[PATCH] kconfig language doc r.e. ---help---

From:  Stewart Smith <stewart@linux.org.au>

Document "---help---" tag in Kconfig

(Acked by Roman Zippel <zippel@linux-m68k.org>)

Documentation/kbuild/kconfig-language.txt

@@ -105,10 +105,13 @@ applicable everywhere (see syntax).
   or equal to the first symbol and smaller than or equal to the second
   symbol.
 
-- help text: "help"
+- help text: "help" or "---help---"
   This defines a help text. The end of the help text is determined by
   the indentation level, this means it ends at the first line which has
   a smaller indentation than the first line of the help text.
+  "---help---" and "help" do not differ in behaviour, "---help---" is
+  used to help visually seperate configuration logic from help within
+  the file as an aid to developers.
 
 
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