diff --git a/.gitignore b/.gitignore
index afcbc8c..ed9600d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,2 @@
 **/*.o
 lite
-TODO
diff --git a/LICENSE b/LICENSE
index 39ddd05..ddbb154 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,5 @@
 Copyright (c) 2020 rxi
+Copyright (c) 2021 Alessandro Mauri
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of
 this software and associated documentation files (the "Software"), to deal in
diff --git a/TODO b/TODO
new file mode 100644
index 0000000..b405164
--- /dev/null
+++ b/TODO
@@ -0,0 +1,30 @@
+[x] use system lua lib
+[ ] make it std=c11 not gnu11
+[ ] make it compile on openbsd
+[ ] update license, readme and documentation
+[ ] add manpage
+[x] add desktop file
+[x] makefile: add install and uninstall
+[ ] SDL: disable key not recognized messages
+[ ] add menu to exec arbitrary command
+	[ ] that command can be what is selected
+[ ] add a cross to close tab
+[ ] prevent overscrolling on treeview
+[ ] user config file and/or init.lua
+[ ] save session and restore on reopening
+[ ] some key bindings:
+	[ ] alt+right == End
+	[ ] alt+left == Home
+	[ ] alt+up == PageUp
+	[ ] alt+down == PageDown
+	[ ] ctrl+d == duplicate line
+	[ ] ctrl+x == cut line || selection
+	[ ] ctrl+c == copy line || selection
+	[ ] ctrl+shift+o == change & open project folder -> core:open-project-module
+	[ ] ctrl+q == quit
+[x] change alt+<number> to ctrl+<number>
+[ ] add multi cursor system
+[ ] add binding to open up a cheatsheet of keybinding, with a
+    search feature
+[ ] implement visual "ruler" at column 80
+[ ] show hidden files config and binding
diff --git a/data/core/keymap.lua b/data/core/keymap.lua
index 4d48ed4..a50570f 100644
--- a/data/core/keymap.lua
+++ b/data/core/keymap.lua
@@ -104,15 +104,15 @@ keymap.add {
   ["ctrl+shift+tab"] = "root:switch-to-previous-tab",
   ["ctrl+pageup"] = "root:move-tab-left",
   ["ctrl+pagedown"] = "root:move-tab-right",
-  ["alt+1"] = "root:switch-to-tab-1",
-  ["alt+2"] = "root:switch-to-tab-2",
-  ["alt+3"] = "root:switch-to-tab-3",
-  ["alt+4"] = "root:switch-to-tab-4",
-  ["alt+5"] = "root:switch-to-tab-5",
-  ["alt+6"] = "root:switch-to-tab-6",
-  ["alt+7"] = "root:switch-to-tab-7",
-  ["alt+8"] = "root:switch-to-tab-8",
-  ["alt+9"] = "root:switch-to-tab-9",
+  ["ctrl+1"] = "root:switch-to-tab-1",
+  ["ctrl+2"] = "root:switch-to-tab-2",
+  ["ctrl+3"] = "root:switch-to-tab-3",
+  ["ctrl+4"] = "root:switch-to-tab-4",
+  ["ctrl+5"] = "root:switch-to-tab-5",
+  ["ctrl+6"] = "root:switch-to-tab-6",
+  ["ctrl+7"] = "root:switch-to-tab-7",
+  ["ctrl+8"] = "root:switch-to-tab-8",
+  ["ctrl+9"] = "root:switch-to-tab-9",
 
   ["ctrl+f"] = "find-replace:find",
   ["ctrl+r"] = "find-replace:replace",
diff --git a/lite.desktop b/lite.desktop
new file mode 100644
index 0000000..146ec72
--- /dev/null
+++ b/lite.desktop
@@ -0,0 +1,16 @@
+[Desktop Entry]
+
+Name=Lite
+GenericName=Text Editor
+Comment=Lightweight Lua text editor
+
+Icon=lite
+Type=Application
+Categories=Utility;TextEditor;Development;
+Keywords=text;editor;syntax;
+
+Exec=lite %F
+StartupNotify=false
+Terminal=false
+MimeType=text/plain;text/x-chdr;text/x-csrc;text/x-c++hdr;text/x-c++src;text/x-java;text/x-dsrc;text/x-pascal;text/x-perl;text/x-python;application/x-php;application/x-httpd-php3;application/x-httpd-php4;application/x-httpd-php5;application/xml;text/html;text/css;text/x-sql;text/x-diff;
+
diff --git a/makefile b/makefile
index da78ca0..6ca7289 100644
--- a/makefile
+++ b/makefile
@@ -1,9 +1,11 @@
 .POSIX:
 
+PREFIX = /usr/local
+MANPREFIX = ${PREFIX}/share/man
 CC ?= gcc
 SRCDIR = ./src
-CFLAGS = -Wall -Werror -pedantic -O3 -std=gnu11 -fno-strict-aliasing -I${SRCDIR}\
-         -DLUA_USE_POSIX
+CFLAGS = -Wall -Werror -pedantic -O3 -std=gnu11 -fno-strict-aliasing \
+	-I${SRCDIR} -DLUA_USE_POSIX
 # remove this
 LDFLAGS = -lSDL2 -lm -llua5.2
 FILES != find ${SRCDIR} -name '*.c'
@@ -12,5 +14,25 @@ OBJS = $(FILES:.c=.o)
 lite: ${OBJS}
 	${CC} ${LDFLAGS} $^ -o $@
 
+install: lite
+	mkdir -p ${DESTDIR}${PREFIX}/share/lite
+	cp -f lite ${DESTDIR}${PREFIX}/share/lite/lite
+	chmod 755 ${DESTDIR}${PREFIX}/share/lite/lite
+	cp -rf data ${DESTDIR}${PREFIX}/share/lite/data
+	mkdir -p ${DESTDIR}${PREFIX}/bin
+	ln -sf ${DESTDIR}${PREFIX}/share/lite/lite ${DESTDIR}${PREFIX}/bin/lite
+#	mkdir -p ${DESTDIR}${MANPREFIX}/man1
+#	cp -f us.1 ${DESTDIR}${MANPREFIX}/man1/us.1
+#	chmod 644 ${DESTDIR}${MANPREFIX}/man1/us.1
+	cp -f lite.desktop ${DESTDIR}${PREFIX}/share/applications/lite.desktop
+	cp -f icon.ico ${DESTDIR}${PREFIX}/share/icons/hicolor/scalable/apps/lite.ico
+
+uninstall:
+	rm -f ${DESTDIR}${PREFIX}/bin/lite \
+		${DESTDIR}&{PREFIX}/share/applications/lite.desktop \
+		${DESTDIR}${PREFIX}/share/icons/hicolor/scalable/apps/lite.ico
+#		${DESTDIR}${MANPREFIX}/man1/us.1
+	rm -rf ${DESTDIR}${PREFIX}/share/lite
+
 clean:
 	rm -f lite ${OBJS}
diff --git a/src/api/api.c b/src/api/api.c
index d273cf2..a31334f 100644
--- a/src/api/api.c
+++ b/src/api/api.c
@@ -10,7 +10,6 @@ static const luaL_Reg libs[] = {
 };
 
 void api_load_libs(lua_State *L) {
-	for (int i = 0; libs[i].name; i++) {
+	for (int i = 0; libs[i].name; i++)
 		luaL_requiref(L, libs[i].name, libs[i].func, 1);
-	}
 }
diff --git a/src/main.c b/src/main.c
index c5291e8..f47e93b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -94,7 +94,6 @@ int main(int argc, char **argv)
 	lua_pushstring(L, exename);
 	lua_setglobal(L, "EXEFILE");
 
-
 	(void) luaL_dostring(L,
 	  "local core\n"
 	  "xpcall(function()\n"