erl_scan.erl

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%% ``The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
%% compliance with the License. You should have received a copy of the
%% Erlang Public License along with this software. If not, it can be
%% retrieved via the world wide web at http://www.erlang.org/.
%% 
%% Software distributed under the License is distributed on an "AS IS"
%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
%% the License for the specific language governing rights and limitations
%% under the License.
%% 
%% The Initial Developer of the Original Code is Ericsson Utvecklings AB.
%% Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
%% AB. All Rights Reserved.''
%% 
%%     $Id$
%%

%% Erlang token scanning functions of io library.

%% For handling ISO 8859-1 (Latin-1) we use the following type
%% information:
%%
%% 000 - 037	NUL - US	control
%% 040 - 057	SPC - /		punctuation
%% 060 - 071	0 - 9		digit
%% 072 - 100	: - @		punctuation
%% 101 - 132	A - Z		uppercase
%% 133 - 140	[ - `		punctuation
%% 141 - 172	a - z		lowercase
%% 173 - 176	{ - ~		punctuation
%% 177		DEL		control
%% 200 - 237			control
%% 240 - 277	NBSP -