[ww-bugs] Bug 3455: New: error in UCSB problem; unclosed group in LaTeX file

[bugzilla-daemon at webwork.maa.org]

http://bugs.webwork.maa.org/show_bug.cgi?id=3455

           Summary: error in UCSB problem; unclosed group in LaTeX file
           Product: Problem libraries
           Version: unspecified
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: major
          Priority: P5
         Component: Library (OPL)
        AssignedTo: jj at asu.edu
        ReportedBy: Dick.Lane at umontana.edu
        Web browser ---
           version:


Library/UCSB/Stewart5_3_7/Stewart5_3_7_2/Stewart5_3_7_2.pg
    attempt to generate hardcopy gets error message  "Missing $ inserted."

After looking at hardcopy.log which showed  \(f, f', f''\) and \(f'''\) being 
translated as
        \\(f, f', f''\ \)
                                                  , and \\(f'''\ \)
[I expected \\( but not f''\ \) with the extra space.]
I tried \( f, f', f'' \)  [i.e., space after \( and space before \)]
and \( f, {f'}, {f''} \)
and \( f, f^{\prime}, f^{\prime\prime} \)
with no change in error message.

I suspect subsequent log errors "Double subscript" (involving underscores in 
path to image file) are just a side-effect of the earlier insertion of $.


2nd bug --- in WeBWorK code:
The generated LaTeX file has an unclosed group for its boldface error message
    {\bf (Error: Unmatched [ in regex; marked by <-- HERE in m//a/b/c/d] 
\leavevmode\\\relax \leavevmode\\\relax  in '$PAR
so text of this and all subsequent problems is bolded.

I suspect this bug resides in the code to have hardcopy display all choices for 
each popup
(on the other hand, "<-- HERE" probably refers to a comment in generated HTML).

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