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Related Syntax | Related Concepts | ||||
built-in variable |
#appinfo |
Purpose
#appinfo
is a built-in, read-only stream
that provides the value of the appinfo
parameter of an SGML declaration.
Whether the #appinfo
shelf has a value depends on the state of SGML parsing. It has a value only if
the SGML declaration has already been parsed and it had an appinfo
declaration other than none
. If this is not the case, it is unattached. Therefore, #appinfo
is
never attached in
document-start
rule,
do sgml-parse
block, prior to the execution of the first %c
or suppress
,
unless a pre-compiled DTD is used,
document-end
rule, when errors occurred before this information could be determined.
If an SGML declaration was not given, or if appinfo none
was specified in the SGML
declaration, #appinfo
is unattached.
Related Syntax |
Related Concepts |
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