be4311c07e14feb728abc6425ee606ffaa611a58
markd
  Fri Jan 22 06:46:58 2021 -0800
merge with master

diff --git src/utils/matrixTrim/test.in src/utils/matrixTrim/test.in
new file mode 100644
index 0000000..4881690
--- /dev/null
+++ src/utils/matrixTrim/test.in
@@ -0,0 +1,6 @@
+x	a	bb	c	dd	e
+A	0	1	0	0	1
+BB	0	0	0	0	0
+C	1	0	0	0	2
+DD	0	0	0	0	0
+E	1	2	0	0	3