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From: rixed@happyleptic.org
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Subject: Re: Help needed debugging segfault with Guile 1.8.7
Date: Thu, 11 Nov 2010 09:22:00 +0100
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General 2cents:

If you have multiple guile scheme, don't.
If you keep any SCM value across a call to scm_function(), protect it
from the GC.