api: add support of escaped strings in function string_eval_expression and command /eval

12 files changed, 147 insertions, 91 deletions

diff --git a/po/cs.po b/po/cs.po
index 8bcd3fbd5..9a0ef8c45 100644
--- a/po/cs.po
+++ b/po/cs.po
@@ -20,7 +20,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:24+0100\n"
 "Last-Translator: Jiri Golembiovsky <golemj@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1364,11 +1364,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1381,13 +1382,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/de.po b/po/de.po
index 2c9e34671..4c9f3ff39 100644
--- a/po/de.po
+++ b/po/de.po
@@ -22,7 +22,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:24+0100\n"
 "Last-Translator: Nils Görs <weechatter@arcor.de>\n"
 "Language-Team: German <weechatter@arcor.de>\n"
@@ -1387,6 +1387,7 @@ msgstr "wertet eine Expression aus und zeigt das Resultat im Buffer an"
 msgid "[-n] <expression> || [-n] -c <expression1> <operator> <expression2>"
 msgstr "[-n] <expression> || [-n] -c <expression1> <operator> <expression2>"
 
+#, fuzzy
 msgid ""
 "        -n: display result without sending it to buffer (debug mode)\n"
 "        -c: evaluate as condition: use operators and parentheses, return a "
@@ -1418,11 +1419,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1435,13 +1437,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/es.po b/po/es.po
index 4a6f2370f..d204f9fbf 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: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:25+0100\n"
 "Last-Translator: Elián Hanisch <lambdae2@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1403,11 +1403,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1420,13 +1421,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/fr.po b/po/fr.po
index 29e4f652a..cc22b52ff 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: 2014-02-23 20:28+0100\n"
-"PO-Revision-Date: 2014-02-23 20:29+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
+"PO-Revision-Date: 2014-02-28 14:23+0100\n"
 "Last-Translator: Sébastien Helleu <flashcode@flashtux.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
 "Language: fr\n"
@@ -1397,11 +1397,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1414,13 +1415,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
@@ -1461,12 +1465,14 @@ msgstr ""
 "\n"
 "Des variables sont remplacées dans l'expression, en utilisant le format "
 "${variable}, la variable pouvant être, par ordre de priorité :\n"
-"  1. une couleur (format: \"color:xxx\")\n"
-"  2. une info (format: \"info:nom,paramètres\", les paramètres sont "
+"  1. une chaîne avec les caractères échappés (format: \"esc:xxx\" ou \"\\xxx"
+"\")\n"
+"  2. une couleur (format: \"color:xxx\")\n"
+"  3. une info (format: \"info:nom,paramètres\", les paramètres sont "
 "optionnels)\n"
-"  3. une option (format: \"fichier.section.option\")\n"
-"  4. une variable locale du tampon\n"
-"  5. un hdata/variable (la valeur est automatiquement convertie en chaîne), "
+"  4. une option (format: \"fichier.section.option\")\n"
+"  5. une variable locale du tampon\n"
+"  6. 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"
@@ -1482,13 +1488,16 @@ msgstr ""
 "Pour le nom du hdata et des variables, voir la \"Référence API extension\", "
 "fonction \"weechat_hdata_get\".\n"
 "\n"
-"Exemples:\n"
+"Exemples (chaînes simples):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Exemples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/hu.po b/po/hu.po
index e4d8dc65b..79ce5a34a 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: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:25+0100\n"
 "Last-Translator: Andras Voroskoi <voroskoi@frugalware.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1297,11 +1297,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1314,13 +1315,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/it.po b/po/it.po
index 3d7b70f65..c76c01f71 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: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:25+0100\n"
 "Last-Translator: Esteban I. Ruiz Moreno <exio4.com@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1380,11 +1380,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1397,13 +1398,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/ja.po b/po/ja.po
index f46a2acc5..b7f5491a0 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: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:25+0100\n"
 "Last-Translator: AYANOKOUZI, Ryuunosuke <i38w7i3@yahoo.co.jp>\n"
 "Language-Team: Japanese <https://github.com/l/WeeChat>\n"
@@ -1333,6 +1333,7 @@ msgstr "式を評価して結果をバッファに送信"
 msgid "[-n] <expression> || [-n] -c <expression1> <operator> <expression2>"
 msgstr "[-n] <expression> || [-n] -c <expression1> <operator> <expression2>"
 
+#, fuzzy
 msgid ""
 "        -n: display result without sending it to buffer (debug mode)\n"
 "        -c: evaluate as condition: use operators and parentheses, return a "
@@ -1364,11 +1365,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1381,13 +1383,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/pl.po b/po/pl.po
index c38cf698c..9d915bbf4 100644
--- a/po/pl.po
+++ b/po/pl.po
@@ -21,7 +21,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: WeeChat\n"
 "Report-Msgid-Bugs-To: flashcode@flashtux.org\n"
-"POT-Creation-Date: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:25+0100\n"
 "Last-Translator: Krzysztof Korościk <soltys@szluug.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1366,6 +1366,7 @@ msgstr "przetwarza wyrażenie i wysyła wynik do buforu"
 msgid "[-n] <expression> || [-n] -c <expression1> <operator> <expression2>"
 msgstr "[-n] <wyrażenie> || [-n] -c <wyrażenie1> <operator> <wyrażenie2>"
 
+#, fuzzy
 msgid ""
 "        -n: display result without sending it to buffer (debug mode)\n"
 "        -c: evaluate as condition: use operators and parentheses, return a "
@@ -1397,11 +1398,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1414,13 +1416,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/pt_BR.po b/po/pt_BR.po
index 7cef52516..418c227ae 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: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:25+0100\n"
 "Last-Translator: Sergio Durigan Junior <sergiosdj@gmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1418,11 +1418,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1435,13 +1436,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/ru.po b/po/ru.po
index d8a74c378..4a1c7c933 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: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-20 12:25+0100\n"
 "Last-Translator: Aleksey V Zapparov AKA ixti <ixti@member.fsf.org>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1319,11 +1319,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1336,13 +1337,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/tr.po b/po/tr.po
index b620481dd..d2acdd4cc 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: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\n"
 "PO-Revision-Date: 2014-02-16 11:21+0100\n"
 "Last-Translator: Hasan Kiran <sunder67@hotmail.com>\n"
 "Language-Team: weechat-dev <weechat-dev@nongnu.org>\n"
@@ -1153,11 +1153,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1170,13 +1171,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"
diff --git a/po/weechat.pot b/po/weechat.pot
index 03f79ec9b..ccdfafac8 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: 2014-02-23 20:28+0100\n"
+"POT-Creation-Date: 2014-02-28 14:23+0100\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"
@@ -1159,11 +1159,12 @@ msgid ""
 "\n"
 "Some variables are replaced in expression, using the format ${variable}, "
 "variable can be, by order of priority :\n"
-"  1. a color (format: \"color:xxx\")\n"
-"  2. an info (format: \"info:name,arguments\", arguments are optional)\n"
-"  3. an option (format: \"file.section.option\")\n"
-"  4. a local variable in buffer\n"
-"  5. a hdata name/variable (the value is automatically converted to string), "
+"  1. a string with escaped chars (format: \"esc:xxx\" or \"\\xxx\")\n"
+"  2. a color (format: \"color:xxx\")\n"
+"  3. an info (format: \"info:name,arguments\", arguments are optional)\n"
+"  4. an option (format: \"file.section.option\")\n"
+"  5. a local variable in buffer\n"
+"  6. 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"
 "  hdata.var1.var2...: start with a hdata (pointer must be known), and ask "
@@ -1176,13 +1177,16 @@ msgid ""
 "For name of hdata and variables, please look at \"Plugin API reference\", "
 "function \"weechat_hdata_get\".\n"
 "\n"
-"Examples:\n"
+"Examples (simple strings):\n"
 "  /eval -n ${info:version}                 ==> 0.4.3\n"
 "  /eval -n ${weechat.look.scroll_amount}   ==> 3\n"
 "  /eval -n ${window}                       ==> 0x2549aa0\n"
 "  /eval -n ${window.buffer}                ==> 0x2549320\n"
 "  /eval -n ${window.buffer.full_name}      ==> core.weechat\n"
 "  /eval -n ${window.buffer.number}         ==> 1\n"
+"  /eval -n ${\\t}                           ==> <tab>\n"
+"\n"
+"Examples (conditions):\n"
 "  /eval -n -c ${window.buffer.number} > 2  ==> 0\n"
 "  /eval -n -c ${window.win_width} > 100    ==> 1\n"
 "  /eval -n -c (8 > 12) || (5 > 2)          ==> 1\n"