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bug#28254: 26.0.50; SRFI-2 and-let*

From: Michael Heerdegen
Subject: bug#28254: 26.0.50; SRFI-2 and-let*
Date: Tue, 12 Sep 2017 14:39:59 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.50 (gnu/linux)

Mark Oteiza <address@hidden> writes:

> Any comments?

Some notes on the documentation of `if-let*' after your patch:

|   "Bind variables according to VARLIST and eval THEN or ELSE.
| Each binding is evaluated in turn with `let*',

Maybe comparing with `let*' is confusing after the change, because not
all bindings must look like (SYMBOL EXPRESSION) any more.  I think when
we just remove the two words "with `let*'", the documentation is still

| and evaluation stops if a binding value is nil.  If all are non-nil,
| the value of THEN is returned, or the last form in ELSE is returned.

Not really related to your change, but: Maybe we should additionally say
that THEN can refer to the bindings made in the VARLIST, but ELSE to
none, not even to those that resulted in non-nil values before

| Each element of VARLIST is a symbol (which is bound to nil) [...]

Did we agree that we drop this useless case?



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