Fixed referential constraints handling

.gitattributes

@@ -0,0 +1,17 @@
+# Set the default behavior, in case people don't have core.autocrlf set.
+* text=auto
+
+# Explicitly declare text files you want to always be normalized and converted
+# to native line endings on checkout.
+*.pas text
+*.inc text
+*.dfm text
+*.dpr text
+*.dpk text
+
+# Declare files that will always have CRLF line endings on checkout.
+#?.? text eol=crlf
+
+# Denote all files that are truly binary and should not be modified.
+*.res binary
+*.dcr binary