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- Bugfixes for copying over of items duringorg-drill merge-buffers
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various clever tricks such as 'synching' the item collections of two
people. At the beginning of a drill session, IDs are assigned automatically
to all drill items that do not possess them. This is slow if you have a large
collection, but it only happens once.
- New command 'org-drill-merge-buffers'. Called from buffer A, and given buffer
B, imports all the user-specific scheduling data from B into A, overwriting
any such information in A. Matching items are identified by their ID. Any
items in B that do not exist in A are copied to A. A scenario where this
could be useful:
* Tim decides to learn Swedish using an item collection (org file) made
publically available by Jane. (Before publishing it Jane used
'org-drill-strip-all-data' to remove her personal scheduling data from the
collection.) A few weeks later, Jane updates her collection, adding new
items and revising some old ones. Tim downloads the new collection and
imports his progress from his copy of the old collection, using
'org-drill-merge-buffers'. He can then discard his old copy. Any items HE
added to HIS copy of the old collection will not be lost -- they will be
appended to his copy of the new collection.
- Instead of overdue items being reviewed in a completely random order, they
are now ordered by the number of days overdue, so that the most overdue items
are seen first. When two items are the same number of days overdue, then the
order is random.
- slightly adjusted how 'random noise' is applied to intervals, to give wider
spread
- we now use the port of the Common Lisp random number generator, in cl.el,
instead of emacs' builtin RNG
- Random number generator is now reseeded using system time at the beginning of
each drill session.
- Hints inside clozed text areas are now invisible during drill sessions if the
clozed text is not itself being hidden, ie if your card contains
[Moscow|Russian city] you will only see [Moscow] in the answer.
- The '...' is now shown after the hint text rather than before it,
i.e. '[Russian city...]'. You can override this by actually including '...'
in the hint itself.
- The minibuffer prompt now displays the card 'type' for testing purposes, as a
single letter: N=new, Y=young, o=old, !=overdue, F=failed
- New card type: hide2cloze (hides exactly 2 randomly chosen areas of clozed
text)
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- 'conjugate': retrieves properties VERB_INFINITIVE and VERB_TRANSLATION
from parent item, and uses its own property VERB_TENSE to prompt the
student 'Translate the verb INFINITIVE and conjugate for the TENSE tense'
or 'Give the verb meaning TRANSLATION and conjugate for the TENSE tense'
- 'translate_number': using third party library spell-number.el,
prompt the student to translate a random number to or from a non-English
language (the library can handle numerous languages)
- examples of both in spanish.org
- org-drill-card-type-alist can now take a second function name, for
controlling how the ANSWER is displayed
- items can have weights (DRILL_CARD_WEIGHT). The interval is divided by
the weight when scheduling, so eg an item with a weight of 2.0 will be
tested twice as often as a normal item.
- New command: org-drill-tree. Same as org-drill using 'tree' argument.
- New command: org-drill-strip-data: deletes all scheduling data from
every item in scope. Intended for use if you wish to share your item
library with someone else.
- Fixed bug in simple8 algorithm where items failed on their first review
were not having intervals reset
- Ensure all markers are freed before starting a new drill session.
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still recognised as a synonym, for backwards compatibility)
- new card type 'show1cloze' -- like hide1cloze, but only reveals one
of the areas of clozed text in the item.
- when 'revealing' an item during a drill session, do not show contents
of any subheadings which are themselves tagged as drill items. This means
you can have drill items inside drill items, without giving their answers
away when you review the parent item.
- better ensure visibility state of the org buffer is restored after the
drill session.
- syntax highlighting of [clozed text] now works if other faces are applied
inside the clozed text area, eg [the *largest* city]
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during the course of that session, we now avoid showing the same item
straight after itself (unless it is the only item left).
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some items have been moved or deleted. We now check for this and discard
offending markers, rather than failing outright.
- Final report now shows number of items that will become due tomorrow.
- Fixed a rounding bug which affected deciding whether items are 'overdue'.
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Use 'M-x org-drill-resume'.
- Finessed the prioritisation of items during drill sessions.
- We now present failed and OVERDUE items first. Overdue status is defined in days and
has some leeway, defined by a new variable 'org-drill-overdue-interval-factor'.
- Next we present YOUNG items (learned or relearned recently, so have short intervals).
The definition of 'young' is via the variable 'org-drill-days-before-old'.
- Finally we present a random mix of OLD items and NEW items.
- Final report gives info about counts of pending overdue, young, and old items.
- Timer shows '++:++' if > 1 hour passes while reviewing an item.
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- Item drill data is stored in a clearer format, each value has its own property, the old 'org-learn'
LEARN_DATA property has been dropped. Items that contain LEARN_DATA are silently rolled over to
the new format.
- For SM5, matrix of optimal factors is now correctly *global* rather than per-item, and is saved
between drill sessions as an emacs customization variable.
- We store interval data as floating point numbers rather than rounding to the nearest integer.
- New experimental algorithm: 'simple8', based on SuperMemo SM8.
- New options:
- org-drill-forgetting-index: define the percentage of items that it is "acceptable" to fail.
A warning message is shown after the drill session if more items than this were failed.
- org-drill-learn-fraction: governs how fast time intervals increase with each successful
repetition of an item.
- org-drill-adjust-intervals-for-early-and-late-repetitions-p: if true, alter next scheduled date
if an item is reviewed earlier or later than it was supposed to be.
- Almost all variables have been declared safe for file-local reassignment.
- We now ignore org-learn-always-reschedule, regarding it as always true.
- Post-session report now shows a count of dormant items (those not yet due for review).
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be made
invisible while each item is being tested.
- OF matrix entries are rounded to 3 decimal places.
- Item E-factors are not modified if the item is "failed" (in accordance with Dr Wozniak's description of
the SM5 algorithm).
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- Fix bug where if a subheading was more than 1 level deeper than the tested item, and had no parent
heading other than the item's heading, it would not be hidden during testing.
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other files correctly.
(Previously the only items which worked correctly were those in the buffer/file where org-drill was invoked.)
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now possible to navigate
within the topic using the cursor, PgUp/PgDn and mouse scroll wheel. This is sometimes necessary for
topics which do not fit entirely on one screen.
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drill session.
Thanks to Milan Zamazal (pdm@zamazal.org) for this fix.
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* Multicloze card example added in 'spanish.org'.
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drill session, except
that ALL items are considered "due for review" unless they have been reviewed within the last
few hours (the number of hours is configurable by setting 'org-drill-cram-hours'). This
mode is intended for quickly revising a collection of drill items before a test.
* New card type: multicloze. Behaves the same as "simple" cards, but when there is more than one
portion marked as cloze text, only ONE of the marked portions will be hidden during review
(chosen at random) -- the rest will all be visible. This means that a sentence containing
several facts can be easily turned into a drill item by marking each fact.
* During review, the count of "done" items is displayed.
* After rating your recall of an item, the number of days until its next review is briefly shown
in the minibuffer.
* In org buffers, the "hint" portion of cloze text now has its own face.
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Fixed bug that caused sessions to end with "ran out of drill items" error.
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custom colours
during review and in the final report.
A timer (MM:SS) is displayed as part of the review prompt.
Order-of-magnitude speed boost when scanning entries to prepare a drill session.
Recycle markers at the end of each drill session.
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Allow tag-editing when reviewing items.
Any linked image files are displayed inline during review.
Don't hide org links [[...][...]] when hiding cloze text, azs they may contain inline images which we want to keep visible.
Close property drawers during review.
Provide visual feedback (progress bar in minibuffer) when scanning items in preparation for a drill session.
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Add option 'org-drill-spaced-repetition-algorithm': choose either SM2 or SM5 algorithm.
Add option 'org-drill-add-random-noise-to-intervals-p': randomly vary repetition intervals slightly, to avoid clumping.
Fixed a bug in org-learn's SM5 algorithm (intervals much too long).
Use overlays to display cloze deletions as '[...]' during reviews.
Cloze text can contain hints, which will visible during review.
Add option 'org-drill-failure-quality': customise which quality is regarded as unambiguous failure (1 or 2).
Expanded documentation, and added section on 'incremental reading', with example setup.
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Items which are failed during session are presented again before the session ends.
Items which were failures at the last review session are presented first in the next session.
Added recognition of leech items, based on excessive number of failures.
Leeches can be skipped or warned about.
When reviewing an item, the prompt shows the number of items remaining.
When the session finishes, the minibuffer shows a brief report givisng statistics about total time spent reviewing, number of cards that
still need review, etc.
Fixed the regexp for cloze-deleted text.
Optional face for cloze text in org mode buffers.
New card type: twosided.
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