Fix repeat' BNF and bits 2' example in Commentary.

This commit is contained in:
Thien-Thi Nguyen 2005-06-11 23:56:33 +00:00
parent 8e71c318da
commit 8b09abe105

View file

@ -85,7 +85,7 @@
;; (items u8)
;; (fill 3)
;; (item repeat (items)
;; ((struct data-spec)))))
;; (struct data-spec))))
;;
;;
;; A binary data representation may look like
@ -131,7 +131,7 @@
;; | ( [FIELD] align LEN ) -- skip to next multiple of LEN bytes
;; | ( [FIELD] struct SPEC_NAME )
;; | ( [FIELD] union TAG_VAL (TAG SPEC)... [(t SPEC)] )
;; | ( [FIELD] repeat COUNT SPEC )
;; | ( [FIELD] repeat COUNT ITEM... )
;; -- In (eval EXPR), the value of the last field is available in
;; the dynamically bound variable `last'.
@ -151,7 +151,8 @@
;; -- Note: 32 bit values may be limited by emacs' INTEGER
;; implementation limits.
;;
;; -- Example: bits 2 will map bytes 0x1c 0x28 to list (2 3 7 11 13)
;; -- Example: `bits 2' will unpack 0x28 0x1c to (2 3 4 11 13)
;; and 0x1c 0x28 to (3 5 10 11 12).
;; FIELD ::= ( eval EXPR ) -- use result as NAME
;; | NAME