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-rw-r--r--lib/string.tes2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/string.tes b/lib/string.tes
index 669b288..e6ec4a1 100644
--- a/lib/string.tes
+++ b/lib/string.tes
@@ -16,7 +16,7 @@
! <i,j>M[exchange] - Exchange line at I with line at J (I < J), returning new J !
@[exchange]{
U.jU.i
- Q.jJ X.xK
+ Q.jJ @X.x
Q.iJ G.x .-Q.i%.j .-(X.xL.)%.j -K
Q.jJ G.x
Q.j