CoCalc -- maxima

Process Maxima output using Markdown.
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# Markdown mode for Maxima
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def maxima_md(s):
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    import re
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    #print s
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    # insert calls to tex around expressions separated by $ or ; or as a single expression per line
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    s=re.compile(r'((?:(?![\n\$;]).)+)([\$;\n]?)',re.M+re.S).sub(r'tex(\1,false)\2',s,count=0)
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    #print s
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    t = maxima.eval(s,split_lines=true, reformat=false)
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    # cleanup generated LaTeX for MathJax
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    t=re.compile(r'\$\$').sub('\n$$\n',t,count=0)
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    t=re.compile(r'\\\\').sub(r'\\',t,count=0)
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    t=re.compile(r'\\cos').sub(r'\\mathrm{cos}',t,count=0)
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    t=re.compile(r'\\sin').sub(r'\\mathrm{sin}',t,count=0)
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    t=re.compile(r'\\_').sub(r'_',t,count=0)
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    t=re.compile(r'\\begin{verbatim}').sub(r'$$',t,count=0)
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    t=re.compile(r'\\end{verbatim}').sub(r'$$',t,count=0)
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    # strip non-escaped string quotes
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    t=re.compile(r'[^\\]"([^"]*?)').sub(r'\1',t,count=0)
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    # remove escape chars before quotes
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    t=re.compile(r'\\"').sub('"',t,count=0)
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    # Maybe this just text output? Indent as a preformatted code block
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    t=re.compile(r'\n\s*([^\$].*)').sub(r'    \1',t,count=0)
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    # hide input and output numbers (Sage makes it impossible to use them anyway.)
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    t=re.compile(r'\(\%o[0-9]+\)').sub(r'',t)
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    t=re.compile(r'\(\%i[0-9]+\) ').sub(r'',t)
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    #print "'",t,"'"
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    md(t, hide=False)
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