core: add power operator "**" in calc expressions (issue #997)

2 files changed, 12 insertions, 9 deletions

diff --git a/doc/ja/autogen/user/weechat_commands.adoc b/doc/ja/autogen/user/weechat_commands.adoc
index 4ff1a42b4..fc4eee00d 100644
--- a/doc/ja/autogen/user/weechat_commands.adoc
+++ b/doc/ja/autogen/user/weechat_commands.adoc
@@ -309,7 +309,7 @@ Some variables are replaced in expression, using the format ${variable}, variabl
   10. current date/time (format: "date" or "date:format")
   11. an environment variable (format: "env:XXX")
   12. a ternary operator (format: "if:condition?value_if_true:value_if_false")
-  13. result of an expression with parentheses and operators + - * / // % (format: "calc:xxx")
+  13. result of an expression with parentheses and operators + - * / // % ** (format: "calc:xxx")
   14. an option (format: "file.section.option")
   15. a local variable in buffer
   16. a hdata name/variable (the value is automatically converted to string), by default "window" and "buffer" point to current window/buffer.
diff --git a/doc/ja/weechat_plugin_api.ja.adoc b/doc/ja/weechat_plugin_api.ja.adoc
index 1c37b0307..fbf3340f5 100644
--- a/doc/ja/weechat_plugin_api.ja.adoc
+++ b/doc/ja/weechat_plugin_api.ja.adoc
@@ -2569,18 +2569,21 @@ str5 = weechat.string_eval_expression("password=abc password=def", {}, {}, optio
   (_WeeChat バージョン 2.7 以上で利用可_) |
   Result of expression, where parentheses and the following operators are
   supported: +
-  `+`: addition +
-  `-`: subtraction +
-  `*`: multiplication +
-  `/`: division +
-  `//`: result of division without fractional part +
-  `%`: remainder of division. |
+  `+++`: addition +
+  `+-+`: subtraction +
+  `+*+`: multiplication +
+  `+/+`: division +
+  `+//+`: result of division without fractional part +
+  `+%+`: remainder of division +
+  `+**+`: power. |
   `+${calc:5+2*3}+` +
   `+${calc:(5+2)*3}+` +
-  `+${calc:9.2%3}+` |
+  `+${calc:9.2%3}+` +
+  `+${calc:2**16}+` |
   `+11+` +
   `+21+` +
-  `+0.2+`
+  `+0.2+` +
+  `+65536+`
 
 | `+${sec.data.name}+` |
   セキュアデータ `name` の値 |