Re: doc srfi-0 cond-expand

[Marius Vollmer]

Kevin Ryde <address@hidden> writes:

> Some new words below for cond-expand,

Nice.  We might also want to add some more words on how cond-expand is
implemented, including docs for cond-expand-provide.

Very briefly: cond-expand-provide adds a feature symbol to a given
module and cond-expand looks at each 'used' module whether one of them
has the requested feature.

Thus, cond-expand can behave differently in different modules and the
list of provided SRFIs is not a global property.

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