Hi all:
Several times already I tried to write about a function which is "defined" or "undefined" using Latex, but I get <EM>[
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Hi all:
Several times already I tried to write about a function which is "defined" or "undefined" using Latex, but I get <EM>[
It sounds to me like you might be typing a LaTex formula within italic-formatted font in WYSIWYG (<EM> is the WYSIWYG formatting tag for italic font). Try and avoid typing LaTeX (especially long LaTeX formulas) in WYSIWYG and see what happens.
I don’t use WYSIWYG myself as I can always preview what I type before I post.