Just today I wondered why something was not working with a specific custom code and was able to track the problem down by debugging to using PublishingWeb.IsPublishingWeb -method to a web in another site collection with read-permissions. The error message was somewhat puzzling, something like:

0×80070002

at Microsoft.SharePoint.Library.SPRequestInternalClass.GetWebUrl(Guid gWebId, String bstrSiteUrl)…..
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There is an old bug in SharePoint 2010 that surfaces to me from time to time: blog site category title doesn’t render correctly if it contains some funny foreign characters we Finnish like to use in our language.

The reason I’m writing this down right now is that I’ve got a case tomorrow at work where I have to…