Change 'encoding' to "utf-8" before iconv_from_utf8() and restore 'en…

…coding' after iconv_from_utf8().

autoload/rogue/main.lua

@@ -108,9 +108,11 @@ local function read_mesg()
 	end
 
 	if vim then
-		g.save_encoding = vim.eval('s:save_encoding')
-		if vim.eval('&encoding') ~= g.save_encoding then
+		g.save_encoding = g.get_vim_variable('s:save_encoding')
+		local needs_iconv = g.get_vim_variable("s:needs_iconv")
+		if needs_iconv ~= 0 then
 			g.needs_iconv = true
+			vim.command('let &encoding = "utf-8"')
 			for k, v in pairs(g.mesg) do
 				g.mesg[k] = g.iconv_from_utf8(v)
 			end

autoload/rogue/rogue.vim

@@ -79,7 +79,11 @@ function! rogue#rogue#main(args)
 	let save_more       = &more
 	let save_guicursor  = &guicursor
 	set cpo&vim
-	let &encoding   = 'utf-8'
+	if &encoding ==? 'utf-8'
+		let s:needs_iconv = 0
+	else
+		let s:needs_iconv = 1
+	endif
 	let &ruler      = 0
 	let &showmode   = 0
 	let &showcmd    = 0

autoload/rogue/save.lua

@@ -114,7 +114,9 @@ function g.restore(fname)
 	end
 	g.xxx(true)
 	buf = g.xxxx(buf)
+	vim.command('let &encoding = "utf-8"')
 	buf = g.iconv_from_utf8(buf)
+	vim.command('let &encoding = s:save_encoding')
 	local Rogue_copy = assert(g.loadstring('return ' .. buf), g.mesg[508])()
 
 	if g.home_dir ~= Rogue_copy.home_dir then

autoload/rogue/score.lua

@@ -343,7 +343,9 @@ function g.put_scores(monster, other)
 		local buf = fp:read("*a")
 		g.xxx(true)
 		buf = g.xxxx(buf)
+		vim.command('let &encoding = "utf-8"')
 		buf = g.iconv_from_utf8(buf)
+		vim.command('let &encoding = s:save_encoding')
 		scores = assert(g.loadstring('return ' .. buf), g.mesg[199])()
 		fp:close()
 	end