K 10 svn:author V 8 kientzle K 8 svn:date V 27 2007-06-18T00:36:54.000000Z K 7 svn:log V 292 Track whether the current read stream supports seek(). For now, we assume yes unless seek has previously failed, but I fear I'll have to avoid seeks under other circumstances. (For instance, tape drives on FreeBSD seem to return garbage from lseek().) Also, optimize away zero-byte skips. END