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-rw-r--r--src/internal.ml5
1 files changed, 5 insertions, 0 deletions
diff --git a/src/internal.ml b/src/internal.ml
index 5ee3926..3751f64 100644
--- a/src/internal.ml
+++ b/src/internal.ml
@@ -1,3 +1,8 @@
+(*
+ * A functor for 'internal' representation of Config_tree and Reference_tree.
+ * This is useful for avoiding re-parsing *_trees on cache and load.
+ *)
+
exception Read_error of string
exception Write_error of string