文法メモ

Tag	Name	Contains
<% ... %>	Substitution	Perl that is evaluated and sent as output
% ...	Perl line	A single line of Perl code
<%perl> ...	Perl block	Perl code
<& ... &>	Component call	A call to another component, possibly with arguments
<%init> ...	init block	Perl code that executes before the main body of the component
<%args> ...	args block	A component's input argument declarations