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Commits on Jun 18, 2012
  1. In open-problem, consolidate replies from old sessions

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    and use logged values for matches to student definitions.
    This greatly speeds up open-problem and removes
    issues with timeouts and truncated server replies on open-problem.
Commits on May 31, 2012
  1. Find student state and use calculated optimal

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     policy to choose hinting policy.  Log each time choice
     is made.
Commits on Mar 10, 2012
  1. Delay evaluation of (function ...) objects in hint

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    sequences until last possible moment.  This takes care
    of some stale hint sequences.  Also add some error tests.
  2. Change macro loading so that it works for

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    compiled files and reloading.
Commits on Mar 9, 2012
  1. Update web-server, new version of hunchentoot. Separate

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    out log-warn and log-error.  Change packaging to asdf2.
    Change andes-path
Commits on Mar 2, 2012
Commits on Feb 23, 2012
  1. Combine code for responding to text box, Bug 1951.

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    Add handler for bad language.
Commits on Feb 15, 2012
  1. Add test for optionality, dropping optional steps from grading.

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    This was used in old Andes grading code.
Commits on Feb 10, 2012
  1. Fix grading for done button. Remove duplicates from

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    graded-eqns list.
Commits on Jan 27, 2012
  1. Use session-local random number for choosing random-help strategy.

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    Fix bad assoc match which was causing MySQL-related errors.
Commits on Jan 22, 2012
  1. Working on random help experiment.

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    Have code for spontaneous hints and backwards
    hints.  Not working yet.
  2. Changes to hinting in preparation for experiment:

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      make-hint-seq adds ophint to any given assoc,
      break out incorrect hint into separate function
      make-incorrect-reply; this should be called instead
      of make-red-turn.
      Add bottom-out markers to appropriate error-remediation
      hints.  (This should be tested on log files.)
Commits on Jan 3, 2012
  1. KB/errors.cl references lots of stuff defined at

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    Help time.  Add file to include common declarations.
Commits on Dec 27, 2011
  1. Rearrange hint sequences to use common function make-tutor-response.

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    Add log entry for all red turns describing error.  Bug #1935
Commits on Dec 16, 2011
  1. Remove unused stat-turn stat-result and statistics.

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    Put in test and comments for Bug #1936.
    Remove unused end-dialog and score-turn from turn-type.
    Merge turn-types nil and dialog-turn.
    Remove unused CMDResult-Commands.
Commits on Dec 1, 2011
  1. work in progress on grading done button

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    and getting associated hints working again.
    Testing, mostly works.
  2. Remove special code for answer boxes in fades since

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    answer boxes are now system entries. Set SystemEntry-entered
    for answer boxes.
Commits on Nov 17, 2011
  1. Remove old grading code. Not tested yet, but

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    it compiles without complaint.
Commits on Nov 16, 2011
  1. At point of rerunning old sessions to show

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    help system and old scoring unchanged.
Commits on Nov 15, 2011
Commits on Nov 12, 2011
  1. Work in progress on grading.

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    Have single multiple choice working.
    Add dummy values for weights and possibilities.
    Have step associated with current bottom-out hint.
    Answer now sent back to client, but new scoring very buggy.
    May have also broken some NSH.
Commits on Nov 11, 2011
  1. Work on variables to save current entry being hinted on.

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      *nsh-last-Node* and *whats-wrong-help-last-entry*
    Clean up cruft in NSH.
    
    Need to test NSH axis drawing hint for rotated axes.
    Entry for wwh hint sequence for given equations do not work.
    Need to associate answer box systementry with prompt-done hint.
Commits on Nov 8, 2011
Commits on Nov 4, 2011
  1. Move sgsol and *sg-solutions* to HelpStructs. Remove unused functions,

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    parameters, and variables.  See Bug #1928.
    Note: Config.cl uses function set-runtime-test-weights.
Commits on Jun 2, 2011
  1. Add manual paragraph and hints to draw z-axis vectors.

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    Fix error handler for bad hint objects.  Remove obsolete
    unknonwn-z-axis-vector error handler.
Commits on Mar 26, 2011
  1. Fix overlapping database locks and

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    make userName not null in STUDENT_STATE,
    otherwise unique key doesn't work right.
    Fix bug in database creation script.
Commits on Mar 24, 2011
Commits on Mar 3, 2011
  1. Change location of string to lisp expression conversion in help.

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    Add tagged logging of warnings and errors.
Commits on Oct 4, 2010
Commits on Sep 20, 2010
Commits on Aug 4, 2010
  1. Handle inheritance when matching student definition, Fixes Bug #1786

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    Plus random typo/format fixes.
Commits on Apr 28, 2010
  1. Server-side for buttons, Bug #1551

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    Working for vec9 and fbd8 test cases.
Commits on Mar 27, 2010
  1. Use more standard notation for constants.

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    This reduces compiler warning messages.
Commits on Mar 19, 2010
Commits on Mar 16, 2010
  1. Clean up data structures used for path, eliminating

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    two forms for (do ...).   Express operator variables in
     in csdo-varvals as a binding list.  Remove variables local to
    (setof ...) (map ...) and (not ...) from list of operator variables.
    Clean up use of cssg and csop.
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