I'm a bit lost on what I can use the TeX input mode for. What I'd like to achieve is a mathematical notation like ∑ᵢ₌₁ᴺ ∑ⱼ₌₁ᴹ in pure UTF text and it seems to mostly work, i.e. \sum _ i _ = _ 1 works, but \sum_t gives ∑ₜ which I guess means that the symbol _t is not supported by the current (what exactly?). When I try M-x describe-input-method Ret TeX I also see that _t is not supported. So, is this a limitation with a particular font, UTF itself, my computer or moon phase? And is there a solution? I tried both on my computer, with Mac OS X and a remote server, both seem to miss similar subscript letters.
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\sum_tthat you've pasted here seems to include a subscript t (which is what I'd expect the output to look like). How does it look like in Emacs? Also, how doesdescribe-input-methodtell you that_tis not supported? – aplaice Mar 3 '18 at 16:40describe-input-methodshows the same, that _t corresponds to a box with strange numbers inside. However, _i and _j are treated as proper underscores. – kakk11 Mar 3 '18 at 16:48M-x customize-face RET default RET. I don't know what fonts are available on your computer, so I can't make any real recommendations. – aplaice Mar 3 '18 at 17:29subscript t. I've tried several fonts in Emacs now without luck and considering my browser has the similar problem, then I guess the problem is not Emacs related but something with system fonts instead. I do not seem to haveDejaVu Sans Monoon my mac. – kakk11 Mar 3 '18 at 19:29