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'about' now requires first

db4
Slava Pestov 2008-02-08 01:08:52 -06:00
parent f67ab9a689
commit 492e569b62
1 changed files with 6 additions and 5 deletions
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11
extra/help/help.factor
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@ -1,10 +1,10 @@
! Copyright (C) 2005, 2007 Slava Pestov.
! Copyright (C) 2005, 2008 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: arrays io kernel namespaces parser prettyprint sequences
words assocs definitions generic quotations effects
slots continuations tuples debugger combinators
vocabs help.stylesheet help.topics help.crossref help.markup
sorting classes ;
words assocs definitions generic quotations effects slots
continuations tuples debugger combinators vocabs help.stylesheet
help.topics help.crossref help.markup sorting classes
vocabs.loader ;
IN: help
GENERIC: word-help* ( word -- content )
@ -96,6 +96,7 @@ M: word set-article-parent swap "help-parent" set-word-prop ;
article-content print-content nl ;
: about ( vocab -- )
dup require
dup vocab [ ] [
"No such vocabulary: " swap append throw
] ?if