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This commit implements the .tex-based online help system in LON-CAPA. It may be necessary to manually run loncom/build/help_graphics_converter.pl and doc/help/rebuildLabelHash.pl after a cvs update, and loncapa_apache.conf may need to be manually copied to /etc. (The loncapafiles.lpml has been updated.) After merging this, the URL http://[loncapahost]/adm/help/Foils.hlp should display a help file. Also, some *very* out-of-date files have been removed from the /doc directory.
Each Option Response problem can have three parts: \begin{enumerate} \item The Concept Groups\index{Concept Groups} \item The options for the students to select, by default {}``True'' and {}``False'' \item The hint for the student \end{enumerate} Each \textbf{Concept Group} has some number of foils representing questions which are conceptually related. Option Response Problem Templates are available for 4 and 8 Concept Groups. When the Option Response problem is presented to a student, the LON-CAPA system will randomly select one foil from each Concept Group and present it to the student. In order to receive credit for the problem, the student must select the corresponding option from the drop-down box for each given foil.