No, ISOLatin1AccentFilterFactory is not deprecated. You can use either MappingCharFilterFactory+mapping-ISOLatin1Accent.txt or ISOLatin1AccentFilterFactory whichever you'd like.
Koji Jay Hill wrote:
Correct me if I'm wrong, but wasn't the ISOLatin1AccentFilterFactory deprecated in favor of: <charFilter class="solr.MappingCharFilterFactory" mapping="mapping-ISOLatin1Accent.txt"/> in 1.4? -Jay http://www.lucidimagination.com