Editorial: _ff_ is not defined in the alternative version of #step-number-proto-toexponential-intermediate-values (#3694)

Author: igrep

spec.html

@@ -32246,7 +32246,7 @@ <h1>Number.prototype.toExponential ( _fractionDigits_ )</h1>
         <emu-note>
           <p>For implementations that provide more accurate conversions than required by the rules above, it is recommended that the following alternative version of step <emu-xref href="#step-number-proto-toexponential-intermediate-values"></emu-xref> be used as a guideline:</p>
           <emu-alg replaces-step="step-number-proto-toexponential-intermediate-values">
-            1. Let _e_, _n_, and _f_ be integers such that _f_ ≥ 0, 10<sup>_f_</sup> ≤ _n_ &lt; 10<sup>_f_ + 1</sup>, 𝔽(_n_ × 10<sup>_e_ - _f_</sup>) is 𝔽(_x_), and _f_ is as small as possible. If there are multiple possibilities for _n_, choose the value of _n_ for which 𝔽(_n_ × 10<sup>_e_ - _f_</sup>) is closest in value to 𝔽(_x_). If there are two such possible values of _n_, choose the one that is even.
+            1. Let _e_, _n_, and _ff_ be integers such that _ff_ ≥ 0, 10<sup>_ff_</sup> ≤ _n_ &lt; 10<sup>_ff_ + 1</sup>, 𝔽(_n_ × 10<sup>_e_ - _ff_</sup>) is 𝔽(_x_), and _ff_ is as small as possible. If there are multiple possibilities for _n_, choose the value of _n_ for which 𝔽(_n_ × 10<sup>_e_ - _ff_</sup>) is closest in value to 𝔽(_x_). If there are two such possible values of _n_, choose the one that is even.
           </emu-alg>
         </emu-note>
       </emu-clause>