[plt-scheme] scheme_custodian_check_available / scheme_remove_managed

From: Chongkai Zhu (czhu at cs.utah.edu)
Date: Tue Sep 29 11:44:06 EDT 2009

Hi All,

I noticed that in the doc scheme_remove_managed is replaced by 
scheme_custodian_check_available , but nothing is mentioned in the doc 
about its first three arguments. Is scheme_remove_managed only provide 
for backward compatibility now? Could someone help clarify how to use 
scheme_custodian_check_available instead?


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