af9 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2017-06-26 23:33+0200\n"
 "Last-Translator: Hasan Kiran <sunder67@hotmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1292,16 +1292,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"
diff --git a/po/weechat.pot b/po/weechat.pot
index a240bd011..f4f5c395e 100644
--- a/po/weechat.pot
+++ b/po/weechat.pot
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2018-05-21 08:47+0200\n"
+"POT-Creation-Date: 2018-06-02 15:41+0200\n"
 "PO-Revision-Date: 2014-08-16 10:27+0200\n"
 "Last-Translator: Sébastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1294,16 +1294,17 @@ msgid ""
 "+max,suffix,string\")\n"
 "     or max chars displayed on screen (format: \"cutscr:max,suffix,string\" "
 "or \"cutscr:+max,suffix,string\")\n"
-"  5. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
+"  5. a reversed string (format: \"rev:xxx\")\n"
+"  6. a color (format: \"color:xxx\", see \"Plugin API reference\", function "
 "\"color\")\n"
-"  6. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  7. current date/time (format: \"date\" or \"date:format\")\n"
-"  8. an environment variable (format: \"env:XXX\")\n"
-"  9. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
+"  7. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  8. current date/time (format: \"date\" or \"date:format\")\n"
+"  9. an environment variable (format: \"env:XXX\")\n"
+"  10. a ternary operator (format: \"if:condition?value_if_true:value_if_false"
 "\")\n"
-"  10. an option (format: \"file.section.option\")\n"
-"  11. a local variable in buffer\n"
-"  12. a hdata name/variable (the value is automatically converted to "
+"  11. an option (format: \"file.section.option\")\n"
+"  12. a local variable in buffer\n"
+"  13. a hdata name/variable (the value is automatically converted to "
 "string), by default \"window\" and \"buffer\" point to current window/"
 "buffer.\n"
 "Format for hdata can be one of following:\n"