Ah, now I see.   I just skimmed and see multi-generator example is added and just assumed that other changes are also there except the entry line.
Yes I want those changes are added, too.  Filing PR....

On Sun, Oct 29, 2017 at 11:37 AM, Arthur A. Gleckler <xxxxxx@speechcode.com> wrote:
On Sun, Oct 29, 2017 at 12:03 AM, Shiro Kawai <xxxxxx@gmail.com> wrote:
>
> PR filed https://github.com/scheme-requests-for-implementation/srfi-158/pull/3

Did you want to include any of the other changes below gmap from pull request 1?:

+<dd><p>When only one generator is given,
+returns a generator that yields the items from the given
generator after invoking <i>proc</i> on them. generator after invoking <i>proc</i> on them.
</p> </p>
+<p>When more than one generator is given, each item of the resulting
+generator is a result of applying <i>proc</i> on the items from
+each generators. If any of input generator is exhausted, the resulting
+generator is also exhausted.
+</p>