diff --git a/Makefile.os4 b/Makefile.os4
index f41b5a56..c9facd54 100644
--- a/Makefile.os4
+++ b/Makefile.os4
@@ -89,6 +89,7 @@ release: clean LiteXL
 	@mkdir -p release/LiteXL2
 	@cp -r resources/amiga/* release/LiteXL2/
 	@mv release/LiteXL2/LiteXL2.info release/
+	@mv release/LiteXL2/AutoInstall release/
 	@cp -r data release/LiteXL2/
 	@cp changelog.md release/LiteXL2/
 	@cp $(outfile) release/LiteXL2/
diff --git a/README_Amiga.md b/README_Amiga.md
index f7a4bcd1..a6ea3062 100644
--- a/README_Amiga.md
+++ b/README_Amiga.md
@@ -223,10 +223,13 @@ https://git.walkero.gr/walkero/lite-xl/issues
 
 # Changelog
 
-## [2.1.2r1] - future
+## [2.1.3r1] - future
+### Added
+- Added AmiUpdate support
+
 ### Updated
 - Updated the code to the upstream 2.1.3 release
-- Compiled with SDL 2.30.x that supports writing in ISO encodings, other
+- Compiled with SDL 2.30.0 that supports editing with ISO encodings, other
   than English. Now the editor should be able to support any language
   and in conjuction with the codesets plugin be able to make text
   encodings conversions (AmigsOS 4 version only)
@@ -238,7 +241,10 @@ https://git.walkero.gr/walkero/lite-xl/issues
   were left over
 
 ### Fixed
-- Fixed opening partition and assign paths
+- I did a lot of changes on path manipulation and usage, fixing opening
+  the root of a partition or an assign path
+- Fixed an error with the codesets plugin, where an empty file could
+  not be opened
 
 ## [2.1.2r1] - 2023-12-19
 ### Added
diff --git a/data/core/common.lua b/data/core/common.lua
index 9aa0aa31..ed0d9e92 100644
--- a/data/core/common.lua
+++ b/data/core/common.lua
@@ -465,6 +465,20 @@ function common.basename(path)
 end
 
 
+---Returns the base path with the pathsep, if needed.
+---@param path string
+---@return string
+function common.basepath(path)
+  -- Check for AmigaOS 4 and MorphOS if the last character is semicolon
+  -- In these systems the volume name doesn't have a / or \ after the name
+  -- but it is like VOLUME:
+  if (PLATFORM == "AmigaOS 4" or PLATFORM == "MorphOS") and (string.sub(path, -1) == ":") then
+    return path
+  end
+  return path .. PATHSEP
+end
+
+
 ---Returns the directory name of a path.
 ---If the path doesn't have a directory, this function may return nil.
 ---@param path string
@@ -657,7 +671,7 @@ function common.mkdirp(path)
     path = updir
   end
   for _, dirname in ipairs(subdirs) do
-    path = path and path .. PATHSEP .. dirname or dirname
+    path = path and common.basepath(path) .. dirname or dirname
     if not system.mkdir(path) then
       return false, "cannot create directory", path
     end
@@ -721,4 +735,3 @@ end
 
 
 return common
-
diff --git a/data/core/dirwatch.lua b/data/core/dirwatch.lua
index b0a45df0..aa627006 100644
--- a/data/core/dirwatch.lua
+++ b/data/core/dirwatch.lua
@@ -97,7 +97,7 @@ function dirwatch:check(change_callback, scan_time, wait_time)
     if self.monitor:mode() == "single" then
       local path = common.dirname(id)
       if not string.match(id, "^/") and not string.match(id, "^%a:[/\\]") then
-        path = common.dirname(self.single_watch_top .. PATHSEP .. id)
+        path = common.dirname(common.basepath(self.single_watch_top) .. id)
       end
       change_callback(path)
     elseif self.reverse_watched[id] then
@@ -177,12 +177,7 @@ end
 -- compute a file's info entry completed with "filename" to be used
 -- in project scan or falsy if it shouldn't appear in the list.
 local function get_project_file_info(root, file, ignore_compiled)
-  local info
-  if (PLATFORM == "AmigaOS 4" or PLATFORM == "MorphOS") and (string.sub(root, -1) == ":") then
-    info = system.get_file_info(root .. file)
-  else
-    info = system.get_file_info(root .. PATHSEP .. file)
-  end
+  local info = system.get_file_info(common.basepath(root) .. file)
 
   -- info can be not nil but info.type may be nil if is neither a file neither
   -- a directory, for example for /dev/* entries on linux.
@@ -206,12 +201,7 @@ function dirwatch.get_directory_files(dir, root, path, entries_count, recurse_pr
   local t0 = system.get_time()
   local ignore_compiled = compile_ignore_files()
 
-  local all
-  if (PLATFORM == "AmigaOS 4" or PLATFORM == "MorphOS") and (string.sub(root, -1) == ":") then
-    all = system.list_dir(root .. path)
-  else
-    all = system.list_dir(root .. PATHSEP .. path)
-  end
+  local all = system.list_dir(common.basepath(root) .. path)
 
   if not all then return nil end
   local entries = { }
diff --git a/data/core/doc/init.lua b/data/core/doc/init.lua
index c3eeba87..62112bdf 100644
--- a/data/core/doc/init.lua
+++ b/data/core/doc/init.lua
@@ -46,7 +46,7 @@ function Doc:reset_syntax()
   local header = self:get_text(1, 1, self:position_offset(1, 1, 128))
   local path = self.abs_filename
   if not path and self.filename then
-    path = core.project_dir .. PATHSEP .. self.filename
+    path = common.basepath(core.project_dir) .. self.filename
   end
   if path then path = common.normalize_path(path) end
   local syn = syntax.get(path, header)
diff --git a/data/core/init.lua b/data/core/init.lua
index 614d7ff3..02d8c787 100644
--- a/data/core/init.lua
+++ b/data/core/init.lua
@@ -18,13 +18,13 @@ local Doc
 local core = {}
 
 local function load_session()
-  local ok, t = pcall(dofile, USERDIR .. PATHSEP .. "session.lua")
+  local ok, t = pcall(dofile, common.basepath(USERDIR) .. "session.lua")
   return ok and t or {}
 end
 
 
 local function save_session()
-  local fp = io.open(USERDIR .. PATHSEP .. "session.lua", "w")
+  local fp = io.open(common.basepath(USERDIR) .. "session.lua", "w")
   if fp then
     fp:write("return {recents=", common.serialize(core.recent_projects),
       ", window=", common.serialize(table.pack(system.get_window_size())),
@@ -188,7 +188,7 @@ local function refresh_directory(topdir, target)
   -- If this file doesn't exist, we should be calling this on our parent directory, assume we'll do that.
   -- Unwatch just in case.
   if files == nil then
-    topdir.watch:unwatch(topdir.name .. PATHSEP .. (target or ""))
+    topdir.watch:unwatch(common.basepath(topdir.name) .. (target or ""))
     return true
   end
 
@@ -212,7 +212,7 @@ local function refresh_directory(topdir, target)
       -- If it's not there, remove the entry from the list as being out of order.
         table.remove(topdir.files, old_idx)
         if old_info.type == "dir" then
-          topdir.watch:unwatch(topdir.name .. PATHSEP .. old_info.filename)
+          topdir.watch:unwatch(common.basepath(topdir.name) .. old_info.filename)
         end
         directory_end_idx = directory_end_idx - 1
       end
@@ -223,7 +223,7 @@ local function refresh_directory(topdir, target)
     end
   end
   for i, v in ipairs(new_directories) do
-    topdir.watch:watch(topdir.name .. PATHSEP .. v.filename)
+    topdir.watch:watch(common.basepath(topdir.name) .. v.filename)
     if not topdir.files_limit or core.project_subdir_is_shown(topdir, v.filename) then
       refresh_directory(topdir, v.filename)
     end
@@ -273,7 +273,7 @@ function core.add_project_directory(path)
     refresh_directory(topdir)
   else
     for i,v in ipairs(t) do
-      if v.type == "dir" then topdir.watch:watch(path .. PATHSEP .. v.filename) end
+      if v.type == "dir" then topdir.watch:watch(common.basepath(path) .. v.filename) end
     end
   end
   topdir.watch:watch(topdir.name)
@@ -287,7 +287,7 @@ function core.add_project_directory(path)
       local changed = topdir.watch:check(function(target)
         if target == topdir.name then return refresh_directory(topdir) end
         local dirpath = target:sub(#topdir.name + 2)
-        local abs_dirpath = topdir.name .. PATHSEP .. dirpath
+        local abs_dirpath = common.basepath(topdir.name) .. dirpath
         if dirpath then
           -- check if the directory is in the project files list, if not exit.
           local dir_index, dir_match = file_search(topdir.files, {filename = dirpath, type = "dir"})
@@ -374,9 +374,9 @@ function core.update_project_subdir(dir, filename, expanded)
   assert(dir.files_limit, "function should be called only when directory is in files limit mode")
   dir.shown_subdir[filename] = expanded
   if expanded then
-    dir.watch:watch(dir.name .. PATHSEP .. filename)
+    dir.watch:watch(common.basepath(dir.name) .. filename)
   else
-    dir.watch:unwatch(dir.name .. PATHSEP .. filename)
+    dir.watch:unwatch(common.basepath(dir.name) .. filename)
   end
   return refresh_directory(dir, filename)
 end
@@ -388,7 +388,7 @@ end
 local function find_files_rec(root, path)
   local all = system.list_dir(root .. path) or {}
   for _, file in ipairs(all) do
-    local file = path .. PATHSEP .. file
+    local file = common.basepath(path) .. file
     local info = system.get_file_info(root .. file)
     if info then
       info.filename = strip_leading_path(file)
@@ -463,7 +463,7 @@ local function create_user_directory()
     error("cannot create directory \"" .. USERDIR .. "\": " .. err)
   end
   for _, modname in ipairs {'plugins', 'colors', 'fonts'} do
-    local subdirname = USERDIR .. PATHSEP .. modname
+    local subdirname = common.basepath(USERDIR) .. modname
     if not system.mkdir(subdirname) then
       error("cannot create directory: \"" .. subdirname .. "\"")
     end
@@ -603,7 +603,7 @@ function core.load_user_directory()
     if not stat_dir then
       create_user_directory()
     end
-    local init_filename = USERDIR .. PATHSEP .. "init.lua"
+    local init_filename = common.basepath(USERDIR) .. "init.lua"
     local stat_file = system.get_file_info(init_filename)
     if not stat_file then
       write_user_init_file(init_filename)
@@ -636,7 +636,7 @@ end
 local function add_config_files_hooks()
   -- auto-realod style when user's module is saved by overriding Doc:Save()
   local doc_save = Doc.save
-  local user_filename = system.absolute_path(USERDIR .. PATHSEP .. "init.lua")
+  local user_filename = system.absolute_path(common.basepath(USERDIR) .. "init.lua")
   function Doc:save(filename, abs_filename)
     local module_filename = system.absolute_path(".lite_project.lua")
     doc_save(self, filename, abs_filename)
@@ -661,9 +661,9 @@ function core.project_absolute_path(filename)
     return common.normalize_path(filename)
   elseif not core.project_dir then
     local cwd = system.absolute_path(".")
-    return cwd .. PATHSEP .. common.normalize_path(filename)
+    return common.basepath(cwd) .. common.normalize_path(filename)
   else
-    return core.project_dir .. PATHSEP .. filename
+    return common.basepath(core.project_dir) .. filename
   end
 end
 
@@ -879,7 +879,7 @@ function core.delete_temp_files(dir)
   dir = type(dir) == "string" and common.normalize_path(dir) or USERDIR
   for _, filename in ipairs(system.list_dir(dir) or {}) do
     if filename:find(temp_file_prefix, 1, true) == 1 then
-      os.remove(dir .. PATHSEP .. filename)
+      os.remove(common.basepath(dir) .. filename)
     end
   end
 end
@@ -887,7 +887,7 @@ end
 function core.temp_filename(ext, dir)
   dir = type(dir) == "string" and common.normalize_path(dir) or USERDIR
   temp_file_counter = temp_file_counter + 1
-  return dir .. PATHSEP .. temp_file_prefix
+  return common.basepath(dir) .. temp_file_prefix
       .. string.format("%06x", temp_file_counter) .. (ext or "")
 end
 
@@ -963,7 +963,7 @@ function core.load_plugins()
   }
   local files, ordered = {}, {}
   for _, root_dir in ipairs {DATADIR, USERDIR} do
-    local plugin_dir = root_dir .. PATHSEP .. "plugins"
+    local plugin_dir = common.basepath(root_dir) .. "plugins"
     for _, filename in ipairs(system.list_dir(plugin_dir) or {}) do
       if not files[filename] then
         table.insert(
@@ -978,7 +978,7 @@ function core.load_plugins()
   for _, plugin in ipairs(ordered) do
     local dir = files[plugin.file]
     local name = plugin.file:match("(.-)%.lua$") or plugin.file
-    local is_lua_file, details = get_plugin_details(dir .. PATHSEP .. plugin.file)
+    local is_lua_file, details = get_plugin_details(common.basepath(dir) .. plugin.file)
 
     plugin.valid = is_lua_file
     plugin.name = name
@@ -1452,7 +1452,7 @@ end
 
 function core.on_error(err)
   -- write error to file
-  local fp = io.open(USERDIR .. PATHSEP .. "error.txt", "wb")
+  local fp = io.open(common.basepath(USERDIR) .. "error.txt", "wb")
   fp:write("Error: " .. tostring(err) .. "\n")
   fp:write(debug.traceback("", 4) .. "\n")
   fp:close()
diff --git a/data/plugins/treeview.lua b/data/plugins/treeview.lua
index d31be569..3aecba83 100644
--- a/data/plugins/treeview.lua
+++ b/data/plugins/treeview.lua
@@ -83,7 +83,7 @@ function TreeView:get_cached(dir, item, dirname)
     else
       t.filename = item.filename
       t.depth = get_depth(item.filename)
-      t.abs_filename = dirname .. PATHSEP .. item.filename
+      t.abs_filename = common.basepath(dirname) .. item.filename
     end
     t.name = basename
     t.type = item.type
@@ -679,7 +679,7 @@ command.add(
     local relfilename = item.filename
     if item.dir_name ~= core.project_dir then
       -- add secondary project dirs names to the file path to show
-      relfilename = common.basename(item.dir_name) .. PATHSEP .. relfilename
+      relfilename = common.basepath(common.basename(item.dir_name)) .. PATHSEP .. relfilename
     end
     local file_info = system.get_file_info(filename)
     local file_type = file_info.type == "dir" and "Directory" or "File"
@@ -724,7 +724,7 @@ command.add(
       submit = function(filename)
         local abs_filename = filename
         if not common.is_absolute_path(filename) then
-          abs_filename = item.dir_name .. PATHSEP .. filename
+          abs_filename = common.basepath(item.dir_name) .. filename
         end
         local res, err = os.rename(old_abs_filename, abs_filename)
         if res then -- successfully renamed
@@ -754,7 +754,7 @@ command.add(
     core.command_view:enter("Filename", {
       text = text,
       submit = function(filename)
-        local doc_filename = item.dir_name .. PATHSEP .. filename
+        local doc_filename = common.basepath(item.dir_name) .. filename
         core.log(doc_filename)
         local file = io.open(doc_filename, "a+")
         file:write("")
@@ -776,7 +776,7 @@ command.add(
     core.command_view:enter("Folder Name", {
       text = text,
       submit = function(filename)
-        local dir_path = item.dir_name .. PATHSEP .. filename
+        local dir_path = common.basepath(item.dir_name) .. filename
         common.mkdirp(dir_path)
         core.log("Created %s", dir_path)
       end,
diff --git a/data/plugins/workspace.lua b/data/plugins/workspace.lua
index 3b3bd044..dfcec255 100644
--- a/data/plugins/workspace.lua
+++ b/data/plugins/workspace.lua
@@ -7,7 +7,7 @@ local LogView = require "core.logview"
 
 local function workspace_files_for(project_dir)
   local basename = common.basename(project_dir)
-  local workspace_dir = USERDIR .. PATHSEP .. "ws"
+  local workspace_dir = common.basepath(USERDIR) .. "ws"
   local info_wsdir = system.get_file_info(workspace_dir)
   if not info_wsdir then
     local ok, err = system.mkdir(workspace_dir)
@@ -22,7 +22,7 @@ local function workspace_files_for(project_dir)
       if file:sub(1, n) == basename then
         local id = tonumber(file:sub(n + 1):match("^-(%d+)$"))
         if id then
-          coroutine.yield(workspace_dir .. PATHSEP .. file, id)
+          coroutine.yield(common.basepath(workspace_dir) .. file, id)
         end
       end
     end
@@ -52,7 +52,7 @@ local function get_workspace_filename(project_dir)
     id = id + 1
   end
   local basename = common.basename(project_dir)
-  return USERDIR .. PATHSEP .. "ws" .. PATHSEP .. basename .. "-" .. tostring(id)
+  return common.basepath(USERDIR) .. "ws" .. PATHSEP .. basename .. "-" .. tostring(id)
 end
 
 
@@ -166,7 +166,7 @@ local function load_node(node, t)
           active_view = view
         end
         if not view:is(DocView) then
-          view.scroll = v.scroll	
+          view.scroll = v.scroll
         end
       end
     end
diff --git a/resources/amiga/AutoInstall b/resources/amiga/AutoInstall
new file mode 100644
index 00000000..a3d1f768
--- /dev/null
+++ b/resources/amiga/AutoInstall
@@ -0,0 +1,10 @@
+; Lite-XL AutoInstall
+; $VER: Lite-XL AutoInstall 1.0 (15.02.2024)
+
+; Get the path to the executable from the ENV variable
+Set litexlPath `GetEnv AppDir/lite-xl`
+
+copy LiteXL2/#? "$litexlPath" CLONE ALL
+
+; Free the variable
+UnSet litexlPath
diff --git a/src/main.c b/src/main.c
index 85abefcd..fd41281a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -8,7 +8,7 @@
 #include <signal.h>
 
 #if defined(__amigaos4__) || defined(__morphos__)
-#define VSTRING     "Lite XL 2.1.2r1 (28.12.2023)"
+#define VSTRING     "Lite XL 2.1.3r1 (17.02.2024)"
 #define VERSTAG     "\0$VER: " VSTRING
 #endif
 
diff --git a/src/platform/codesets.c b/src/platform/codesets.c
index fe4549f2..8405e655 100644
--- a/src/platform/codesets.c
+++ b/src/platform/codesets.c
@@ -156,6 +156,12 @@ int Lcodesets_convert(lua_State *L) {
   const unsigned char* bom;
   size_t bom_len = 0;
 
+  if (text_len == 0)
+  {
+    lua_pushlstring(L, text, text_len);
+    return 1;
+  }
+
   if (lua_gettop(L) > 3 && lua_istable(L, 4)) {
     lua_getfield(L, 4, "handle_to_bom");
     if (lua_isboolean(L, -1)) {