Add matrix-case per #1759

quicklisp · quicklisp · commit 7dd42896c849 · 2020-05-30T14:33:19.000-04:00
diff --git a/projects/matrix-case/source.txt b/projects/matrix-case/source.txt
@@ -0,0 +1 @@
+git https://github.com/hyotang666/matrix-case.git

Original file line number	Diff line number	Diff line change
`@@ -0,0 +1 @@`
	`1`	`+git https://github.com/hyotang666/matrix-case.git`