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several additions and revisions to prepare for new example 'sokoban'

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pls.153 2022-03-30 00:11:45 +02:00
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commit a5b827bc96
9 changed files with 144 additions and 51 deletions
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doc/help.htm
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@ -188,6 +188,15 @@
(qlog "x ~A y ~A" x y)
<b>qnull (qt-object)</b>
Only useful if used with UNLESS, in order to check for a valid pointer.
Returns T if the argument is not of type QT-OBJECT.
(unless (qnull ui:*item*)
...)
<b>qobject-name (qt-object)</b>
Returns the QObject::objectName() of passed QT-OBJECT.