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view tools/foreach.m4 @ 1455:8ea0d32a1864

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Prevent user from escaping from scene or dup group. - It monitor changes of layer. - Go back to previous scene or dup group when user escape from the scene or dup group.
author Thinker K.F. Li <thinker@codemud.net>
date Thu, 14 Apr 2011 15:24:37 +0800
parents f4b792afa74e
children
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divert([-1])

define([_arg1], [$1])

define([_foreach], [ifelse([$2], [()], [],
[define([$1], _arg1$2)$3[]_foreach([$1], (shift$2), [$3])])])

define([foreach], [pushdef([$1])_foreach($@)popdef([$1])])

divert[]dnl