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-rw-r--r--baremetal/shell/gap-buffer.mu3
1 files changed, 3 insertions, 0 deletions
diff --git a/baremetal/shell/gap-buffer.mu b/baremetal/shell/gap-buffer.mu
index eb103c98..95a92174 100644
--- a/baremetal/shell/gap-buffer.mu
+++ b/baremetal/shell/gap-buffer.mu
@@ -1,3 +1,6 @@
+# primitive for editing a single word
+# parameter: max-word-size = 16 graphemes
+
 type gap-buffer {
   left: grapheme-stack
   right: grapheme-stack