CRAM fix for MD tag generation with "b" FC. #1086
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We don't normally generate these features, using "B" instead. However some hand crafted CRAM files have shown we didn't create the correct MD tag due to forgetting to clear the distance since last edit, giving rise to the last numeric in MD being high. Eg: MD:Z:0A98T0 came out as MD:Z:0A98T98 if that last T edit was a "b" feature.
jkbonfield
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See samtools/htslib#1086 for more details from htslib PR.
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We don't normally generate these features, using "B" instead. However some hand crafted CRAM files have shown we didn't create the correct MD tag due to forgetting to clear the distance since last edit, giving rise to the last numeric in MD being high.
Eg: MD:Z:0A98T0 came out as MD:Z:0A98T98 if that last T edit was a "b" feature.
0503_mapped.cram.zip