CVS log for loncom/homework/hint.pm

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- Bug 6994.
  Prevent TypeError from caparesponse_capa_check_answer() in capa.so if
  computer's answer is perl array of floating point numbers (>= perl 5.20)

Bug #2020: pre-processing of numerical, formula, and string response
Bug #5100: degrees Fahrenheit, etc

Functionplotresponse hints working

Adaptive hint conditions for reactionresponse and organicresponse.

Support for R CAS
- needs testing
- better error handling
- correct blacklist
- correct list of allowed libraries

Moved POD comments to bottom of file

Converted/added POD comments

Localization, wording, nobreaks for Colorful Editor
- Added missing &mt() calls at several places (more to be done)
- Same wording "Delete?" for all Delete options
- Same wording style, e.g. added ":" after text and before optionlist
- Added nobreak style for some elements which need to stay together, e.g. help_open_topic in loncommon.pm
- Added/updated some related German translations

- Bug 5793
Alternative solution.  Revert default_homework.lcpm to 1.138. No longer need to pass tag arg to caparesponse_check_list().
- Instead set $$args_ref{'type'} to 'ci' (the default) if type attrib is missing or null in the corresponding <stringhint> (hint.pm), or <stringresponse> (caparesponse.pm) tags.

- Bug 5531 (although should really be a separate bug).
RegExp used to separate units from numerical part of an answer can truncate responses to stringresponse items for which the type has not been explicitly set (as ci, cs, mc or re).

- Include the tagname of the response item in calls to caparesponse_check_list(), so that if the type attribute is unspecified, stringresponse submissions are not subjected to the unit extractor.

Perhaps there is a reason why this ambiguity has not been eliminated previously by passing the tagname to caparesponse_check_list() - run in the safe space?
Testing needed.

Past tense of "occur" is "occurred" (rr!)
Also added some missing &mt() calls and corrected some other little typos

- lonxml takes care of all insertions now, and thus the tags that were attempting to handle it themselves could cause double insertions so elimnate external insertion calls

- Make <formulahint> work with MAXIMA
- fix normal formulahint. Didn't have access to &capa_formula_fix

- backport 1.65/66

- <answergroup>/<answer>/<value>/<vector> all work insed of numerical/formula responses

- make numerical/string/formula hints work in the presence of the new answer stuructures (multiple answers and multiple dimensional answer not yet funtional)

<customhint>

<mathhint> functionality

- was double ending a <table>
- was not closing the final row in the table

- finish off the conversion to allowing style tags get_all_text across tags
- BUG#4428

- BUG#4295 condintional hints no longer appear

- ENV -> env

- BUG#3680, leaking info in showoncorrect="no"

-BUG#3575, you can make negative <stringhint> regexp conditions prepended the re with NOT
i.e. "NOT /right/"

- sigh BUG#3372

 -BUG# 3373 update description of showoncorrect

- part then response id

- adding <hintgroup> param showoncorrect, defaults to no, BUG#1028

- make hinttries work beter in CSTR

- Fixes Bug#2820 (internal vars were clashing with user vars)
- Cleans up the way data is put into safe space, less escaping, names scaping etc issues
- <stringhint> supports re mode now.

- BUG#32, mainly but alot of assocaited bugs
- caparesponse messages are now printed,
   It now reports what it thought the unit was, how many sig figs it read (and how many were expected)

- BUG# Lots, lets start with 186,32,220,870
- when checking unit,sigfig etctera, we want to tell the student what we think they enetered, need to get the error string out of the C code and into perl space.
- Still need to do something with the message but at lest we have it now
- <numericalhint> properl namespace it's vars now.

BUG#2758, $var in <responseparam> worked but didn't show that they worked in Answer mode

- hintties work in CSTR now.

- no hints don't show after the problem is correct

= BUG#1849, answers that are in arrays didn't work, now pass the answer in through a varglob into the safe space, and then through a parameter to the capa_check_answer function

- not that anyone uses the conditional hints, but now the stringhint is even more prettier when edited

-forgot to add in the type on formulahinst and numericalhint (BUG#1350)

- <radiobuttonhint> supports multiple foils/concepts in single hint condition

- better regexp (faster) for detecting non space

- hide blank hints

- retabinate

- logic was incorrect here, so sometimes endredirection was called when startredirection wasn't

 In the exam mode (on-line) hints not appear on the screen.

Adding links to help on units and format.

- Fixes most of BUG#1194, still need to work on editing

- get_all_text() really wants to see the entire stack of parsers now, that way style redefinitons of tags can do a get_all_text across styl def boundaries.

- Fixes BUG#991 (parameters were bleeding between responses)
- small formatting of answer mode change

- added more checks to make sure default homework is loaded in cases where people would care.
- Fixes BUG#957

- no idea what happened here

- BUG#34, <optionhint> now fucntional for both foils and concepts
- edit mode non intuitive

- working <radiobuttonhint>, edit mode is non-intuitive but functional

- addtion of more hint types string/formula

removed hints from printout

- recommiting matthew's changes backed out by Alex

the noble effort to "sub BEGIN {" --> "BEGIN {" continues

minor corrections for tex target

changing "sub BEGIN" to "BEGIN"

Update to use edit::end_row() and edit::start_spanning_row() as a cleanup
for edit::select_arg and edit::select_or_text_arg.

- GPL headers

- made <numericalhint> and <hintpart> fully insertable and editable.

- bug fix

- need to look for all paramaters
- need to look for the submission 1 level up

- added <numericalhint> to the new packages idea

- support for the new parameter structure
- <numericalhint> properly sets up the Apache::inputtags::response so unique parameters are possible for hinting
- <numericalhint> gets a unique id

-re asserting my indent style

beautifying/optimizing

- added new arg $tagstack to all start_ or end_ routines

- modfiying to use the cleaner get_param calls

- got the tests on whether to show hints wrong
- fixed some tags to return '';

- cleaned up, should be easier to follow

- <hintpart> works properly when default hint is to be shown

- <br> -> <br /> cleanup

- take care of meta target

- numerichints should work properly now

- need to look for /hinpart not /problem

- modified to show hints at the right time

- numericalhint and hintpart should work well now (needs testing though)

- most lectureonline tags work now, except for <hintpart> and <numericalresponse>

- adding the needed lectuure online tags
  not funtional currently but getting close