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1 files changed, 4 insertions, 1 deletions
diff --git a/doc/gawk.texi b/doc/gawk.texi
index 82c06b52..b472316b 100644
--- a/doc/gawk.texi
+++ b/doc/gawk.texi
@@ -4842,7 +4842,10 @@ blocksize, which is usually the filesystem's I/O blocksize.)
If this variable exists with a value of @samp{gst}, @command{gawk}
switches to using the hash function from GNU Smalltalk for
managing arrays.
-This function may be marginally faster than the standard function.
+With a value of @samp{fnv1a}, @command{gawk} uses the
+@uref{http://www.isthe.com/chongo/tech/comp/fnv/index.html,
+FNV1-A hash function}.
+These functions may be marginally faster than the standard function.
@item AWKREADFUNC
If this variable exists, @command{gawk} switches to reading source