Sitecore text search in PDF or Word documents
问题 I want to find out if it's possible to configure Sitecore's Lucene search engine to index PDF or Word documents? I've looked on the Sitecore support site at this document (http://sdn.sitecore.net/upload/sitecore6/65/sitecore_search_and_indexing_sc60-65-a4.pdf) but it mentions creating a file crawler class which suggests to me that it's only possible to achieve this by writing custom code. If I do need to write custom code to do this, would I also need to have some API in order to extract the