The documentation says that pfeformat applies to a ratio of integers but does not mention any equivalents for other situations.
pfeformat
In particular, because pfeformat affects the tex1 output, this means that the tex1 return for something like 2*7^x/log(7) is the potentially confusing (at least for students) {{2 7^{x}}over{log 7}}. Moreover, this leaves no way to factor out common symbolic constants like %pi.
tex1
2*7^x/log(7)
{{2 7^{x}}over{log 7}}
%pi
Is there any way to work around this?
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