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manucpp
manucpp
7:33 AM
Hi all. How do I compress PDF files generated by Xelatex?
 
Joseph Wright
Joseph Wright
@manucpp GhostScript
 
manucpp
manucpp
How do I get more info on Ghostscript and how to use it to compress Xelatex PDFs?
 
Joseph Wright
Joseph Wright
@manucpp Ghostscript is a general tool for working with PostScript/PDF files: a search will quickly find things like stackoverflow.com/questions/10450120/…, gist.github.com/firstdoit/6390547, etc.
@manucpp XeLaTeX producing the PDF files doesn't really matter
 
manucpp
manucpp
@JosephWright Please elaborate.
 
Joseph Wright
Joseph Wright
@manucpp A PDF is a PDF: you can compress it by re-writing using Ghostscript whether it was originally written by XeLaTeX, pdfTeX, InDesign, Word, ...
 
manucpp
manucpp
7:41 AM
@JosephWright Oh! I thought I had to do something to .tex files so they generate smaller PDFs. Thanks!
 
S.C.
S.C.
7:53 AM
Hey everyone
Can someone help me out with this question: tex.stackexchange.com/questions/327312/…
 
 
2 hours later…
wilx
wilx
9:27 AM
@S.C. Done.
 
David Carlisle
David Carlisle
9:50 AM
@egreg hello from Italy
 
egreg
egreg
:32022530 Where, precisely? I might jump on my bike and ride.
 
wilx
wilx
> P.S. I shall be retiring from the world at the end of March 2002, and shall not be available on the Net.
Is he dead?
I was about to send a bug report with the patch when I have noticed this.
 
Torbjørn T.
Torbjørn T.
10:24 AM
@wilx Could be, though that message doesn't necessarily mean that he intended to die in March 2002.
 
egreg
egreg
Horror! My gravatar has changed! It's red!
 
Kurt
Kurt
@egreg I thought you changed it, there was a remark about green :-)
 
egreg
egreg
@Kurt No, I didn't!
 
Torbjørn T.
Torbjørn T.
@egreg Looks like many auto-generated gravatars have changed. Mine changed a couple of days ago.
 
Kurt
Kurt
@egreg Seems all avatar has changed, mine too ...
 
yo'
yo'
10:33 AM
@egreg and they all have rounded corners, no?
 
Joseph Wright
Joseph Wright
37
Q: Why is my profile image different?

LaurelWhen I first signed up on a Stack Exchange site and got a profile image, it was this one (see my current user card): Later, I got Area 51 and SEDE profiles, and my user image there was a different identicon. Because reasons I already know. I would have a picture of it, but that's the problem....

bug profile-page area51 data-explorer gravatar
 
egreg
egreg
@JosephWright Well, I have changed it back, but it's very annoying
 
Joseph Wright
Joseph Wright
@egreg Manually saved the image?
@egreg Ooh, I see you are a mod on the Italian site nowadays :-)
 
egreg
egreg
@JosephWright I've been for a few months.
@JosephWright Yes.
@JosephWright I think that it's a problem with Area51 that started to grab a different gravatar, deploying it on the other sites.
 
wilx
wilx
10:54 AM
I see there is a .lang property on glyph nodes in LuaTeX. How can I compare the node's language with Czech?
 
Joseph Wright
Joseph Wright
@wilx You'll need to know the number that's been assigned to Czech: I'd have to look over the babel loading code (assuming LaTeX) to say how :-)
@wilx Actually, probably \l@czech
 
wilx
wilx
@JosephWright Hmm, but I am purely in Lua at that point. I tried lang.new("czech") but that is apparently not right.
I can do GLYPH = node.id("glyph") to get glyph node ID. Is there no similar mechanism for languages?
I am looking at 4.7 in luatex.pdf but I do not see a way.
 
Joseph Wright
Joseph Wright
@wilx That's all about loading up hyphenations: I assume you are not doing that so are relying on babel or similar to actually set up the language?
 
wilx
wilx
@JosephWright Yes, I am assuming polyglossia or babel sets the language. I just want to compare with Czech so that I limit the transformation only to Czech bits of the text.
 
Joseph Wright
Joseph Wright
11:10 AM
@wilx Like I said, there will be a Lua data structure but I'm not sure of the detail. I'd therefore do something like \catcode`\@=11 \directlua{my_czech_value = \the\l@czech}\catcode`\@=12 after making sure it's defined
 
Ulrike Fischer
Ulrike Fischer
11:36 AM
@DavidCarlisle If I use for \GPT@IfFileExists the definition based on \pdf@filesize (from pdftexcmds, not the primitive \pdffilesize) which is defined as \directlua0{oberdiek.pdftexcmds.filesize("\luaescapestring{#1}")} then the luatex example works fine.
\def\GPT@IfFileExists#1{%
\expandafter\expandafter\expandafter\ifx
\expandafter\expandafter\expandafter\relax\pdf@filesize{#1}\relax
\expandafter\ltx@secondoftwo
\else
\expandafter\ltx@firstoftwo
\fi
}%
 
wilx
wilx
12:05 PM
@JosephWright Thank you. This works for me. Is \l@czech defined by both Babel and Polyglossia? I can see that at least Polyglossia does define it.
 
Joseph Wright
Joseph Wright
@wilx Yes, comes from babel structures
 
pogo-otter
pogo-otter
12:26 PM
Sorry for asking here when it is not strictly TeX: with which notation would you make a modification in a variable apparent? I am currently using an asterisk (C_{f} --> C_{f}^* ) but it can be mistaken for multiplication/convolution in an equation.
Are there guidelines regarding the notation?
 
Paulo Cereda
Paulo Cereda
12:43 PM
@pogo-otter C_{f} --> C_{f}', perhaps? :)
 
pogo-otter
pogo-otter
ah. but it's not a derivation, circumflex is also out of the question (no peak value). It's simply a "stand-in" variable for circuit elements - and the elements are modified, therefor the change in the notation.
A tilde maybe?
 
Paulo Cereda
Paulo Cereda
@pogo-otter ooh it was a wild guess, sorry. :) Ducks have no contextual train of thought. :)
 
pogo-otter
pogo-otter
I am just wondering if anyone knows "official" guidelines like IEEE, ISO, ... just out of curiosity.
(but thanks anyway for suggesting :) )
 
barbara beeton
barbara beeton
12:59 PM
@pogo-otter -- i'm surprised that the superscript * could be confused with multiplication (can't say anything about convolution), unless there is no subscript. both the size and position are different, at least with computer modern. you could force it to be even smaller and higher with $C_{f}^{{}^*}$.
 
pogo-otter
pogo-otter
the double superscript is a very good idea thanks.
(and after all i could always just define another variable, if it was really reason for misunderstanding.)
 
S.C.
S.C.
1:52 PM
@wilx Thanks a ton :) but not able to understand the answer :(
 
wilx
wilx
@S.C. Download the modified skt.c from Gist into your document's directory and just compile it with gcc -o skt skt.c. Then compile your document from the same directory (you probably also need -shell-escape parameter). It worked for me on Cygwin.
 
yo'
yo'
2:07 PM
@pogo-otter i wouodn't ever believe star index could be confused for convolution. I'd suggest C_f', \tilde{C_f} or C_f^\star. There are surely also other options.
 
S.C.
S.C.
2:29 PM
@wilx Thanks. Download the file from gist. It contains 2 files namely fix.patch and skt.c Now If I have my example file as example.skt, should I type gcc -o skt skt.c example.skt and then give an enter in the terminal?
 
pogo-otter
pogo-otter
2:48 PM
@yo' thanks, i didn't think of star. It's certainly better fitted than an asterisk. (tilde imho as well)
 
yo'
yo'
The gravatar change is soooooo stupid!!! I can't recognize people now at all! (Including myself) /looking for the "change avatar" button
I hope for the cache to update soon.
 
Aaron Hall
Aaron Hall
hi
 
barbara beeton
barbara beeton
@yo' -- yikes! @egreg is back to being a green square, but i'm no longer purple! (at least not on the main list and meta.) just a pale imitation, an imposter!
 
yo'
yo'
3:05 PM
@barbarabeeton yeah, you're shapeless.
 
egreg
egreg
@barbarabeeton I had to update my picture manually. :( You might try the same procedure as described in
5
A: Why is my profile image different?

Caleb Can I get my other icon back or will I be stuck with this new one? Maybe. If you've been using any Stack Exchange site long enough that you've grown attached to your identicon, there's a good chance that it's cached or archived somewhere even if you don't have it yourself. The tool that wor...

 
yo'
yo'
I had my gravvy stored elsewhere as I use it on github too.
 
Paulo Cereda
Paulo Cereda
@barbarabeeton: ^^ :(
 
Joseph Wright
Joseph Wright
What's odd with the profile picture issue is we've not yet got an official 'we'll fix it' response ...
 
yo'
yo'
@JosephWright well, there's a sorta "we're looking into it" response from M.G.
 
wilx
wilx
3:23 PM
@S.C. I was wrong about the -shell-escape option. It seems that it is really just a preprocessor. I have downloaded the mirrors.ctan.org/language/sanskrit/sktdoc.skt documentation file, then I have executed ./skt sktdoc.skt which has produced sktdoc.tex which I have then run through usual LaTeX compilation.
 
 
1 hour later…
egreg
egreg
4:29 PM
@wilx skt test && pdflatex test
 
yo'
yo'
@egreg yeah, or use arara
Damn the avatars will be confusing me for ages!
 
egreg
egreg
4:45 PM
@PauloCereda I heard news about Dilma!
 
Paulo Cereda
Paulo Cereda
@egreg I'm watching the news as we speak!
 
egreg
egreg
@PauloCereda Is the new president better? ;-)
 
Paulo Cereda
Paulo Cereda
@egreg Nope. :) Birds of a feather. :)
@egreg But the first lady is cute, at least. :)
 
egreg
egreg
@PauloCereda :)
 
Paulo Cereda
Paulo Cereda
Marcela Temer
Marcela Tedeschi Araújo Temer (born May 16, 1983) is the wife of the current interim President of Brazil, Michel Temer. == Early life == Marcela Tedeschi Araújo was born on May 16, 1983 in Paulínia, São Paulo, to Carlos Antônio de Araújo and Norma Tedeschi. After graduating from the Escola Estadual Porphyrio da Paz, in her native Paulínia, Marcela worked as a receptionist for the newspaper O Momento. In 2002, at the age of nineteen, she won the title of Miss Paulínia, then moving on to share the state title as Miss São Paulo. In 2002 Marcela accompanied her uncle Geraldo, a Paulínia munic...
 
egreg
egreg
4:52 PM
@PauloCereda She's half Italian as well
 
Paulo Cereda
Paulo Cereda
@egreg ooh :)
 
egreg
egreg
@PauloCereda I deduced it from her mother's name
 
Paulo Cereda
Paulo Cereda
@egreg Indeed.
@egreg: now they are voting if Dilma keeps her political powers.
 
S.C.
S.C.
@wilx Yes that option was not needed. Its indeed working well. Thanks for the great help ):)
 
David Carlisle
David Carlisle
5:23 PM
@UlrikeFischer yes I'll do something along those lines
@egreg we've done Italy now:-) walked over the border for 10 minutes from Rateče
 
egreg
egreg
@DavidCarlisle I've seen that place several times. Not really much to see over the border. Are you at Kranjska Gora?
 
David Carlisle
David Carlisle
5:43 PM
@egreg yes
 
StrongBad
StrongBad
Anyone have any insights into what is happening here:
\documentclass{article}
\usepackage{biblatex}
\addbibresource{biblatex-examples.bib}
\begin{document}
\makeatletter
\immediate\write\@auxout{\string\global\string\providetoggle{foo}}
%\immediate\write\@auxout{\string\let\string\relax\string\relax}
\makeatother
\cite{aksin}
\end{document}
It is like the `\global` is not being used.
Opps it has nothing to do with biblatex ...
 
David Carlisle
David Carlisle
@StrongBad no particular reason to believe \global would work with a macro such as \providetoggle (you'd have to look at its definition pretty carefully:-)
 
StrongBad
StrongBad
6:02 PM
@DavidCarlisle From my look at the code, the behaviour otherwise, and egreg's answer to a different question, it seems like it should work.
Oh, no it isn't the same. It is the second loading of the aux file when \providetoggle doesn't do anything.
 
 
3 hours later…
Alan Munn
Alan Munn
8:38 PM
@PauloCereda Surely you don't believe this.
@UlrikeFischer I see you are another changed profile image.
 
Paulo Cereda
Paulo Cereda
@AlanMunn Do you? :)
 
Alan Munn
Alan Munn
@PauloCereda Birds of a feather? No way. There's simply no evidence for that claim, neither in terms of actual corruption nor in terms of their politics.
 
Paulo Cereda
Paulo Cereda
@AlanMunn Brazilian politics is grounded on corruption since empire. Political parties are just a mere formality. :)
 
Ulrike Fischer
Ulrike Fischer
@AlanMunn Hm. Yes depending on the size it changes. But more disturbing: I (and @DavidCarlisle and @PauloCereda) seem to have lost my last name in the chat. How do I repair this?
 
Paulo Cereda
Paulo Cereda
@UlrikeFischer oh no
 
Alan Munn
Alan Munn
8:48 PM
@UlrikeFischer No idea (and I see your full names.)
@PauloCereda This is sidestepping the point...
 
Torbjørn T.
Torbjørn T.
@UlrikeFischer Seems to depend on zoom level/width of browser window.
 
Paulo Cereda
Paulo Cereda
@AlanMunn Actually, I think it indicates it's a matter of time for bad things to emerge. I don't like our (former) president at all nor the party behind it, but the alternative is just another instance of bad stuff to grow. :)
 
Alan Munn
Alan Munn
@TorbjørnT. Yes, if I make my zoom a bit larger, then the last names disappear for the longer names. I only retain mine because it's only 9 characters.
@PauloCereda You don't think there's been more than enough time for 'bad things' to be found? If there were real bad things implicating Dilma, they would have impeached her on those, but they were unable to.
 
Paulo Cereda
Paulo Cereda
@AlanMunn I don't believe the system, as more than halft of the lawmakers is being investigated. Every politician here is corrupt, and that's very close to an axiom for us.
 
Alan Munn
Alan Munn
@PauloCereda Right, but even the right seems to agree that Dilma isn't corrupt.
 
Paulo Cereda
Paulo Cereda
9:03 PM
@AlanMunn She's more incompetent than corrupt, but she cannot plead ignorance of what happened to Petrobras. Granted, one error could not propagate into different instances (from a company director to president).
 
Stefan Kottwitz
Stefan Kottwitz
9:19 PM
@PauloCereda More incompetent than corrupt - is that good or bad?
 
Paulo Cereda
Paulo Cereda
@StefanKottwitz Ducks are very naïve, I have no idea. :)
 
Stefan Kottwitz
Stefan Kottwitz
@PauloCereda Are ducks the contrary or the same? >:-)
@PauloCereda Today I saw a nice Latex MWE. Wanna see?
One of my all-time-favourites: My #latex #corset by @IsabeauOuvert <3 #CorsetLover #HourglassFigure #Korsett https://t.co/TG268O7oE3
Tweeted by MissLeonieHH on August 21, 2016 at 9:05 AM
 
Paulo Cereda
Paulo Cereda
@StefanKottwitz ooh Schrödinger duck!
@StefanKottwitz I clicked the link... by accident.
 
Stefan Kottwitz
Stefan Kottwitz
I think the example above is not minimal.
 
Alan Munn
Alan Munn
@StefanKottwitz I was just about to say this. :)
 
Paulo Cereda
Paulo Cereda
9:24 PM
@StefanKottwitz \huge I won't comment.
 
Stefan Kottwitz
Stefan Kottwitz
@AlanMunn She's from my home town Hamburg. I should ask here to come to the LaTeX regular's table.
 
yo'
yo'
9:40 PM
@StefanKottwitz Yes! Do that please!!! :D
 
Stefan Kottwitz
Stefan Kottwitz
9:50 PM
@PauloCereda You join?
 
 
2 hours later…
Paulo Cereda
Paulo Cereda
11:21 PM
@StefanKottwitz :)
 

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