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Finally I found out what my profile is good for: I can abuse it as a clipboard!

@: Welcome to tex.sx! A tip: you can use backticks `\`` to mark your inline code as I did in my edit.

@: Welcome to tex.sx! A tip: If you indent lines by 4 spaces, then they're marked as a code sample. You can also highlight the code and click the "code" button (with "101010" on it).

@: Welcome to tex.sx! Note that you don't have to (and shouldn't) sign with your name since it automatically appears in the lower right corner of your post.

@: I tidied up your question a bit, hope that's OK.

I think your question is answered [here](). (Possible duplicate?)

@: Can you please add a [minimal example](http://meta.tex.stackexchange.com/q/228/1235) that illustrates your problem?


May
20
comment Using commas in mathematical formulas
You're right, this is quite close. And I can't explain why I can accept it rather with = than with \in.
May
20
answered How to adjust the blank space between the top of the left curly brace and the contents?
May
20
comment How to adjust the blank space between the top of the left curly brace and the contents?
I'm OK with scaling characters as a last resort, but I think you're doing it too generously. (This is understandable as you're the author of scalerel, but still ... :-))
May
20
comment Using commas in mathematical formulas
My point is the \in, which I wouldn't use like this. It would be OK with a textual "in".
May
19
comment Using commas in mathematical formulas
Can you tell where in the TeXbook Knuth says this? The closest I could find is the recommendation to write for $x = a$, $b$, or~$c$ and not for $x = a, b$, or $c$. I'd not recommend writing $a$, $b$, \dots, $z \in S$!
May
19
comment Using commas in mathematical formulas
$0<a$, $b<1$ and $0<a,b<1$ usually mean two different things! Do you mean two separate conditions or one and the same condition for a and b?
May
18
comment Why is there a \, space at the beginning of the “aligned” environment?
Thanks a lot for the update! I guess this is the best answer I can hope for without asking Michael Spivak. Thanks in particular for answering the question I hadn't asked: what the \null is doing there. One thing I find very curious: for \matrix and \smallmatrix there's indeed a \, at the end, as the cited text ("around the \vcenter") suggests, but for \aligned it's not there (which Frank discusses at some length in his nice answer).
May
18
accepted Why is there a \, space at the beginning of the “aligned” environment?
May
17
awarded  Necromancer
May
17
comment Why is there a \, space at the beginning of the “aligned” environment?
I'm curious, did you find something in your dig that looks like an explanation?
May
17
comment Problem with beamer's \pause in alignments
Sorry to ask, but did you test your answer? I get the same problem with eqnarray. Moreover, note that I don't use align at all, only cases.
May
16
awarded  Nice Answer
May
16
revised What is the use of percent signs (%) at the end of lines?
added info about ` %` at Werner's suggestion
May
13
comment The \bar and \overline commands
See also this answer of mine for a \widebar command that produces a bar wider than \bar and smaller than \overline.
May
9
comment How to print the permutation of {s,u,v,a,t} with LaTeX?
@Andrew: Thanks for the explanation! I have to admit that I didn't even have a look at how you insert the \par in your code ...
May
9
comment How to print the permutation of {s,u,v,a,t} with LaTeX?
@Andrew: Thanks for the comparison! Did you add a \par after every permutation? It becomes about 15% faster if you add a \par after every other permutation as I now propose in my answer, probably since the number of pages is cut in half. Of course it would be best if the algorithm would be able add a \par near the natural end of the line.
May
9
revised How to print the permutation of {s,u,v,a,t} with LaTeX?
simplified code; note on single tokens
May
8
comment How to print the permutation of {s,u,v,a,t} with LaTeX?
@Andrew: As it should be, the algorithm \relaxes if you ask it to do so :-) As for the {cd}: Yes, my version only works for single tokens. So \newcommand*\tf{34}\permute{ab\tf} works!
May
8
awarded  Good Answer
May
8
comment How to print the permutation of {s,u,v,a,t} with LaTeX?
@Andrew: For 11 items, my code (with some \par added) needs about 4 minutes on my computer :-)