core: change color format for options from `${xxx}` to `${color:xxx}`

Options affected:
- weechat.look.buffer_time_format
- weechat.look.prefix_action
- weechat.look.prefix_error
- weechat.look.prefix_join
- weechat.look.prefix_network
- weechat.look.prefix_quit

12 files changed, 347 insertions, 110 deletions

diff --git a/po/cs.po b/po/cs.po
index 8d81e124b..890165f43 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-07-31 18:41+0200\n"
 "Last-Translator: Jiri Golembiovsky <golemj@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -2530,10 +2530,14 @@ msgstr ""
 "all=všechny zprávy (výchozí), message=zprávy+zváraznění, highlight=pouze "
 "zvýraznění, none=nikdy nezobrazovat v hotlistu"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 "formát času zobrazeného na každém řádku v bufferu (viz. man strftime pro "
 "specifikaci data/času), barvy jsou povoleny ve formátu \"${barva}\", "
@@ -2836,20 +2840,34 @@ msgstr ""
 "maximální počet řádků pro vložení bez dotazování uživatele (0 = vypnout tuto "
 "vlastnost)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
 msgid "prefix alignment (none, left, right (default))"
diff --git a/po/de.po b/po/de.po
index e65ae8c42..93a3944db 100644
--- a/po/de.po
+++ b/po/de.po
@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-08-01 19:57+0200\n"
 "Last-Translator: Nils Görs <weechatter@arcor.de>\n"
 "Language-Team: German <weechatter@arcor.de>\n"
@@ -2833,10 +2833,14 @@ msgstr ""
 "Nachrichten (Standard), message=Nachrichten+Highlights, highlights=nur "
 "Highlights, none=Hotlist wird niemals angezeigt"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 "Format für die Zeitanzeige welche in jeder Zeile eines Buffers dargestellt "
 "wird (siehe man strftime für Platzhalter für das Datum und die Uhrzeit). "
@@ -3189,28 +3193,47 @@ msgstr ""
 "maximale Anzahl an Zeilen die eingefügt werden dürfen, ohne dass der "
 "Anwender gefragt wird (-1 = schaltet diese Funktion ab)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "Präfix, dass bei einer Fehler-Nachricht angezeigt wird. Durch das Format "
 "\"${Farbe}\" ist es möglich eine Farbauswahl zu treffen"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "Präfix, dass bei einer Netzwerk-Nachricht angezeigt wird. Durch das Format "
 "\"${Farbe}\" ist es möglich eine Farbauswahl zu treffen"
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "Präfix, dass bei einer Action-Nachricht angezeigt wird. Durch das Format "
 "\"${Farbe}\" ist es möglich eine Farbauswahl zu treffen"
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "Präfix, dass bei einer Join-Nachricht angezeigt wird. Durch das Format "
 "\"${Farbe}\" ist es möglich eine Farbauswahl zu treffen"
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "Präfix, dass bei einer Quit-Nachricht angezeigt wird. Durch das Format "
 "\"${Farbe}\" ist es möglich eine Farbauswahl zu treffen"
diff --git a/po/es.po b/po/es.po
index 23ff42e39..d6dcbe8b9 100644
--- a/po/es.po
+++ b/po/es.po
@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-07-31 18:41+0200\n"
 "Last-Translator: Elián Hanisch <lambdae2@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -2671,10 +2671,14 @@ msgstr ""
 "+resaltes, highlight=solamente resaltes,none=nunca mostrar en la lista de "
 "actividad"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 "formato de hora en el registro (ver el manual de strftime para los "
 "especificadores de fecha/hora), se pueden usar colores con el formato "
@@ -3006,20 +3010,34 @@ msgstr ""
 "número máximo de líneas que el usuario puede pegar sin pedir confirmación "
 "(-1 = deshabilitar esta función)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
 # none, left, right are option names, keep in english
diff --git a/po/fr.po b/po/fr.po
index 2d18e31cf..c7a28c3db 100644
--- a/po/fr.po
+++ b/po/fr.po
@@ -21,8 +21,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:56+0200\n"
-"PO-Revision-Date: 2013-08-04 09:10+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
+"PO-Revision-Date: 2013-08-04 11:54+0200\n"
 "Last-Translator: Sebastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
 "Language: fr\n"
@@ -2802,15 +2802,19 @@ msgstr ""
 "message=messages+highlights, highlight=highlights seulement, none=ne jamais "
 "afficher dans la hotlist"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 "format de date/heure pour chaque ligne affichée dans les tampons (voir man "
-"strftime pour le format de date/heure), les couleurs sont autorisées avec le "
-"format \"${couleur}\", par exemple l'heure française: \"${lightblue}%H"
-"${white}%M${lightred}%S\""
+"strftime pour le format de date/heure) (note: le contenu est évalué, donc "
+"vous pouvez utiliser des couleurs avec le format \"${color:xxx}\", voir /"
+"help eval); par exemple l'heure avec des niveaux de gris (requiert le "
+"support de 256 couleurs): \"${color:251}%H${color:243}%M${color:238}%S\""
 
 msgid ""
 "force \"bold\" attribute for light colors and \"darkgray\" in basic colors "
@@ -3140,31 +3144,50 @@ msgstr ""
 "nombre maximum de lignes pour la détection de collage sans demander à "
 "l'utilisateur (-1 = désactiver cette fonctionnalité)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
-"préfixe pour les messages d'erreur, les couleurs sont autorisées avec le "
-"format \"${couleur}\""
+"préfixe pour les messages d'erreur (note: le contenu est évalué, donc vous "
+"pouvez utiliser des couleurs avec le format \"${color:xxx}\", voir /help "
+"eval)"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
-"préfixe pour les messages réseau, les couleurs sont autorisées avec le "
-"format \"${couleur}\""
+"préfixe pour les messages réseau (note: le contenu est évalué, donc vous "
+"pouvez utiliser des couleurs avec le format \"${color:xxx}\", voir /help "
+"eval)"
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
-"préfixe pour les messages d'action, les couleurs sont autorisées avec le "
-"format \"${couleur}\""
+"préfixe pour les messages d'action (note: le contenu est évalué, donc vous "
+"pouvez utiliser des couleurs avec le format \"${color:xxx}\", voir /help "
+"eval)"
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
-"préfixe pour les messages d'arrivée, les couleurs sont autorisées avec le "
-"format \"${couleur}\""
+"préfixe pour les messages d'arrivée (note: le contenu est évalué, donc vous "
+"pouvez utiliser des couleurs avec le format \"${color:xxx}\", voir /help "
+"eval)"
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
-"préfixe pour les messages de départ, les couleurs sont autorisées avec le "
-"format \"${couleur}\""
+"préfixe pour les messages de départ (note: le contenu est évalué, donc vous "
+"pouvez utiliser des couleurs avec le format \"${color:xxx}\", voir /help "
+"eval)"
 
 msgid "prefix alignment (none, left, right (default))"
 msgstr "alignement de préfixe (none, left, right (par défaut))"
diff --git a/po/hu.po b/po/hu.po
index b00655a3a..342fe36aa 100644
--- a/po/hu.po
+++ b/po/hu.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-07-31 18:41+0200\n"
 "Last-Translator: Andras Voroskoi <voroskoi@frugalware.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -2204,11 +2204,14 @@ msgid ""
 "none=never display in hotlist"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 #, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr "új nap kezdetével megjelenő időbélyeg"
 
 msgid ""
@@ -2456,20 +2459,34 @@ msgstr ""
 "maximálisan beilleszthető sorok száma a felhasználó megkérdezése nélkül (0 = "
 "szolgáltatás kikapcsolása)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
 #, fuzzy
diff --git a/po/it.po b/po/it.po
index 1e34cf5ab..de8ffd2e8 100644
--- a/po/it.po
+++ b/po/it.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-07-31 18:41+0200\n"
 "Last-Translator: Esteban I. Ruiz Moreno <exio4.com@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -2722,10 +2722,14 @@ msgstr ""
 "message=messaggi+notifiche, highlight=solo notifiche, none=non viene mai "
 "visualizzato nella hotlist"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 "formato dell'ora per ogni riga visualizzata nei buffer (consultare man "
 "strftime per gli specificatori data/ora), i colori sono consentiti nel "
@@ -3055,27 +3059,46 @@ msgstr ""
 "numero massimo di righe da incollare senza conferma dell'utente (-1 = "
 "disabilita questa caratteristica)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefisso per i messaggi di errore, colori consentiti con il formato "
 "\"{color}\""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefisso per i messaggi di rete, colori consentiti con il formato \"{color}\""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefisso per i messaggi di azione, colori consentiti con il formato "
 "\"{color}\""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefisso per i messaggi di entrata, colori consentiti con il formato "
 "\"{color}\""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefisso per i messaggi di uscita, colori consentiti con il formato "
 "\"{color}\""
diff --git a/po/ja.po b/po/ja.po
index 425187591..68389a2bf 100644
--- a/po/ja.po
+++ b/po/ja.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-08-02 08:50+0200\n"
 "Last-Translator: AYANOKOUZI, Ryuunosuke <i38w7i3@yahoo.co.jp>\n"
 "Language-Team: Japanese <https://github.com/l/WeeChat>\n"
@@ -2693,10 +2693,14 @@ msgstr ""
 "のメッセージ (デフォルト)、message=メッセージとハイライト、highlight=ハイライ"
 "トのみ、none=ホットリストに表示されない"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 "バッファに表示される行に付く時間フォーマット (日付/時間の指定子は strftime "
 "の man を参照)、色は \"${color}\" のフォーマットで指定、例えばフランス時間で"
@@ -3008,28 +3012,47 @@ msgid ""
 "max number of lines for paste without asking user (-1 = disable this feature)"
 msgstr "ユーザへの確認無しにペーストする行数の最大値 (-1 = この機能を無効化)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "エラーメッセージのプレフィックス、フォーマット \"${color}\" を使えば色を使う"
 "ことも可能"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "ネットワークメッセージのプレフィックス、フォーマット \"${color}\" を使えば色"
 "を使うことも可能"
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "アクションメッセージのプレフィックス、フォーマット \"${color}\" を使えば色を"
 "使うことも可能"
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "参加メッセージのプレフィックス、フォーマット \"${color}\" を使えば色を使うこ"
 "とも可能"
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "終了メッセージのプレフィックス、フォーマット \"${color}\" を使えば色を使うこ"
 "とも可能"
diff --git a/po/pl.po b/po/pl.po
index 0c9322edb..7ab23d1d5 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-08-02 08:50+0200\n"
 "Last-Translator: Krzysztof Korościk <soltys@szluug.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -2746,10 +2746,14 @@ msgstr ""
 "+podświetlenia, highlight=tylko podświetlenia, none=nigdy nie wyświetlany na "
 "hotliście"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 "format czasu używany dla każdej linii w buforze (zobacz man strftime dla "
 "specyfikatorów daty/czasu), kolory są dozwolone poprzez \"${color}\", na "
@@ -3074,28 +3078,47 @@ msgstr ""
 "maksymalna ilość linii do wklejenia bez pytania użytkownika (-1 = wyłącza tę "
 "opcję)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefiks dla wiadomości o błędach, kolory są dozwolone z użyciem formatu "
 "\"${kolor}\""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefiks dla wiadomości sieciowych, kolory są dozwolone z użyciem formatu "
 "\"${kolor}\""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefiks dla wiadomości o akcjach, kolory są dozwolone z użyciem formatu "
 "\"${kolor}\""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefiks dla wiadomości o wejściach na kanał, kolory są dozwolone z użyciem "
 "formatu \"${kolor}\""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 "prefiks dla wiadomości o wyjściach, kolory są dozwolone z użyciem formatu "
 "\"${kolor}\""
diff --git a/po/pt_BR.po b/po/pt_BR.po
index 36adba7c1..50c49b759 100644
--- a/po/pt_BR.po
+++ b/po/pt_BR.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-07-31 18:42+0200\n"
 "Last-Translator: Sergio Durigan Junior <sergiosdj@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -2610,10 +2610,14 @@ msgstr ""
 "message=mensagens+destaques, highlights=apenas destaques, none=nunca mostrar "
 "na lista atual"
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+#, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 "formato de tempo para cada linha mostrada nos buffers (veja man strftime "
 "para especificadores de data/tempo),, cores são permitidas com o formato "
@@ -2915,20 +2919,34 @@ msgstr ""
 "número máximo de linhas para serem coladas sem perguntar ao usuário (0 = "
 "desabilita essa característica)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
 msgid "prefix alignment (none, left, right (default))"
diff --git a/po/ru.po b/po/ru.po
index c6a37c774..59364ffef 100644
--- a/po/ru.po
+++ b/po/ru.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-07-31 18:42+0200\n"
 "Last-Translator: Aleksey V Zapparov AKA ixti <ixti@member.fsf.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -2226,11 +2226,14 @@ msgid ""
 "none=never display in hotlist"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 #, fuzzy
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr "отображение маркера даты при смене дня"
 
 msgid ""
@@ -2486,20 +2489,34 @@ msgstr ""
 "максимальное количество строк, вставляемых без подтверждения (0 = отключить "
 "подтверждение)"
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
 #, fuzzy
diff --git a/po/tr.po b/po/tr.po
index a9f6e9f43..d47c80a35 100644
--- a/po/tr.po
+++ b/po/tr.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.2-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-07-31 18:42+0200\n"
 "Last-Translator: Hasan Kiran <sunder67@hotmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1974,10 +1974,13 @@ msgid ""
 "none=never display in hotlist"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 
 msgid ""
@@ -2203,20 +2206,34 @@ msgid ""
 "max number of lines for paste without asking user (-1 = disable this feature)"
 msgstr ""
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
 msgid "prefix alignment (none, left, right (default))"
diff --git a/po/weechat.pot b/po/weechat.pot
index 00e1ccb9c..5b400c4ea 100644
--- a/po/weechat.pot
+++ b/po/weechat.pot
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat 0.4.1-dev\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2013-08-04 09:08+0200\n"
+"POT-Creation-Date: 2013-08-04 11:51+0200\n"
 "PO-Revision-Date: 2013-02-14 18:20+0100\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1978,10 +1978,13 @@ msgid ""
 "none=never display in hotlist"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
 "time format for each line displayed in buffers (see man strftime for date/"
-"time specifiers), colors are allowed with format \"${color}\", for example "
-"french time: \"${lightblue}%H${white}%M${lightred}%S\""
+"time specifiers) (note: content is evaluated, so you can use colors with "
+"format \"${color:xxx}\", see /help eval); for example time using grayscale "
+"(requires support of 256 colors): \"${color:251}%H${color:243}%M"
+"${color:238}%S\""
 msgstr ""
 
 msgid ""
@@ -2207,20 +2210,34 @@ msgid ""
 "max number of lines for paste without asking user (-1 = disable this feature)"
 msgstr ""
 
-msgid "prefix for error messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for error messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
 msgid ""
-"prefix for network messages, colors are allowed with format \"${color}\""
+"prefix for network messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for action messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for action messages (note: content is evaluated, so you can use "
+"colors with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for join messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for join messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
-msgid "prefix for quit messages, colors are allowed with format \"${color}\""
+#. TRANSLATORS: string "${color:xxx}" must NOT be translated
+msgid ""
+"prefix for quit messages (note: content is evaluated, so you can use colors "
+"with format \"${color:xxx}\", see /help eval)"
 msgstr ""
 
 msgid "prefix alignment (none, left, right (default))"