Warning, /frameworks/syntax-highlighting/autotests/folding/highlight.erl.fold is written in an unsupported language. File is not indexed.

 % testing for the erlang syntax highlighter
 % NOTE alerts work in comments to TODO !
 
 % pragmas (show as keywords)
 -module
 -export
 -define
 -undef
 -ifdef
 -ifndef
 -else
 -endif
 -include
 -include_lib
 
 % key words
 after begin case catch cond  end fun if let of query receive all_true some_true 
 
 % operators
 div rem or xor bor bxor bsl bsr and band not bnot
 + - * / == /= =:= =/= < =< > >= ++ -- = ! <-
 
 % separators (show as functions)
 ( ) { } [ ] . : | || ; , ? -> #
 
 % functions - predefined (part of erlang module) - show as functions
 abs accept alarm apply atom_to_list binary_to_list binary_to_term check_process_code
 concat_binary date delete_module disconnect_node element erase exit float float_to_list
 garbage_collect get get_keys group_leader halt hd integer_to_list is_alive is_atom is_binary
 is_boolean is_float is_function is_integer is_list is_number is_pid is_port is_process_alive
 is_record is_reference is_tuple length link list_to_atom list_to_binary list_to_float list_to_integer
 list_to_pid list_to_tuple load_module loaded localtime make_ref module_loaded node nodes now
 open_port pid_to_list port_close port_command port_connect port_control ports pre_loaded process_flag
 process_info processes purge_module put register registered round self setelement size
 spawn spawn_link spawn_opt split_binary statistics term_to_binary throw time tl trunc tuple_to_list
 unlink unregister whereis
 
 % functions - inferred
 module:function
 function()
 
 % atoms (show as "char")
 % begin with underscore, lowercase, contain numbers letters and @ - or anything between ''
 middle_underscore
 abc ab4d a@cd8 a@
 'And this is (\012) an atom \' Atoo' Variable 'atom again' 
 
 % variables (begin with capital letter or underscore, contain numbers, letters and @)
 _leadingUnderscore AbdD@ B45@c
 
 % this is a string 
 "a string sits between \" double quotes" atom "more string"
 
 % integers (decimal)
 1. 234 $A
 
 % integers (specified base)
 2#10101 34#567
 
 % float
 12.23 12.9e-67 12.8E+89 33.34e89
 
 % and finally some real code, so we can see what it looks like...
 -module(codetest).                      % everything is in a module
 -export([fac/1]).               % name and number of arguments - need this to be called outside of the module
 
 fac(N) when N > 0  -> N * fac(N-1);
 fac(N) when N == 0 -> 1.