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authorBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:31 -0800
committerBryan Newbold <bnewbold@robocracy.org>2017-02-20 00:05:31 -0800
commit5145dd3aa0c02c9fc496d1432fc4410674206e1d (patch)
tree540afc30c51da085f5bd8ec3f4c89f6496e7900d /FAQ
parent8466d8cfa486fb30d1755c4261b781135083787b (diff)
downloadslib-upstream/3a2.tar.gz
slib-upstream/3a2.zip
Import Upstream version 3a2upstream/3a2
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@@ -1,4 +1,4 @@
-FAQ (Frequently Asked Questions and answers) for SLIB Scheme Library (slib3a1).
+FAQ (Frequently Asked Questions and answers) for SLIB Scheme Library (slib3a2).
Written by Aubrey Jaffer (http://swissnet.ai.mit.edu/~jaffer).
INTRODUCTION AND GENERAL INFORMATION
@@ -46,7 +46,7 @@ Several times a year.
[] What is the latest version?
-The version as of this writing is slib3a1. The latest documentation
+The version as of this writing is slib3a2. The latest documentation
is available online at:
http://swissnet.ai.mit.edu/~jaffer/SLIB.html
@@ -130,17 +130,6 @@ I find that I only type require statements at top level when
debugging. I put require statements in my Scheme files so that the
appropriate modules are loaded automatically.
-[] What happened to FORMAT?
-
-In order for FORMAT to call itself for FORMAT error messages, the
-original author made its code non-reentrant. For that reason and the
-reasons below, FORMAT was removed; I saw little evidence of anyone
-using it.
-
-If someone fixes FORMAT, I will put it back into SLIB. The last
-versions of FORMAT are in "format.scm", "formatst.scm", and
-"fmtdoc.txi" in http://swissnet.ai.mit.edu/ftpdir/scm/OLD/slib2d5.zip
-
[] Why does SLIB have PRINTF when it already has the more
powerful (CommonLisp) FORMAT?
@@ -162,19 +151,12 @@ again, printf gets it right:
(printf "%.20s\n" "the quick brown fox jumped over the lazy dog")
==> the quick brown fox
-FORMAT also lacks directives for formatting date and time. printf
-does not handle these directly, but a related function strftime does.
-
[] Why doesn't SLIB:ERROR call FORMAT?
Format does not provide a method to truncate fields. When an error
message contains non-terminating or large expressions, the essential
information of the message may be lost in the ensuing deluge.
-FORMAT as currently written in SLIB is not reentrant. Until this is
-fixed, exception handlers and errors which might occur while using
-FORMAT cannot use it.
-
MACROS
[] Why are there so many macro implementations in SLIB?