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-rw-r--r--development/ragel/README3
1 files changed, 3 insertions, 0 deletions
diff --git a/development/ragel/README b/development/ragel/README
index 1d899518a21fa..cdc9416a8d0d4 100644
--- a/development/ragel/README
+++ b/development/ragel/README
@@ -4,3 +4,6 @@ Ragel state machines can not only recognize byte sequences as regular
expression machines do, but can also execute code at arbitrary points
in the recognition of a regular language. Code embedding is done using
inline operators that do not disrupt the regular language syntax.
+
+NOTE: before building this it's recommended to remove any previous
+version you might have installed.