Changed NUM_CMP so that the calculated versions of the student's answer and the professor's remain in the answer hash to be displayed by displayMacros. There are now slight clues, when using num_str_cmp that the instructor's answer is a string. I'm not sure anyone can find them easily. Further refinements should be able to remove them in any case.
Simplified some of the scripts. Using forking there is no need to evaluate $main:: everytime, since it remains the same for both the parent (where the script is compiled) and in the child where the script is executed. There were other minor fixes to work around bugs in 5.6.0 which were fixed in 5.6.1
Modified num_cmp to use filters for string comparsions. Routed std_num_str_cmp through num_cmp routines.
Fixed problem in std_num_cmp arising from an earlier merge.
Corrected error in _PGanswermacros_init
Added _PGanswermacros_init subroutine
Fixed problem in dangerousMacros.pl defining i so that it can be used as a complex number. Fixed htmlLink so that it gives a friendly error message about broken links when fed an undefined url.
Added unix-style filters to NUM_CMP and re-routed all numerical answer evaluators to num_cmp. Combined numerical_compare_with_units and NUM_CMP.
another setup script test (changed #! lines)
nothing should change
modified use lib lines in cgi-scripts, scripts, courseScripts removed Global.pm updating and use lib line code from system_webwork_setup modified Global.pm to use webworkConfig (which is not in the repository!)
development version dev-1-7-01 from /ww/webwork/development 15-June-2001
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