manual.texi NUMERIC(M,D) arguments are optional.

manual.texi	DEC is also a synonym for DECIMAL.

Docs/manual.texi

@@ -28495,7 +28495,7 @@ In MySQL Version 3.23, this is a true floating-point value.  In
 earlier MySQL versions, @code{FLOAT(precision)} always has 2 decimals.
 
 Note that using @code{FLOAT} may give you some unexpected problems as
-all calculation in MySQL is done with double precision.
+all calculations in MySQL are done with double precision.
 @xref{No matching rows}.
 
 @cindex ODBC compatibility
@@ -28510,8 +28510,8 @@ A small (single-precision) floating-point number. Cannot be unsigned.
 Allowable values are @code{@w{-3.402823466E+38}} to
 @code{@w{-1.175494351E-38}}, @code{0}, and @code{@w{1.175494351E-38}} to
 @code{3.402823466E+38}.  The @code{M} is the display width and @code{D} is the
-number of decimals.  @code{FLOAT} without an argument or with an argument of
-<= 24 stands for a single-precision floating-point number.
+number of decimals.  @code{FLOAT} without arguments or @code{FLOAT(X)} where
+@code{X} <= 24 stands for a single-precision floating-point number.
 
 @tindex DOUBLE
 @tindex FLOAT(precision)
@@ -28522,7 +28522,7 @@ unsigned. Allowable values are @code{@w{-1.7976931348623157E+308}} to
 @code{@w{-2.2250738585072014E-308}}, @code{0}, and
 @code{2.2250738585072014E-308} to @code{1.7976931348623157E+308}.  The
 @code{M} is the display width and @code{D} is the number of decimals.
-@code{DOUBLE} without an argument or @code{FLOAT(X)} where 25 <= @code{X}
+@code{DOUBLE} without arguments or @code{FLOAT(X)} where 25 <= @code{X}
 <= 53 stands for a double-precision floating-point number.
 
 @tindex DOUBLE PRECISION
@@ -28551,10 +28551,12 @@ default is 10.
 Prior to MySQL Version 3.23, the @code{M} argument must include the space
 needed for the sign and the decimal point.
 
+@tindex DEC
 @tindex NUMERIC
-@item NUMERIC(M,D) [ZEROFILL]
+@item DEC[(M[,D])] [ZEROFILL]
+@itemx NUMERIC[(M[,D])] [ZEROFILL]
 
-This is a synonym for @code{DECIMAL}.
+These are synonym for @code{DECIMAL}.
 
 @tindex DATE
 @item DATE