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cis
cis
8:00 AM
.......................................

Does somebody have Sage 8.x for Windows?

Where do I find the "executive file", so that I can say in the cmd:

"C:\Programme\SageMath 8.9\...." load('/folder/sagebsp01.sagetex.sage')
 
David Carlisle
David Carlisle
@cis why do you need the full path in the document, can't you just add the executable to your PATH environment?
 
cis
cis
@DavidCarlisle Yes, but first I need to know, where the exe or py or... is placed....
 
David Carlisle
David Carlisle
@cis well how do you start it? It is presumably in your path already, or you have a desktop shortcut or something
 
cis
cis
@DavidCarlisle In a sage-shell (and it works), but I need to find out, how to start it from the windows-cmd...
 
Ulrike Fischer
Ulrike Fischer
8:13 AM
@cis here is a long message tex.stackexchange.com/a/472964/2388
 
Henri Menke
Henri Menke
8:24 AM
If anyone can think of any blocking issues for PGF/TikZ, please comment on the corresponding tickets or open a new one if it doesn't exist. I'm only waiting for the latest batch of oberdiek packages, then I'll release 3.1.5.
 
cis
cis
8:50 AM
@UlrikeFischer I tested many stuff from that,... don't have success...
 
David Carlisle
David Carlisle
@HenriMenke sorry about that:-) Anyway they all went in at the ctan end so should appear in texlive today and mirrors tomorrow I would guess.
@cis if you have a shortcurt to start it you can look at its properties or just type sage into the windows searchbox and see where it is,
 
cis
cis
9:05 AM
Yes, good idea..... That is


"C:\Programme\SageMath 8.9\runtime\bin\mintty.exe" -t 'SageMath 8.9 Console' -i sagemath.ico /bin/bash --login -c '/opt/sagemath-8.9/sage'

I got "Access Denied" :)
 
David Carlisle
David Carlisle
@cis oh so it's running in some sort of posix shell environment still I don't see why yo can't put that commandline into a write18 (quoting the \ of course.)
@cis put that command line in mysage.bat in the same folder as your document then use \write18{mysage}
 
cis
cis
@DavidCarlisle Hehe, same effect: "Access Denied"
 
TeXnician
TeXnician
9:32 AM
@cis What else is in C:\Programme\SageMath 8.9\runtime\bin or in other terms: Is C:\Programme\SageMath 8.9\runtime\bin relevant enough for sage to be in your path?
And where do you get access denied? From windows? From the spawned shell?
 
cis
cis
10:06 AM
It's about developing an arara rule for sage (as for all operating systems, "ifWindows()" etc.):

https://tex.stackexchange.com/questions/520683/arara-sage-a-sagemath-rule-for-arara?noredirect=1#comment1316783_520683

I don't think I can do the job; not even with the advice from

https://tex.stackexchange.com/questions/472941/call-sage-in-texstudio-windows/472964#472964


I am not an operating system (Win / Linux /...) expert in this dimension ...
.....................
PS: All I have are (good) ideas.

It surprises me anyway why so many users have not yet had the idea "arara-sage".

I'm not surprised that SageTeX is rarely used.
The execution is complex and extensive (at least for Windows)

The online version "CoCalc" is tough ... For me it takes about "1 second per letter" ...

According to the current status, SageTeX - in general - cannot be used effectively!
 
TeXnician
TeXnician
10:26 AM
@cis I have seen that question. Anyway, you seem to have got an "access denied" error somewhere. You do not say where. You seem to have followed some steps from the answer you linked to but you do not name them. Then you repeatedly give no further information on any of this. So maybe you should make this reproducible first…
 
cis
cis
@TeXnician I don't know where the denial of access occurs! You will get every conceivable information from me if it is necessary.
 
David Carlisle
David Carlisle
@cis you know more than us, for example do you get it if running the command you show directly from the cmd terminal or just if you call it from tex
 
cis
cis
10:41 AM
This analysis will not have success.

.....................
I have another script-like idea, which should, however, limit my imagination.

1. It may be possible to create a * .sage file on the computer and translate it from the command line via his CoCalc account.

I don't know if that works ...

2. Then it should be possible to translate a SageTeX-containing file * .tex or * .sagetex.sage using a suitable script with CoCalc (Sage does not need to be installed then...)

That could work.
Can I write such a script? No....
...................


PS: The whole thing would have something of the package "getmap", which also makes an online access.
 
Enthusiastic Engineer
Enthusiastic Engineer
11:09 AM
Hi @DavidCarlisle I have a question on this answer of you
28
A: What does the phrase "Underfull \hbox (badness 10000) in paragraph" actually mean?

David Carlisle99 times out of 100 it means you have \\ incorrectly placed at the end of a paragraph. But to dissect the message: Underfull \hbox (badness 10000) in paragraph at lines 4--5 A box is underfull if there is not enough content to fill its stated size. If you go \hbox to 5cm{A} then it makes...

Today I started editing my latex file with extensions of visual studio code
It gave me warnings on problems in my file
I opened my log file
and saw many of that comment there
I can see that this refers to parts of my bib file, not my main typeset
should I do anything about that, edit it or leave it as it is?
this is also another warning there: LaTeX Warning: h' float specifier changed to ht'.
 
David Carlisle
David Carlisle
@EnthusiasticEngineer bibliographies are often tricky to typeset hard to say in general. If it is putting \\ at the end of paragraphs (which is what I discuss mostly in that answer) that is an error in your bibliography style but if it is just making unbreakable units and so having to much white space you need to decide what to do, just look at teh output, how bad is it... If it is unbreakable URL allow them to break with url package, otherwise hard to guess...
@EnthusiasticEngineer don't use \begin{figure}[h] that is a request to move all figures to the end of the document. In latex2.09 that's what happened, but in 2e we guess you didn't mean that and change it to [ht]
 
Enthusiastic Engineer
Enthusiastic Engineer
@DavidCarlisle exactly it is what you mention. I use this code to break my links in the biblio part: '\def\UrlBreaks{\do\/\do-}'
I used it because my links were unbreakable and were moving in the white space of paper
@DavidCarlisle I used it because I wanted all the figures appear after the section of figures in the end of my document... otherwise all of them will come between my text...
 
wilx
wilx
Is there a best package to create a survey form with check boxes (check one of N) and blank spaces?
 
David Carlisle
David Carlisle
11:40 AM
@EnthusiasticEngineer that's fine (or you could allow nore places) but where is the white space? you must have some stretched out lines if you are getting badness 10000
@EnthusiasticEngineer ok but figure means "allow this to be moved" (otherwise you could use \includegraphics directly) but [h] means don't put it at the top of a page, don't put it at the bottom of a page don't put it on a page on its own, as you do not include t b p, so if for example you have a figure that is 50% of textheight and its natural position comes 75% down the page, then it will not fit "here" and you have specified that it is not allowed anywhere else.....
 
wilx
wilx
12:26 PM
Hmm. Why is eqexam not installed by tlmgr?
 
David Carlisle
David Carlisle
@wilx texlive doesn't like adding packages that only support non free software or fonts and most of those packages require acrobat
 
wilx
wilx
@DavidCarlisle I see.
 
David Carlisle
David Carlisle
@wilx the licence is LPPL so it could be distributed, but Karl's doing the work and he takes a harder line...
 
cis
cis
@wilx Maybe same reason like "sagetex.sty"...
 
Paulo Cereda
Paulo Cereda
1:08 PM
Hi mr. squirrel!
 
Enthusiastic Engineer
Enthusiastic Engineer
@DavidCarlisle thank you david. I learn so much each time I ask you any questions :)
 
cis
cis
1:32 PM
@PauloCereda He-Ho
 
Paulo Cereda
Paulo Cereda
@cis hi!
 
cis
cis
@PauloCereda Do you think an arara-sage is in principle possible?
 
Rmano
Rmano
@PhelypeOleinik --- thanks a lot for your help. I finally have 
%
% Thanks to Phelype Oleinik tex.stackexchange.com/a/520806/38080
%
% this is needed to avoid problems with \ConTeXt
\ifcsname normalunexpanded\endcsname
  \let\pgfutil@unexpanded\normalunexpanded
\else
  \let\pgfutil@unexpanded\unexpanded
\fi
% minimally expand a pgfkey to check if it's {}/undefined or filled.
\def\unexpandedvalueof#1{%
  \pgfutil@unexpanded\expandafter\expandafter
    \expandafter\pgf@circ@valueof@chk\pgfkeysvalueof{#1}}
\def\pgf@circ@valueof@chk#1{%
  \ifx\relax#1%
    \expandafter\pgfutil@firstoftwo
Which seems to work well. I'll check as soon as I can add the flipflops to circuitikz in a proper ConTeXt file. Thanks again!
 
Phelype Oleinik
Phelype Oleinik
1:48 PM
@Rmano You're welcome :-)
@Rmano I checked with a minimal ConTeXt document and that example worked, so I don't see why it would break... But who knows ;-)
 
Enthusiastic Engineer
Enthusiastic Engineer
latex workshop on visual studio code is very nice... uses my texlive to compile document...
also has a feature that does pdflatex bib pdflatex pdf latex run with one click! :))
 
Rmano
Rmano
@PhelypeOleinik yes --- but the flip-flops implementation is quite longer ;-) and the probability that I have missed something like the \unexpanded thing is very high... ;-)
 
Phelype Oleinik
Phelype Oleinik
@Rmano Oh, and about your comment about \protected@edef in ConTeXt: no, it's not available there. \protected@edef uses LaTeX's \protect to avoid the expansion of protected macros. As far as I know (which is not much), ConTeXt uses \protected (the e-TeX primitive) to make robust macros, the same as expl3.
@Rmano Oh, I know :-) It's very common to take some command, like \@firstoftwo for granted and then it suddenly doesn't exist in a format. \begin{advertisement} That's why expl3 is format-independent :-)
2
 
Paulo Cereda
Paulo Cereda
2:08 PM
@PhelypeOleinik yayanindependentformatohnoiforgotspacesaregobbled
:)
 
Rmano
Rmano
@PhelypeOleinik \end{message} ocurred in advertisment ;-P
 
Phelype Oleinik
Phelype Oleinik
@PauloCereda Germansdonotusespacesandyetheretheyare:-)
 
Paulo Cereda
Paulo Cereda
@PhelypeOleinik ooh
Frank's inspiration :)
 
Phelype Oleinik
Phelype Oleinik
@Rmano I tested only in ConTeXt, LaTeX and Plain. The chatroom is an unsupported format ;-)
 
Joseph Wright
Joseph Wright
2:34 PM
@PhelypeOleinik Took a bit of work :)
 
cis
cis
@PauloCereda I don't get an answer - so I think it is a big, possibly unsolveable problem. ;)
 
Paulo Cereda
Paulo Cereda
@cis oh sorry, I forgot to answer. :) Let me answer now.
 
David Carlisle
David Carlisle
@PauloCereda I see you started your German language course already
 
Paulo Cereda
Paulo Cereda
@cis well, arara simply wraps stuff and if there a way to run Sage things, it's quite possible. The problem is, if you cannot make things work without the need of arara , little to nothing can be done with the tool itself, since it relies on the underlying configuration of your system...
 
Phelype Oleinik
Phelype Oleinik
@JosephWright :)
 
Paulo Cereda
Paulo Cereda
2:47 PM
@PhelypeOleinik and tea
 
Phelype Oleinik
Phelype Oleinik
@PauloCereda Oh, british coffee :)
@PauloCereda Tea is good too
 
Paulo Cereda
Paulo Cereda
@PhelypeOleinik Exactly :)
@PhelypeOleinik Yes. :)
 
cis
cis
@PauloCereda Ah, ok. I understand. So I will try solve this for the Windows-Comandline.
For Linux I solved the problem with arara-sage ca. 2 years ago.

The best way, in my opinion, would be a "online-solution", like
sagetex (PC) --> *.sage (PC) ---> SKRIPT ---> CoCalc (WEB) ---> pdflatex (PC) --> *.pdf (PC)

But I do not know, if this is possible....
 
David Carlisle
David Carlisle
@cis why do you want to run it from inside tex? obviously that's more complicated than running it outside tex but if you get it running from the commandline first (which is purely a sage installation question) then you should be able to amke that work from tex if you want,
 
cis
cis
3:15 PM
The instruction
here
6
A: Call Sage in TeXstudio (Windows)

user170109As explained below we can work around most issues raised. And here is the customising to run in ubiquitous TeXworks (TeXstudio in detail below). SageMaths is developed to run with a customised version of Python currently undergoing changes from version 2.7 to 3.x. SageTex is not provided as a ...

is promising. But I can't make it work.
 
David Carlisle
David Carlisle
@cis as I say first get it working on the commandline, then get it working from tex called from the commandline and only then look at editors like texstudio. Trying to integrate a command that you can't get to run into an IDE (or arara) is doing things backwards.
 
cis
cis
That was an answer, to your remark; because there is, as the title does not implicitly suggest, a procedure is described: for the command line.

The editor stuff, which was certainly unclear, is my smallest problem right now!
 
cis
cis
3:48 PM
...................
...............:
Again for recapitulation:

As already said, there is currently no convenient, ergonomic or fluid method to use SageTeX.

And in my opinion, that's exactly why SageTeX is used so rarely.

It is of no use here to come up with a solution that only works for a few super specialists.

Sure, it's my problem; so it doesn't matter much for the rest ....
 
Ulrike Fischer
Ulrike Fischer
4:11 PM
@cis well sagetex has an issue tracker: github.com/sagemath/sagetex/issues.
 
Faheem Mitha
Faheem Mitha
4:53 PM
The following function returns a value even if the function argument is not passed. 
local function bool (b)
   print(string.format("b is %s", b))
   return ((b and "foo") or "bar")
end
print(bool())
b is nil
bar
Other than explicitly checking for the value of b, can anyone think of any other way of writing this function?
I.e. if b true then foo, if b false then bar.
 
Joseph Wright
Joseph Wright
@FaheemMitha You are not explicitly checking, you are using the standard Lua (X and Y) or Z approach
 
Faheem Mitha
Faheem Mitha
@JosephWright Yes, I'm aware. Which isn't ideal, because in this case it returns a value even if the argument isn't passed.
I'm wondering if there are other options, besides explicly checking for the value of b.
 
Joseph Wright
Joseph Wright
@FaheemMitha Oh, you want to return foo or nil`?
 
Faheem Mitha
Faheem Mitha
@JosephWright I want the function call to fail if the value of b isn't given to the function.
 
Joseph Wright
Joseph Wright
function test(val)
  return (val and "X") or nil
end

print(test("a"))
print(test())
@FaheemMitha Assertion? 
function test(val)
  assert(b)
end

print(test("a"))
print(test())
 
Faheem Mitha
Faheem Mitha
5:04 PM
@JosephWright That would fail if b was true. I want it to fail if b neither true nor false.
In other words, I want to make sure a bool is being passed.
 
Joseph Wright
Joseph Wright
@FaheemMitha Lua doesn't really work like that: all values are logically true other than false and nil
 
Faheem Mitha
Faheem Mitha
3
Q: How to check for boolean argument in lua function

DarkAtomTo get integer arguments into from the script into my C code, I can use luaL_checknumber(), but there is no function called luaL_checkboolean() that would allow me to get bool arguments. Is there any workaround for this?

c lua
Possibly relevant...
@JosephWright Yes, I'm aware. But in the worse case it's possible to explicitly check whether the falue is actually true or false, correct?
Specifically, this function:
 
Joseph Wright
Joseph Wright
@FaheemMitha Yes, if you really want to, but that's anti-pattern for Lua: if I pass "foo" to a boolean, I know it should be treated as true
 
Faheem Mitha
Faheem Mitha
lua_isboolean
int lua_isboolean (lua_State *L, int index);
Returns 1 if the value at the given index is a boolean, and 0 otherwise.
@JosephWright In this particular situation, I'm primarily concerned that bool is in fact set. I guess I could just check it isn't nil, but I figure I might as well check it's actually a bool, since that's what I intend it to be.
@JosephWright Why is it an anti-pattern?
Oh, never mind. That's of the C API, it looks like.
 
David Carlisle
David Carlisle
5:19 PM
@FaheemMitha because you force the caller of your function to cast to true or false before calling, which is unexpected.
 
Faheem Mitha
Faheem Mitha
@DavidCarlisle Why is it unexpected, if I'm expecting the value to be a bool? Other languages have bools. In strongly typed languages at least. Which literally will not accept other values than true or false.
Not that I'm a fan of strongly typed languages. It's a bit like strapping oneself into an Iron Maiden as a precaution against failing over. But they do have their advantages.
 
David Carlisle
David Carlisle
@FaheemMitha "strongly typed languages at least". exactly. It's same as C it is strongly built into the system that 0 is false and not 0 is true, so if you had a function that was 0 false 1 true anything else an error, it would be inconvenient to use.
 
Faheem Mitha
Faheem Mitha
5:36 PM
@DavidCarlisle Except that at least C checks if a variable has been declared. Lua doesn't do that, of course.
 
David Carlisle
David Carlisle
@FaheemMitha all languages have their idioms and quirks best to go with the flow not try to write python in Lua.
 
Faheem Mitha
Faheem Mitha
@DavidCarlisle I'm not particularly a go-with-the-flow kind of person...
 
Joseph Wright
Joseph Wright
@FaheemMitha Because it's a documented feature of Lua that any variable that is set to something other than false is true, so I'm well within my rights to use variables in that way
@DavidCarlisle, @UlrikeFischer I've asked Jonas about the Secret Website
 
David Carlisle
David Carlisle
@FaheemMitha Einige Leute behaupten, dass das Schreiben in einer Sprache und die Verwendung von Google Translate in einer anderen nicht immer den natürlichsten Text produzieren. Ich bin sicher, dass sie falsch sind.
 
Joseph Wright
Joseph Wright
@DavidCarlisle, @UlrikeFischer, @egreg, @MarcelKrüger, @PhelypeOleinik Ooh, something directly relevant to Unimath on Twitter: johndcook.com/blog/math_symbols
 
Faheem Mitha
Faheem Mitha
6:03 PM
@DavidCarlisle Regrettably, I cannot read German.
 
Phelype Oleinik
Phelype Oleinik
@JosephWright You couldn't resist too long without a secret ;-)
@JosephWright Oh, the &thing; thingy :)
 
David Carlisle
David Carlisle
6:34 PM
@FaheemMitha you could read it the same way I wrote it
@JosephWright starts off with a wrong statement:=0
 
CarLaTeX
CarLaTeX
@DavidCarlisle Except for eu and ei
 
Paulo Cereda
Paulo Cereda
@FaheemMitha type(...)
 
Faheem Mitha
Faheem Mitha
7:02 PM
@PauloCereda Oh, I didn't think of that. Thanks.
 
StrongBad
StrongBad
Do you use an umlat/dieresis with with word naive?
 
David Carlisle
David Carlisle
@StrongBad most people don't bother, but it's probably more correct
 
StrongBad
StrongBad
@DavidCarlisle I usually don't, but I have a sentence with naive and a bunch of names that all have accents. As I was adding in the marks, it made me second guess myself.
 
David Carlisle
David Carlisle
@StrongBad I have no idea how to type it on a UK keyboard (I'd type it via the unicode number in emacs if I really had to)
 
Paulo Cereda
Paulo Cereda
@DavidCarlisle ööh
@JosephWright ooh
 
David Carlisle
David Carlisle
7:15 PM
@PauloCereda ooḧ
 
Paulo Cereda
Paulo Cereda
@DavidCarlisle o.O
 
David Carlisle
David Carlisle
@PauloCereda Oâ‹…â—¯
 
Paulo Cereda
Paulo Cereda
@DavidCarlisle quack?
 
David Carlisle
David Carlisle
@PauloCereda dinner
 
Paulo Cereda
Paulo Cereda
@DavidCarlisle oh no
 
Sigur
Sigur
7:21 PM
Hello friends.
When we load a package, almost always many other packages will be loaded by it, which could be load another and another and so on. Is it possible to get a list of all packages loaded?
 
StrongBad
StrongBad
@Sigur you could use the snapshot package
 
Sigur
Sigur
@StrongBad, thanks. I have it. I'm testing.
 
StrongBad
StrongBad
@Sigur if you are using biblatex see tex.stackexchange.com/questions/508985/…
@barbarabeeton is there any word about getting a bug fix for the snapshot package: tex.stackexchange.com/questions/508985/…
 
barbara beeton
barbara beeton
@JosephWright -- It rather seems to ignore MathMl as a constituent part of XML.
 
Paulo Cereda
Paulo Cereda
@barbarabeeton: since he's here, a coffee with @Sigur is being arranged.
 
Sigur
Sigur
7:28 PM
@barbarabeeton, @PauloCereda, oh, yes, maybe in 2 days.
 
Paulo Cereda
Paulo Cereda
@Sigur woo
 
Sigur
Sigur
@PauloCereda, bring your note book to take note on my TeX questions.... lol
 
Paulo Cereda
Paulo Cereda
@Sigur :)
 
Ulrike Fischer
Ulrike Fischer
@Sigur pdflatex --recorder yourfile will write a fls-file with all files.
 
Paulo Cereda
Paulo Cereda
\listfiles too?
 
Sigur
Sigur
7:33 PM
@UlrikeFischer, nice. I don't know why some lines are duplicated in fls file. But it works.
@PauloCereda, on preamble?
 
Paulo Cereda
Paulo Cereda
@Sigur Guess so, it's been a while...
 
Ulrike Fischer
Ulrike Fischer
@Sigur Imho because latex first tests (which actually loads) and then loads really.
 
Sigur
Sigur
@PauloCereda, it works.
*File List*
report.cls 2019/10/25 v1.4k Standard LaTeX document class
size10.clo 2019/10/25 v1.4k Standard LaTeX file (size option)
amsmath.sty 2019/11/16 v2.17d AMS math features
amstext.sty 2000/06/29 v2.01 AMS text
amsgen.sty 1999/11/30 v2.0 generic functions
amsbsy.sty 1999/11/29 v1.2d Bold Symbols
amsopn.sty 2016/03/08 v2.02 operator names
 
Paulo Cereda
Paulo Cereda
@Sigur woo
Do you guys intend to watch Star Wars 9?
 
Sigur
Sigur
I don't.
 
mickep
mickep
7:41 PM
Russell just called and asked if the packages that list all loaded packages list themself?
 
Paulo Cereda
Paulo Cereda
@mickep ooh
Where are you, Zermelo–Fraenkel?!
 
mickep
mickep
@PauloCereda ohh :)
 
Paulo Cereda
Paulo Cereda
@mickep ooh :)
 
Sigur
Sigur
@mickep, @PauloCereda, at least the set of such packages is non empty since snapshot does that.
 
David Carlisle
David Carlisle
@PauloCereda pah non well founded set theories are more fun
 
barbara beeton
barbara beeton
8:10 PM
@StrongBad -- I'm no longer at AMS, and though I could inquire, a bug report has already been submitted per a comment on the question. An answer to the question proposes a workaround. One possibly relevant thing that I am aware of is that AMS does not accept (and cannot process) biblatex submissions, so I'm quite certain that this combination was never tested.
 
Joseph Wright
Joseph Wright
8:26 PM
@PauloCereda Yup
@barbarabeeton Er, yes ...
 
Henri Menke
Henri Menke
9:24 PM
8
Q: How to disable the announcement banner?

Henri MenkeLately when visiting sites on the Stack Exchange network, I have seen this announcement banner popping up, right underneath the top bar. Here is a screenshot of today's announcement banner: Now I absolutely don't care what some guy I've never heard of has to say about Git or any other thing o...

support top-bar
Please vote to reopen. The stupid announcement banner is back.
@JosephWright @MartinScharrer @StefanKottwitz Can you please contact the powers and make them aware of this problem? ^^^
 
Joseph Wright
Joseph Wright
@HenriMenke Done
 
cis
cis
@UlrikeFischer Yes, that's nice. I don't want to file the case. I want to solve the problem.
 
Ulrike Fischer
Ulrike Fischer
9:57 PM
@cis that's why I would file a case: so that the people who understand the system solve the problem.
 
Faheem Mitha
Faheem Mitha
10:14 PM
I've used the star option in one of my macros, but I don't really know why. Is there a reason I can't change it to be an optional named argument using a key-value system? It would be easier to add/remove if necessary. Does TeX reserve some special categories for star arguments?
 
Joseph Wright
Joseph Wright
@FaheemMitha Huh? There are no optional arguments in TeX: presumably you are talking about LaTeX
 
Faheem Mitha
Faheem Mitha
@JosephWright Well, \NewDocumentCommand etc.
Or xparse, if you prefer.
 
Joseph Wright
Joseph Wright
@FaheemMitha Right, so xparse then
 
Faheem Mitha
Faheem Mitha
@JosephWright Yes, I guess star is a LaTeX convention, not a TeX one.
 
Joseph Wright
Joseph Wright
@FaheemMitha You can use an optional arbitrary token: the * is just handled as a special-case as it's a LaTeX convention
@FaheemMitha s = t*, o = d[] for convenience
 
Faheem Mitha
Faheem Mitha
10:18 PM
@JosephWright Oh. BTW, I assume you're the author of texdev.net/2010/05/23/from-newcommand-to-newdocumentcommand
You've got:
 
Joseph Wright
Joseph Wright
@FaheemMitha Well that is my blog ...
 
Faheem Mitha
Faheem Mitha
\NewDocumentCommand\TwoTypesOfOpt{D<>{}O{}m}%
Unless I'm missing something, the HTML bits aren't intentional.
 
Joseph Wright
Joseph Wright
@FaheemMitha Just spotted that myself; fix coming up
@FaheemMitha Give it a minute for GitHub to regen the HTML
 
Faheem Mitha
Faheem Mitha
@JosephWright Ok. Thank you.
 
Joseph Wright
Joseph Wright
@FaheemMitha I converted from WordPress and there are still a few gremlins
 
Faheem Mitha
Faheem Mitha
10:22 PM
Ah. What are you using now?
 
Joseph Wright
Joseph Wright
@FaheemMitha Jekyll on GitHub Pages
 
Faheem Mitha
Faheem Mitha
@JosephWright Is it better?
Ruby. So probably better than PHP (ugh).
Oh, and integrated with GitHub.
 
Joseph Wright
Joseph Wright
@FaheemMitha From my point of view, how it's written is irrelevant; I don't actually do anything
 
Faheem Mitha
Faheem Mitha
@JosephWright Ok.
 
Joseph Wright
Joseph Wright
@FaheemMitha Static pages, so good for a blog with no comments, not so good if you want discussions or wahtnot
 
Faheem Mitha
Faheem Mitha
10:24 PM
@JosephWright Yes, I see.
@JosephWright Your blog entry has no mention of using key value packages/libraries for named optional arguments, though this must be a very commonly used technique.
 
Joseph Wright
Joseph Wright
@FaheemMitha That's really a separate thing, though: xparse is about grabbing the arguments themselves, how you then process them is up to you. For example using an o-type argument for keyvals is very common: I do it routinely in siunitx 
\ExplSyntaxOn
\NewDocumentCommand \foo { O{} m }
  {
    \group_begin:
      \keys_set:nn { foo } { #1 }
      ...
    \group_end:
  }
\ExplSyntaxOff
 
Faheem Mitha
Faheem Mitha
@JosephWright Fair enough. But you could at least include a mention and a pointer, perhaps to those other articles of yours. In case the reader is not aware of that option.
@JosephWright Yes, like that.
 
David Carlisle
David Carlisle
11:28 PM
@FaheemMitha and free
 

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