Description:
Vim 7.3 is not compiled using Lua.

Additional info:

VIM - Vi IMproved 7.3 (2010 Aug 15, compiled Oct 18 2011 23:13:21)
Included patches: 1-338
Compiled by ArchLinux
Big version without GUI. Features included (+) or not (-):
+arabic +autocmd -balloon_eval -browse ++builtin_terms +byte_offset +cindent
-clientserver -clipboard +cmdline_compl +cmdline_hist +cmdline_info +comments
+conceal +cryptv +cscope +cursorbind +cursorshape +dialog_con +diff +digraphs
-dnd -ebcdic +emacs_tags +eval +ex_extra +extra_search +farsi +file_in_path
+find_in_path +float +folding -footer +fork() +gettext -hangul_input +iconv
+insert_expand +jumplist +keymap +langmap +libcall +linebreak +lispindent
+listcmds +localmap >>> -lua <<<< +menu +mksession +modify_fname +mouse -mouseshape
+mouse_dec +mouse_gpm -mouse_jsbterm +mouse_netterm -mouse_sysmouse
+mouse_xterm +multi_byte +multi_lang -mzscheme -netbeans_intg +path_extra +perl
+persistent_undo +postscript +printer -profile -python -python3 +quickfix
+reltime +rightleft -ruby +scrollbind +signs +smartindent -sniff +startuptime
+statusline -sun_workshop +syntax +tag_binary +tag_old_static -tag_any_white
-tcl +terminfo +termresponse +textobjects +title -toolbar +user_commands
+vertsplit +virtualedit +visual +visualextra +viminfo +vreplace +wildignore
+wildmenu +windows +writebackup -X11 -xfontset -xim -xsmp -xterm_clipboard
-xterm_save
system vimrc file: "/etc/vimrc"
user vimrc file: "$HOME/.vimrc"
user exrc file: "$HOME/.exrc"
fall-back for $VIM: "/usr/share/vim"
Compilation: gcc -c -I. -Iproto -DHAVE_CONFIG_H -I/usr/local/include -march=i686 -mtune=generic -O2 -pipe -fstack-protector --param=ssp-buffer-size=4 -D_FORTIFY_SOURCE=1
Linking: gcc -Wl,-E -Wl,-rpath,/usr/lib/perl5/core_perl/CORE -Wl,-O1,--sort-common,--as-needed,-z,relro,--hash-style=gnu -L/usr/local/lib -Wl,--as-needed -o vim -lm -lncurses -lelf -lacl -lattr -lgpm -ldl -Wl,-E -Wl,-rpath,/usr/lib/perl5/core_perl/CORE -Wl,-O1,--sort-common,--as-needed,-z,relro,--hash-style=gnu -fstack-protector -L/usr/local/lib -L/usr/lib/perl5/core_perl/CORE -lperl -lnsl -ldl -lm -lcrypt -lutil -lpthread -lc

Steps to reproduce:
vim +":lua print("Lua works")"