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I have a wiki page named Test_child_wiki_ which have an image withi syntax

h1. Test child wiki 

====  child  content ====

!Selection_023.jpg!

====  child  content ====

every thing is ok when I exporting to pdf , the pdf like this

and I have another wiki page which including Test_child_wiki_ page like this

h1. this is parent wiki page

===== parent page ======

{{include(Test_child_wiki_)}}

===== parent page ======

but the image not show in this exporting pdf, the pdf like this: