CD-HIT ChangeLog CD-HIT-V4.6.1 (2012-08-27): Fix: a minor bug in handling masking letters; Add: a few minor changes and fixings to conform to debian packaging rules. CD-HIT-V4.6 (2012-04-25): Add: better auto tuning (for -M 0) of word table size for both single and multiple threaded execution; Fix: a minor bug for very long input sequences; Add: compiling option to change MAX_SEQ. CD-HIT-V4.5.8 (2012-03-24): Add: handling of asterisk at the end of sequences; Add: a few minor improvements in the parallelization; Add: new options -mask and -bak. CD-HIT-V4.5.7 (2011-12-16): Add: minor improvements to the word table size handling; Add: updated documentation file. CD-HIT-V4.5.6 (2011-09-02): Fix: -M for cd-hit-2d and cd-hit-est-2d; Fix: handling of invalid input sequences. CD-HIT-V4.5.5: Fix: a minor bug in option handling for score setting (-match, -mismatch); Fix: a minor bug in printing logs to stdout for cd-hit-2d and cd-hit-2d-est. CD-HIT-V4.5.4: Add: support for FASTQ file as input; Add: improvement to sequence partition for parallelization; Change: default identity threshold from 0.9 to 0.95 for EST. CD-HIT-V4.5.3: Add: cd-hit-454 program to the main package (cdhit-454.c++); Add: options to change the scoring settings; Add: options to control the length of unmatched region. CD-HIT-V4.5.2: MinorChange: default value of "-n" for DNA sequence from 8 to 10; MinorFix: alignment locations and length; CD-HIT-V4.5.1: MinorChange: default value of "-r" from 0 to 1; MinorFix: alignment length for "-G 0". CD-HIT-V4.5: Remove: multi-level counting; Fix: support for "-F" option. CD-HIT-V4.5-Beta3: Change: default word table size for "-M 0"; Fix: global identity computation. CD-HIT-V4.5-Beta2: Fix: alignment position and identity. CD-HIT-V4.5-Beta: Change: local band alignment; Change: filter threshold calculation; Fix: best alignment band searching; CD-HIT-V4.3: Fix: a few bugs related to multi-level counting; Change: implementation for -M option. CD-HIT-V4.2.x: Some bug fixings. CD-HIT-V4.2: Add: multi-level counting array to improve the speed. CD-HIT-V4.1.1: Change: improve estimating alignment band for sequences with low complexity. CD-HIT-V4.1: Fix: a bug in searching best alignment band; Fix: a bug in handling 'N' for EST; CD-HIT-V4.0: New implementation with parallelization using OpenMP.