| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version |
Arguments: name1 name2 &optional name
All arguments should be symbols.
compose-external-formats creates a new external-format with
name name, or, if name is
nil
, a keyword symbol whose symbol-name is
the concatenation of names name1 followed by #\-
followed by name2. The composed external-format
is returned.
name1 is called the composer and
name2 is called the composee. External
formats have slots for the composer and composee. If the value in
those slots is nil
, the external format is
not composed. The functions ef-composer-ef and ef-composee-ef access those slots. The
function composed-external-format-p returns true or
false as its argument is or is not a composed external format.
The chars-to-octets
and
octets-to-char
macros of the composed
external-format are formed as if by evaluation of forms equivalent to
the following:
(def-char-to-octets-macro name (char state &key put-next-octet external-format) `(chars-to-octets NAME1 ,char ,state :put-next-octet ,put-next-octet :external-format NAME2)) (def-octets-to-chars-macro name (state &key get-next-octet external-format) `(octets-to-char NAME1 ,state :get-next-octet ,get-next-octet :external-format NAME2))
See iacl.htm for more information on international character support in Allegro CL.
Copyright (c) 1998-2016, Franz Inc. Oakland, CA., USA. All rights reserved.
This page was not revised from the 8.1 page.
Created 2010.1.21.
| Allegro CL version 8.2 Unrevised from 8.1 to 8.2. 8.1 version |