[1] XMLspec の EBNF 記述用の語彙について。
scrap
lang
IDREF
language
headstyle
(show -- 既定 -- | suppress)
(head, (prod | prodgroup | prodrecap | bnf)+)
head
prod
prodgroup
prodrecap
bnf
pcw1
pcw5
(prod+)
id
(lhs, (rhs, (com | wfc | vc | constraint)*)+)
lhs
rhs
com
wfc
vc
constraint
PCDATA
(#PCDATA | nt | xnt | com)*
nt
xnt
def
href
(#PCDATA | loc | bibref)*
loc
bibref
ref
xml:space
preserve
%eg.pcd.mix;