From 878118777153b024303a59c3c1144ace3a49c0f6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?S=C3=A9bastien=20Helleu?= Date: Sat, 12 Mar 2022 16:08:19 +0100 Subject: doc/scripting: translate note about Tcl constant $::weechat::WEECHAT_NULL --- doc/it/weechat_scripting.it.adoc | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'doc/it') diff --git a/doc/it/weechat_scripting.it.adoc b/doc/it/weechat_scripting.it.adoc index 4e7735762..ea4b2cf7b 100644 --- a/doc/it/weechat_scripting.it.adoc +++ b/doc/it/weechat_scripting.it.adoc @@ -213,6 +213,12 @@ Functions are called with `+weechat.xxx(arg1, arg2, ...)+`. Functions are called with `+weechat::xxx arg1 arg2 ...+`. +Since Tcl only has string types, there's no null type to pass as an argument +when a function accepts null values. To overcome this you can use the constant +`$::weechat::WEECHAT_NULL` which acts as a null value. This constant is defined +as `\uFFFF\uFFFF\uFFFFWEECHAT_NULL\uFFFF\uFFFF\uFFFF`, so it's very unlikely to +appear intentionally. + [[language_guile]] ==== Guile (Scheme) -- cgit v1.2.3