The main purpose of BzReader is to allow the offline browsing of the Wikipedia. Let BzReader create the index for fast retrieval of topics. This might be quite lengthy for big dumps. It takes about 4 hours on Core 2 Duo to index the current dump of all English topics (enwiki-20080312-pages-articles.xml.bz2, 3.5 Gb file). The BzReader index for this dump takes about 550 Mb.
