[LuaDoc] Fix incorrect declaration of unit.variables and side.variables - make them consistent with wml.variables

data/lua/core/wml.lua

@@ -311,7 +311,6 @@ if wesnoth.kernel_type() ~= "Application Lua Kernel" then
 	end
 
 	-- Get and set variables via wml.variables[variable_path]
-	---@alias WMLVariableProxy table<string, string|number|boolean|WMLTable>
 	---@type WMLVariableProxy
 	wml.variables = setmetatable({}, {
 		__metatable = "WML variables",

utils/emmylua/wesnoth/sides.lua

@@ -40,7 +40,7 @@
 ---@field faction_name tstring
 ---@field chose_random boolean
 ---@field lost boolean
----@field variables table<string, WML>
+---@field variables WMLVariableProxy
 ---@field __cfg WMLTable
 
 ---@class wesnoth.sides

utils/emmylua/wesnoth/units.lua

@@ -98,7 +98,7 @@
 ---@field advances_to? string[]
 ---@field advancements? WMLTable[]
 ---@field status? table<string, boolean>
----@field variables? table<string, WML>
+---@field variables? WMLVariableProxy
 ---@field attacks? unit_weapon[]
 ---@field traits? string[]
 ---@field abilities? string[]

utils/emmylua/wml.lua

@@ -22,6 +22,9 @@
 ---@field tag string
 ---@field contents WML
 
+---A table that can be used to look up WML variables, both scalar and containers.
+---@alias WMLVariableProxy table<string, string|number|boolean|WMLTable>
+
 ---@class wml
 ---@field all_variables WMLTable
 wml = {}