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15h
comment This Question environment with XeLaTeX
@DavidCarlisle Office is also available for Mac :)
23h
reviewed Approve suggested edit on xelatex-biber in Sublime Text 3
23h
comment Color each letter in document
@AstronAUT In case this answers your question don't forget to accept it (clicking on the green tick), and upvoting (in case you think the answer deserves it).
23h
comment Color each letter in document
This looks like a job for LuaTeX. BTW, the problem comes from replacing c, which also replaces \textcolor{color1} to \textcolor{\textcolor{color3}{c}olor}. If you define \cs_new_protected_nopar:Npn \__color_three:n { \textcolor{color3} } then it would probably work with the regex replace \c{__color_three:n}\cB\{\1\cE\}.
1d
reviewed Edit suggested edit on Using \newcommand to display user input that may contain special characters that need to be escaped
1d
revised Using \newcommand to display user input that may contain special characters that need to be escaped
Fixed a minor typo
1d
comment Using \newcommand to display user input that may contain special characters that need to be escaped
@peaceoutside If you can't type ô, â, ê in your computer, \^{o}, \^{a}, \^{e} is very handy.
1d
reviewed Approve suggested edit on xmltex more attributes in element
1d
comment How can I write a cursive letter k in math?
\ell is not cursive. It has a loop to help diferentiate over other letters or symbols in math that may cause confusion. What you need is look for a font (probably script font) that has lowercase letters.
1d
comment Why does not `\spaceskip` work inside a TikZ node?
Mmm… still it would be nice to know why is that necessary.
1d
comment Upright Lowercase $\pi$ as Default
And remember that being usable only in math mode is a feature. What is math should be math, and what is text should be text.
1d
comment Upright Lowercase $\pi$ as Default
Yes, this does redefine \pi. I added the version with \pi and π so you can see that you still have italic pi available, in case you don't use it as the constant.
1d
comment How to avoid line break with \[ \] syntax
If you decide to use \(..\) you better load fixltx2e package.
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answered Upright Lowercase $\pi$ as Default
1d
reviewed Reject suggested edit on pgfplots - highlighting/filling an area in a data file
1d
reviewed Approve suggested edit on Making the index list in clean thesis
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comment Upright Lowercase $\pi$ as Default
@airatin My definition is not necessarily right, it was just a suggestion. But yours is wrong because of that: \text{$..$} has no sense, and you are using it outside math!
2d
comment Upright Lowercase $\pi$ as Default
@airatin That's probably because unicode-math sets the math \AtBeginDocument? Then \AtBeginDocument{\renewcommand*\pi{..}} would put your command after that. In any case, your definition is wrong.
2d
comment Upright Lowercase $\pi$ as Default
I think it's still not clear enough. You are not telling us the whole story. Why would it revert to italic? In any case, using \renewcommand\pi{\text{$\mathup{π}$}} seems quite bad. If it's text mode, it should be text mode (just input π), and if it's math mode, then \renewcommand*\pi{\mathrm{π}} should work after putting that redefinition in the correct place (i.e., not inside a group).
2d
comment Right justify number with filler periods
I don't know why would you want it to start indented and end at the end of the line, in any case, if you use addmargin environment (available from scrartcl or other KOMA-Script classes or packages) you can adjust what you want. In any case, you are probably looking more for a list with items with that style. I would write a complete question asking with much more detail, you will probably have much better answers.