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Annotation of loncom/html/adm/help/tex/Authoring_Scripting_Tags.tex, revision 1.2

1.1       bowersj2    1: \label{Authoring_Scripting_Tags}
                      2: 
                      3: \begin{itemize}
1.2     ! www         4: \item \textbf{display}\index{display}: The intervening Perl script is evaluated
1.1       bowersj2    5: in the safe space and the return value of the script replaces the
                      6: entire tag.
                      7: \item \textbf{import}\index{import}: Causes the parse to read in the file
                      8: named in the body of the tag and parse it as if the entire text of
                      9: the file had existed at location of the tag.
                     10: \item \textbf{parserlib}\index{parserlib}: the enclosed filename contains
                     11: definitions for new tags.
                     12: \item \textbf{script}\index{script}: If the attribute \textbf{type} is
1.2     ! www        13: set to {}``loncapa/perl'' the enclosed data is a Perl script which
        !            14: is evaluated inside the Perl Safe space. The return value of the script
1.1       bowersj2   15: is ignored. 
                     16: \item \textbf{scriptlib}\index{scriptlib}: The enclosed filename contains
1.2     ! www        17: Perl code to run in the safe space.
1.1       bowersj2   18: \item \textbf{block}\index{block}: Has a required argument \textbf{condition}
                     19: that is evaluated. If the condition is true everything inside the
                     20: tag is evaluated, otherwise everything inside the block tag is skipped.
                     21: \item \textbf{notsolved}\index{notsolved}: Everything inside the tag is
                     22: skipped if the problem is {}``solved''.
                     23: \item \textbf{postanswerdate}\index{postanswerdate}: Everything inside
                     24: the tag is skipped if the problem is before the answer date.
                     25: \item \textbf{preduedate}\index{preduedate}: Everything inside the tag
                     26: is skipped if the problem is after the due date 
                     27: \item \textbf{randomlist}\index{randomlist}: The enclosed tags are parsed
                     28: in a stable random order. The optional attribute \textbf{show} restricts
                     29: the number of tags inside that are actually parsed to no more than
                     30: \textbf{show}.
                     31: \item \textbf{solved}\index{solved}: Everything inside the tag is skipped
                     32: if the problem is {}``not solved''.
                     33: \item \textbf{while}\index{while}: Implements a while loop. The required
1.2     ! www        34: attribute \textbf{condition} is a Perl scriptlet that when evaluated
1.1       bowersj2   35: results in a true or false value. On true the entirety of the text
                     36: between the whiles is parsed. The condition is tested again, etc.
                     37: If false it goes to the next tag.
                     38: \end{itemize}