Am Di., 3. März 2020 um 05:46 Uhr schrieb Marc Feeley <xxxxxx@iro.umontreal.ca>:

> On Mar 2, 2020, at 6:53 PM, John Cowan <xxxxxx@ccil.org> wrote:
>
> 
> * Since SRFI 177's main goal is compatibility with existing Scheme
> keyword systems, it will use the syntax (call/kw foo 1 2 :d 3 :e 4).
>
> Good.  CL uses leading colons, they are lexically valid everywhere (as keywords or symbols), and I urge you to choose this format.
> 

Wasn’t the foo: syntax more common than the :foo syntax among Scheme implementations?

In my opinion, SRFI 88 makes very valid points why the syntax with a trailing colon makes much more sense and should be preferred.
Marc


Marc