Robert Irelan <rire...@gmail.com> writes: > Patch to fix attached.
I can confirm that this patch is required to make `org-drill' work for me in Org 9.2 Regards, Stig > From a3af9004fbc5a8a86ba8f990d393403ec671f9bf Mon Sep 17 00:00:00 2001 > From: Robert Irelan <rmire...@google.com> > Date: Wed, 23 Jan 2019 11:11:14 -0800 > Subject: [PATCH] org-drill: Fix tag match in org-map-drill-entries > > * contrib/lisp/org-drill.el: Change MATCH argument to ORG-MAP-ENTRIES > from "" to nil. > > Without this, org-tags-expand will throw an error on the empty string. > --- > contrib/lisp/org-drill.el | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/contrib/lisp/org-drill.el b/contrib/lisp/org-drill.el > index c7f509bff..895003395 100644 > --- a/contrib/lisp/org-drill.el > +++ b/contrib/lisp/org-drill.el > @@ -1483,10 +1483,10 @@ the current topic." > (when (and (not (org-invisible-p)) > (> (org-current-level) drill-entry-level)) > (when (or (/= (org-current-level) (1+ drill-entry-level)) > - (funcall test)) > + (funcall test)) > (hide-subtree)) > (push (point) drill-sections))) > - "" 'tree)) > + nil 'tree)) > (reverse drill-sections)))