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M-code LaTeX Package

version 2.7 (47.5 KB) by

Easily include nicely syntax highlighted m-code in your LaTeX documents.

151 Ratings



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Editor's Note: Popular File 2012 2013 2015 2016

There are many packages out there that do pretty much the same. However, there are also usually many settings and tweaks needed to get it to look just right.
This package saves you from all this hassle — just include it and you're done.
I originally wrote this package for myself to have colourful source code highlighted in LaTeX, looking exactly like in the Matlab editor — being able to just copy-paste the code directly (no pre-treatment with highlight.m or the likes), or simply give a file name and have its contents included and syntax highlighted.
Again, this packages relies on a bunch of other packages (and in particular the listings package for the actual work), but spares you from loads of configurations... So please first check the source code or the configuration options of the packages used if you have any issues.
I've also thrown together a small demo-document (now included) which should give you a quick example on how to actually use the package.

Comments and Ratings (288)

Luis Victor


Hildo (view profile)

You could move the project to the GitHub. So, we can collaborate in a easy way.


Sebnem (view profile)

Marc Jakobi

Great contribution!
I would recommend adding the following keywords:

- properties
- methods

for Matlab classes.

xie faxiang

awesome work!

Juan Duarte

Mihai Ginta


RAHUL (view profile)

Hi thanks alot



Maeri (view profile)

Works perfectly fine, except for the bold text in the block comments after %%. I added the two lines of code suggested by Eric
'morecomment=[l][\mcelldelimfont]\%\%\ , % cell comments '
'morecomment=[l][\mcelldelimfont]\%\%\ , % cell comments ',
but the font just does not appear in bold. I am using the standard font (pcr). Is there a fix for this?

Lukas Pfrimer

Super cool!

Lukas Pfrimer

Wonderful! Thanks man.

Thanks so much!!!



Alon Tuchner

ahmed youssef

Talha Yousuf


This is great! I just noticed one thing- the ellipses are green and they should be blue... Is there an easy way to change that? Thanks for posting!

Lei Gao


Manu (view profile)

In regards to my previous comment.

I was able to find a solution and want to share just in case others end up having the same question.

In order to start a matlab code at a line number, insert '[firstnumber={number}]' before declaring the .m file. Example for a .m file called 'Section_2.m is as follows that has the code box start at number 183:


Hope this helps!


Manu (view profile)

First off, thanks for this package! It's a great help. I do however have a question, that I was not able to find an answer to in the comments below.

I'm trying to include a code, with line numbering, but I would like the line numbering to start at a number that is not '1'. Is there a way of doing this that's relatively painless?

Thanks in advance

Iftikhar Ali

This is of great help and make life easy for rest of us.

Jussi Ramo

Excellent work, I really enjoy using this package!

Jalpa Soni

Sorry, scrolling trough the other comments gave me the answer. :) Thanks again.

Jalpa Soni

Thank you very much.. This is awesome, saved me a lot of trouble at the last moment!
I have just one small problem though, I have used ' symbol to get transpose of a matrix which is not being displayed as it is in the Latex file after using this style file. If anyone can help me with it, it would be great.


Gar (view profile)

Very useful! Thanks

Lazaros Moysis


Joey (view profile)

Very well written and documented. I followed the documentation and it worked flawlessly.

Thank you

Iftikhar Ali


Lazaros Moysis

That's genious! Does anyone know if there is a package to do this with mathematica code?


Georg (view profile)

Daeyun Shin

jyloup p

@Alon: mcode works perfectly with Bakoma Tex 10.40 (issued May 2014). Matlab code is tracked in both source and pdf display, except for selection in inline \mcode{....} but this is a detail.

Nice package, have been using it for a year. I noticed that if you have double quotes in a comment it doesn't work. Gives an Input Encoding error.


Sean (view profile)

Julien Cretel

@Yiang I suggest you ask your question on

Florian Knorn

Florian Knorn (view profile)

@Yiang: Maybe try comment out the "upquote=true" statement in mcode.sty ...

Florian Knorn

Florian Knorn (view profile)

@Michael: Nope, read the listings package docs why.

Good day. Is there a setting that allows for auto code wrapping?


Yiang (view profile)

Hello! I keep getting this error: \textquotesingle unavailable in encoding T1. If I remover the statements that include ' or "" it works but I need to keep the fprintf statements. Can someone help? I would appreciate it very much!

Florian Knorn

Florian Knorn (view profile)

Cheeky indeed. But good work! About time someone did this properly.

Julien Cretel

At the risk of being cheeky, I'd like to advertise matlab-prettifier my LaTeX package for typesetting Matlab code:

It improves upon mcode in a number of ways: the context-sensitive keyword "end", section titles, system commands, line-continuation token (...) all get highlighted correctly. I also plan to automate the highlighting of unquoted strings (e.g. "on" in "hold on") in a future release.


Stefan Karlsson

Stefan Karlsson (view profile)

%%%% fix the underscore ( _ ) issue %%%%

%%%% fix the minus ( - ) issue %%%%
\lst@CCPutMacro\lst@ProcessOther {"2D}{\lst@ttfamily{-{}}{-{}}}

Stefan Karlsson

Stefan Karlsson (view profile)

BTW, great work :)

Stefan Karlsson

Stefan Karlsson (view profile)

Until Florian gets around to fixing the "minus sign bug" for us, here is the fix spelled out for all:

1. open the style file
2. go to end of file, just before the "\endinput" statement, enter the following:

\lst@CCPutMacro\lst@ProcessOther {"2D}{\lst@ttfamily{-{}}{-{}}}

save file and start typesetting. Haven't experimented with this too much yet, but it has worked for my examples. The minus sign is correctly interpreted by matlab when you copy from the pdf.

Stefan Karlsson

Stefan Karlsson (view profile)

Until Florian gets around to fixing this for us, here is the fix spelled out for all:

1. open the style file
2. go to end of file, just before the "\endinput" statement, enter the following:

\lst@CCPutMacro\lst@ProcessOther {"2D}{\lst@ttfamily{-{}}{-{}}}

save file and start typesetting. Haven't experimented with this too much yet, but it has worked for my examples. The minus sign is correctly interpreted by matlab when you copy from the pdf.


Ofelie (view profile)

Thanks, it worked!

Florian Knorn

Florian Knorn (view profile)

@Ofelie: I suspect something with file and/or font encodings. Try this. Find this line in your local mcode.sty "{delta}{{\tiny$\Delta$}}1 % \Delta" and insert this below "{µ}{{$\mu$}}1 % \mu" (without the quotes of course). Does that help?

By the way, adding a "µ" to the mcode demo document half-works. While it doesn't seem to render on screen, it also doesn't break compilation...


Thanks a lot! It works pretty well.


Ofelie (view profile)

@Florian: This is the error: "! Missing $ inserted.<inserted text>$ ylabel('Voltage (µV)" It doesn't generate a pdf file if there are 'µ' signs in the code...

Florian Knorn

Florian Knorn (view profile)

@Ofelie: "An error" is not very descriptive of the problem...

Florian Knorn

Florian Knorn (view profile)

@Sevada: Have a look at the documentation (top of the mcode.sty file), in particular the "useliterate" option.


Sevada (view profile)

Thx a lot, it works really nice for me, but I have a small problem,
In my matlab code I have variable, which name is "delta" in latex it converts to delta simbol (the triangle). is there any way to fix that? Of course I can change the name of variable, but I used it in many different places...
Thanks in advance


Ofelie (view profile)

Thanks for the useful code! I got a little question: I used 'µ' in the comment of my matlab code and it gives an error in Latex. Do you have any idea how I can solve this?


adel (view profile)



Daniel (view profile)

Selcuk Fidan

Nice work! Thanks for sharing!


JH (view profile)


Thanks for the help (4.8 in particular). My apologies for making you repeat yourself, but the direction to the correct item in the listings doc is greatly appreciated.


Florian Knorn

Florian Knorn (view profile)

@JH: As I said many times before, please have a look at the listings documentation (type "texdoc listings" in a command prompt, or find it here:, Section 4.8 in particular.

Florian Knorn

Florian Knorn (view profile)

@Tony Almeida: Thanks for the pointer. The font size is static for each code block / inline code is static (it's set in the .sty file), so it doesn't change with context (such as in a footnote). As a remedy, I've updated the package for you to include a new \mcodefn{} command, which produces the inline code in footnotesize. Have a look at the mcode.sty for more details, in case you want to further adapt it for your particular application.

Florian Knorn

Florian Knorn (view profile)

@Alex: Not sure what your question is, but you can use this package for that purpose, provided you disable line numbering.


JH (view profile)

Hi, all-

Excellent package, but I don't know much about listings.sty. I am using the cut and paste approach to document my mcode in latex with the frame and line number options.

Does anyone know how to get contiguous line numbers from one \begin{lstlisting} block to another? Something like


%some matlab code

some latex text.

%some more matlab code



Alex (view profile)

Hi, if anyone can advise on the following matter: I would like to include an m-file in my dissertation so that afterwards it is possible to simply copy-paste the code from the generated pdf-file to Matlab?

Tony Almeida

This turned to be a great and helpful package!

One question (and maybe this is due to my lack of knowledge on LaTeX): is it possible to set the font size other than default size? For example, I need to place some code lines in a footnote, is it possible to reduce the font?

Florian Knorn

Florian Knorn (view profile)

Hi Tintin, not sure what the issue is. Try using the demo file provided and work your way on from there...

Tintin Milou

Thanks for the package. Somehow my minus signs don't show up when compiling the latex document even though I put them in the original (matlab) code in my latex source code. What could be the reason for that and is there a remedy?

Florian Knorn

Florian Knorn (view profile)

@Mike - automatic line breaking [especially with comments] is not supported by the listings package (which does the work under the hood). You unfortunately have to do that manually...


Mike (view profile)

Very nice package! For normal use it works like a charm.
However I got an error with multiline comments, where the frame/border got horizontally seperated.
This happened with a broad line, and the Latex things like pi in your example.

Great work though, keep it going!

Rodrigo: thank you for the comment, it helped me a lot. It was the case with the Hungarian letter á, now I could handle the error fortunately.


Great package ;)
For french users, I found that wich works perfectly with the 'M-code LaTeX Package' :
/!\ That's only allow you including m-code WITHOUT accents into a latex code which may have accents./!\



Bönnê jõûrnéeè ;)

Florian Knorn

Florian Knorn (view profile)

@ Jean: Have a look at the listings documentation (type "texdoc listings" in a command prompt, or find it here:, Section 4.4 in particular and the "linerange" option.


Jean (view profile)

This is a great package!
I just have one question.
I would like to insert snippets of MATLAB code into my thesis, which is a template document when calls all the chapters (separate .tex files). This package works great for putting a whole .m file in my index. But what if I want to just copy and paste a bit of the code into a chapter in order to explain it? Is there a way to do this, or do I just have to make separate little .m files for each snippet?
Best, and thanks.


Jimmy (view profile)

Zhongxian pan

This package is very convenient.

But I have some advice. When I used some other packages, I found the 'framed' code can't spread in two pages. So you can add '\lstset{extendedchars=false}' in the framed condition.

Florian Knorn

Florian Knorn (view profile)

Well, I'm an Apple Macintosh user and like TeXShop, but I'm not sure if the editor itself has anything to do with it.

I would try to compile the demo document that comes with the package first, and take it from there. Oftentimes it's simply a clashing between packages.

I work always with the code, It is just easier to have the live preview.
is there a different editor you can recommend?

Thanks :)

Florian Knorn

Florian Knorn (view profile)

@Alon: Sorry, but I cannot help you with BaKoMa TeX. LaTeX just isn't made for WYSIWYG, you're better off using the more traditional approach to this wonderful typesetting system.

I'ts a grate one!! though I have two problems.

I use BaKoma.
1. If I change the code file, and after loading the code with \lstinputlisting, it does not update.
2. If I save the file from the LaTex editor, it saves over the original file!!
Thank you for your help. :)

Matthias Thul


Florian Knorn

Florian Knorn (view profile)

Hi Bob,

That means there's still something wrong with your TeX installation (textcomp requires more than just a .sty file chucked in the same path).

If you can't get it working, you can also disable it, by removing / commenting out the following in mcode.sty:


as well as

    upquote=true, % upright quotes


Bob (view profile)

@Florian Knorn : Whenever I load this package I consistently get the following error:

! Package Listings Error: Option `upquote' requires `textcomp'package.
(Listings) The option has been disabled.

I've installed the textcomp package, as well as yours, and both sty files are in my tex directory.

Any help would be appreciated!


kevin (view profile)

@Florian Knorn : I double checked it and found the problem occured only when I had "\usepackage[papersize={3000mm,250mm}]{geometry}" in the preamble

Mustafa Isik

This is a much appreciated contribution. Thank you, esp. for updating it.

Florian Knorn

Florian Knorn (view profile)

@ kevin: Strange, I haven't observed this behaviour. Can you email me a minimal working example that reproduces the problem?


kevin (view profile)

The package is generally excellent except that I got one problem: there will be one line missing when the m file included is longer than one page; it seems something is needed to handle the page break issue

Joshua Stough

Worked great out of the box. Thank you

Florian Knorn

Florian Knorn (view profile)

@ Jon: Yeah, there's something wrong with your LaTeX installation. In particular, you are missing the "pcr" font (that's the Courier font used by the package to display stuff in monospaced font, similar to Matlab...).


Jon (view profile)

I can't get the demo file to work on a Mac installation using TexMaker. I get several errors similar to the following:
"! Font OT1/pcr/m/n/10=pcrr7t at 10.0pt not loadable: Metric (TFM) file not found."

Any ideas?


Aidin (view profile)

Great submission. Works pretty flawlessly.


Abel (view profile)

as advertised

Florian Knorn

Florian Knorn (view profile)

Thanks @Eric. I've had a look at getting the slim line working. Half got there using this "literate programming" string:


Problem: Cell comment (%%) must begin on the beginning of the line, but worse: the remainder of the line no longer gets printed in green. Not sure how you can use the "literate programming" feature but still trigger the comment-formatting...


Eric (view profile)

@Hussain - I agree - cell mode would be nice. Not sure how to add a slim line above but I did make a change so the cell delimeter (%% ) would make the line bold. Just change the follwing lines (starting at line 198) from this:

% ---------------------------------------------------------------------------------
% define colours and styles
\ifbw % use font formating and gray 'colors'
\def\mcommentfont{\color[gray]{.75}\itshape} %comments light gray and italic
  \lstset{language=matlabfloz, % use our version of highlighting
    keywordstyle=\bfseries, % keywords in bold
    commentstyle=\mcommentfont, % comments
    stringstyle=\color[gray]{0.5} % strings darker gray
\else% notbw => use colors : )
\def\mcommentfont{\color[rgb]{.133,.545,.133}} %comments in green
  \lstset{language=matlabfloz, % use our version of highlighting
    keywordstyle=\color[rgb]{0,0,1}, % keywords in blue
    commentstyle=\mcommentfont, % comments
    stringstyle=\color[rgb]{.627,.126,.941} % strings in purple

to this:

% ---------------------------------------------------------------------------------
% define colours and styles
\ifbw % use font formating and gray 'colors'
\def\mcommentfont{\color[gray]{.75}\itshape} %comments light gray and italic
  \lstset{language=matlabfloz, % use our version of highlighting
    keywordstyle=\bfseries, % keywords in bold
    commentstyle=\mcommentfont, % comments
    morecomment=[l][\mcelldelimfont]\%\%\ , % cell comments
    stringstyle=\color[gray]{0.5} % strings darker gray
\else% notbw => use colors : )
\def\mcommentfont{\color[rgb]{.133,.545,.133}} %comments in green
\def\mcelldelimfont{\bfseries\color[rgb]{.133,.545,.133}} %comments in green
  \lstset{language=matlabfloz, % use our version of highlighting
    keywordstyle=\color[rgb]{0,0,1}, % keywords in blue
    commentstyle=\mcommentfont, % comments
    morecomment=[l][\mcelldelimfont]\%\%\ , % cell comments
    stringstyle=\color[rgb]{.627,.126,.941} % strings in purple


Eric (view profile)


Hi there,
@Florian I've found a workaround for the accented character affair, it's a little bit tricky but it works: just added something like «{è}{{\`e}}1» to the «literate» list to show properly «è» without the utf8 encoding error (a real pain for us latin language speaker).
Probably there is a better way to solve the problem that writing down every possible accented character twice (literate option on/off), but it's the only one that worked for me so far; even changing MATLAB encoding didn't work.
Great submission, by the way.


kpi (view profile)

Thanks, I like the formatting and would like to use it but I also have listings in more than one programming language in my latex document. The Matlab syntax highlighting seems to be used for all listings. How can I select only Matlab listings to format with mcode syntax highlighting?

Florian Knorn

Florian Knorn (view profile)

@Juan: Not sure why you are having this issue. The package should load the textcomp package in case \textquotesingle is not defined already. Try manually including the textcomp package before loading mcode to see if that helps...


Henrik (view profile)


Excellent package! It is everything I hoped for and more!

ageage Juan

Hi Florian,
I am using Lyx, and got an error message in the text below, when I tried to show the following one-line .m code: fprintf ( 1, ' Hello, world!\n' );

In the error message, it shows that LaTex Error: Command \textquotesingle unavailable in encoding T1. And the corresponding description shows more detail as follows:

"fprintf ( 1, '
                Hello, world!\n' );
Your command was ignored.
Type I <command> <return> to replace it with another command,
or <return> to continue without it."

Do you have any idea of what is going on? Thanks!!

KJS Verlinde

Awesome package. thanks a lot!


john (view profile)


Hey Florian,
cool tool! It worked when I changed 'utf8' to 'latin1'. I'm excited if this will work with all other usepackages I need...
But, nevertheless, great job!

Sorry, never now!


Thanks alot, Florian; this code is incredibly easy to use!

Although, an update to reflect cell-mode which uses prints a slim line above commented lines beginning with %% would be a nice addition.

Florian Knorn

Florian Knorn (view profile)

@Mikkel, Sorry, not quite sure what you mean. Why would you want to break a path (?)


Mikkel (view profile)

I have e problem with the linebreak. I can see that you write in the mcode.sty that it is buggy, and don't break comments correctly.
I can't make it break the path from witch I'm reading a file. It there some way go go around that? or is it just bad luck that i don't work?

other than that, great work :D

Thank you very much Florian!

Florian Knorn

Florian Knorn (view profile)

@Adam: Thanks! That's exactly what I designed it for. Quick and easy deployment. Save other people the hassle of tweaking the listings package's settings.


Adam (view profile)

Florian, this is perfect. Worked perfectly! I used it for my Masters' thesis, and it was a godsend!


Dan (view profile)

Beautiful...worked perfectly. Now it's everything I needed. Thanks so much Florian.

Florian Knorn

Florian Knorn (view profile)

@Dan: Try replacing the command defining the default font to be used by something like this:


In the \fontsize command, the first number is the fontsize and the second is the line spacing (roughly speaking), so play around with the numbers a bit until you like the result.

It appears, however, that some number combinations don't play nicely with framed listings. I don't know why this is the case; this is an issue with the listings package.


Dan (view profile)

Top notch...looks beautiful. Thanks! Ok, one question. My code is 300 lines long and I don't want it to take up 9 pages as is (and yes I need it all). I've never even looked inside a .sty file before, but after a little looking around I found that the first line after Customize Below lets me change font size. But the lines are still spaced like the rest of my document (which is huge). How can a decrease the line spacing?


Joana (view profile)

I had also the same problem with the text lines in the m file being too long. Thanks Laurens!


Joana (view profile)

That works so nice! thanks a lot!


Bjørn (view profile)

Thanks for this great package!

Florian Knorn

Florian Knorn (view profile)

Hi there, can't investigate this right now, but to remove this feature just uncomment line 228 of the current version (2.2) of mcode.sty.


Maciek (view profile)

Excellent package!

Not sure if this can be categorized as a bug, but the tilde character used as a placeholder, e.g. [~,output2] = function..... is translated into a negation sign which you get with $\neg$ in Latex

Rob H

Rob H (view profile)

Many thanks Florian. This has saved me hours making beamer slides for my students.

I do get an options clash when trying to use "bw" but can't trace it - small worry!

Ana Pabon

Thank you!

Dear Florian,
Many thanks for your job. It saved me a lot of work after being lost for some days with my thesis.
The package is Amazing!


David (view profile)

Thanks Florian, you made my day!

Florian Knorn

Florian Knorn (view profile)

@Maxi: You can indeed do this provided you use the original command provided by the listings package. So have a look at the .sty how the \mcode command is defined. Basically, in your example, instead of using \mcode, use this:

\lstinline[basicstyle=\lstbasicfont\small]|Test={'hans' 'peter'}|

Quiet Amazing! Does somebody know how to transform cell arays into latex for example
Test={'hans' 'peter'}
/mcode{Test={'hans' 'peter'}} does not work...

Cory Simon

Amazing. Thank you!

Florian Knorn

Florian Knorn (view profile)

@ Axel: Sorry, still not sure I understand your question. Can you email me directly? Thanks.

Now I'm embarrassed, I didn't see the .tex-demo untill you mentioned it. But actually it still doesn't solve my problem, just made me conscious that I wasn't very precise:

I have a mile long matlab code which I'm implementing in an appendix using

Is there a way not having to write the code directly in the .tex-file to get the fancy LaTeX typesetting?

Florian Knorn

Florian Knorn (view profile)

@ Axel: Thanks for your kind words. Have a look at the demo-document included in the package. It shows quite clearly how you can get LaTeX to parse fancy stuff in your comments.

Dude, this is sweet! Thanks for this awesome package! Showed it to my (lab) partner, and he was extatic!

The only "draw-back" for me here is that LaTeX refuses to typeset my matlab comments in LaTeX style. That is, neither
 - %Sets $k_1$
 - %Sets k_1
gives out the number as subscript. I'm working with Texshop for mac. Could you (or someone) please help me out? Thanks! =)

David N

Florian Knorn

Florian Knorn (view profile)

@ Niko: Again, my package isn't doing any work, it just configures the listings package for you. Anyway, I just had a look at the listings documentation for you. I didn't see an option for this directly, but what you can do is add in your case firstnumber=6 to the \lstinputlisting options to have the numbering start with 6. This will do what you want.


Niko (view profile)

Thanks Florain, this package works really great!

One question, though: I include some code from a .m file like this
\lstinputlisting[firstline=6, lastline=18]{myscript.m}

Your package will display line numbers, but they are always numbered starting with 1. In the example above, it would be great to see the actual line numbers as you would see them in the Matlab editor, i.e. numbered from 6 to 18. Is this possible with your package?

Malcolm Lidierth

Worked a treat - even for this LaTeX newbie. It took me a while to click that some of the things I wanted (like controlling whitespace) were available by using options available already in the listings package

(Should have read the help int the sty file more carefully!)

Thanks! This is a very thorough piece of software extension. Works right out of the box, just follow the instructions in the pdf document included.

Ivan Brezani



simmal (view profile)

Florian Knorn

Florian Knorn (view profile)

@ Oscar -- sorry to disappoint you, but the listings package doesn't handle unicode, as far as I know.

bcoss COSS

I've narrowed my error above down to an issue with adjusting the line spacing in footnotes and figure captions from 1.5 (body) to 1. Hard to replicate, will most MWE if I get one.

bcoss COSS

This package works great on its own, but I can't get it to work with my thesis. I suspect there must be some kind of conflict with my loaded packages. The error I get is: ./chapter1/source/section1-4.tex:8: LaTeX Error: \begin{document} ended by \end
{figure}. This happens with any figure in the thesis, as long as its the first one. The document compiles fine if I comment out the mcode usepackage and mcode content sections. Any help please?? I am stumped, spent almost 4 hours on this already. Thanks.

I am using the document class and the packages I have loaded are:
\usepackage[center, format=plain,labelsep=period]{caption} %Fixes Figure label, Figure #: to Figure #.
\usepackage{subfig} % multiple figures in a float
\usepackage{xfrac} %better math fractions
\numberwithin{equation}{section} %number equations according to the sections
\usepackage{float} %float package
\usepackage{epstopdf} %support for eps to pdf with pdflatex
\usepackage{array} %table array support
\usepackage{multirow} %advanced table rows and columns
\usepackage{fixltx2e} %float placement fix
\usepackage[a]{esvect} %vector symbol support
\usepackage{appendix} %appendix support
 \usepackage[super, numbers, sort&compress]{natbib}

Having problems with å, ä and ö. They are replaced by a simple space. Any ideas? Using this in my Latex-preamble:

Other than that, works like a charm!

Better still, use

228 {~}{{$\sim\,\,$}}1 % \neg

@ Florian: that just gives you a tilde. What is needed is $\sim$.

I made this change in mcode.sty:

226 \lstset{%
227 literate=%
228 {~}{{$\sim$}}1 % \neg

Florian Knorn

Florian Knorn (view profile)

@ Emil: Comment out Line 229.


Emil (view profile)

A great package Florian! Being a complete beginner to LaTeX I don't dare messing with your .sty file.

Could you - or anyone here - tell me how I need to modify it if I want to display

[~,ind] = max(vec);

properly? The tilde does not show up the way it should...

Thanks a lot


Bruno (view profile)

Hi Florian,

Thank you very much for your file! It is really great! I would like to propose a workaround for the proper highlighting of the word "end" as a keyword and not as the last element of an array. My \lstset command looks like this:


Notice the last "morecomment" lines. They "cheat" by saying that if you find any of those combinations, then make them black.


Florian Knorn

Florian Knorn (view profile)

@Sweidan: So far no; might look into it one day, but have no time for that right now, sorry!

Sweidan Omar

Dear Florian!

Is your package available in the TeX catalogue, so I can use it with TeX package manager?

thanks, and keep up the good work

John D'Errico

John D'Errico (view profile)



Thanks Florian, This is a very useful tool!

Florian Knorn

Florian Knorn (view profile)

@ Petr: Thanks for the hint. I could have seen this earlier ;-) Anyway, just revised the package to include this (check documentation).

Petr Nechaev

Thank you! Great tool!

This patch corrects long code line handling:

--- C:/Program Files (x86)/MiKTeX 2.8/tex/latex/mcode/mcode.old.sty Tue Mar 15 13:16:32 2011
+++ C:/Program Files (x86)/MiKTeX 2.8/tex/latex/mcode/mcode.sty Tue Mar 15 13:33:53 2011
@@ -218,5 +218,10 @@
+\lstset{ % deal with long code lines
+ breaklines=true, % break long code lines
+ breakatwhitespace=true % ... only at whitespace
 %% End of file `mcode.sty'.
\ No newline at end of file


Hani (view profile)

Thanks it is really nice and easy, but it seems to me that if you have a long code line, there will be problems.

Serdar Tombul

Perfectly working. But it would be good to add the wordwrap feature as sometimes the code might be longer than the textwidth.



Fantastic latex module. I have one issue with the syntax highlighting though; when I clear a variable with the code

clear varname

in Maltab, the variables are in purple. I thought that this might be the package not understanding the method of passing variables in the form of

function 'char_variable' matrix_variable

as opposed to


but when I write the code

load 'data.m'

It formats the 'data.m' in purple as I would expect. Maybe it's just something curious about the clear keyword.

Great package though! Thanks!


Jerome (view profile)

Florian Knorn

Florian Knorn (view profile)

@ David: Sorry, try to install the listings package properly; the package requires more than just the .sty file as far as I know...

David Hann

I can't seem to get even the demo to work.
I downloaded listings.sty into the same folder from google and all the other packages
! Undefined control sequence.
\lst@SelectCharTable ...eveloperSCT \lst@DefRange
                    \ifx \lst@Backslash \relax...
l.25 ...demo \mcode{for i=1:3, disp('cool'); end;}
                    uses the \verb|\mcode{}| ...

! Undefined control sequence.
\lst@SelectCharTable ...eveloperSCT \lst@DefRange
                    \ifx \lst@Backslash \relax...
l.29 \begin{lstlisting}
! Undefined control sequence.
\lst@SelectCharTable ...eveloperSCT \lst@DefRange
                    \ifx \lst@Backslash \relax...
l.31 ...font\LaTeX in it: $\mcommentfont\pi x^2$§
here's the errors i can find
I'm using MikTex 2.8 on windows 7


Nick (view profile)

@ Florian: Thanks for the debugging! I will try and set MATLAB to UTF-8 encoding.

Florian Knorn

Florian Knorn (view profile)

@ Nick: Ok, figured it out -- your m-file needs to be in UTF-8 encoding for some reason (the one you sent me was Windows Latin 1). Not 100% sure why this makes a difference (but I suspect it has to do with the way the section sign § is encoded), but this will fix it for you. As an alternative, you could try to use a different math-escape character.


Nick (view profile)

Ok here's my files. I also put mcode.sty in the .zip file. I suppose it's the same, but you never know.

Thanks in advance!

Florian Knorn

Florian Knorn (view profile)

Hm, looks like you do have the most recent version of listings. I've just tried it myself with the demo document, including some external .m file with § \LaTeX § in it and it works fine...

Have you tried including just a very simple m-file? Do you still get the same problem?

It's hard to debug things this way, maybe you can throw together a minimal non-working example so I can see for myself...


Nick (view profile)

The .pdf that opens (in MiKTeX prog files) says:
The Listings Package
Copyright 1996–2004, Carsten Heinz
Copyright 2006–2007, Brooks Moses
Maintainer: Brooks Moses <>
2007/02/22 Version 1.4.
Does that help?
The thing is, when I typ MATLAB code in texworks itself everything works as it should. It is only when I try to load an m-file that things go pear-shaped.

Florian Knorn

Florian Knorn (view profile)

@ Nick: Hm, works find for me... What version of the listings package are you using (try "texdoc listings" in a command line)


Nick (view profile)

Hey Florian,

Great package, but I have one small problem. Whenever I load my m-file I can't use LaTeX typesetting by using § \latex §. It is nog recognized. Also not in your demo file. And when I set mathescape to true it recognizes math mode, but it typesets the math stuff in black. Help?

Thanks for sharing it Florian. I just used it in the documentation for a package I've wrote and it looks beautifull.

 Huge thanks, Florian, it is a great soft! Works smooth like a charm.


This looks great - I have not tried it very much yet, however. Maybe you should consider putting this on CTAN.

Florian Knorn

Florian Knorn (view profile)

@ Zhenyu -- glad you like the package. Replacing "delta" by "Δ" is actually intentional. But If you don't want that, simply remove the line "{delta}{{\tiny$\Delta$}}1% \Delta" from the file.

Zhenyu He

Great package! I have a question about using it. In my mablab code, I have a variable name 'delta', and it becomes a triangle in pdf file. I tried that 'Delta' is fine, 'omega' is fine. But 'delta' is not. How can I solve this problem?

Easy to use and polished output, also saves space over using \verbatim! Thanks very much for writing this!

Ken H

Ken H (view profile)

Ah hah! As with so many of us, you could have just said "Read my demo, dummy." For some reason your section symbols show up as "§" (that is, preceded by a A with a carrot) on my computer and when I left that symbol off, the escape didn't work. Thanks for your patience!

Florian Knorn

Florian Knorn (view profile)

@ Ken H — thanks for your positive comment. I've had a look at your problem, but I can't reproduce it. Using my demo document (see link at the top), leaving mathescape=false as set by default in the document and including the tipa package, I can simply type §\textpipe§ to get the pipe showing up just fine. Not sure why this is not working for you... Try with the demo document, as this is a very barebones document. If it works there, but doesn't with your document, then it's almost sureley some package clash...

Ken H

Ken H (view profile)

Ken H

Ken H (view profile)

This is just a ridiculously, remarkably useful and streamlined package. Thanks so much for putting it together.

I hate to ask such a simple question, but I've googled my head off and can't get it: the mathescape doesn't work for me! I change the .sty file to say mathescape=true,escapechar=§, but when I type §\textpipe§ within a {lstlisting} environment, I just get "\textpipe" when I compile. If I add dollar signs, I get a pipe that looks right, but if I try to cut and paste if from the .pdf, it doesn't copy correctly into the new document. However, if I use the \textpipe command in the regular latex environment, cut-and-paste works fine.

In fact, even using §x^2§ in the {lstlisting} environment doesn't produce formatted text. Either $x^2$ or §$x^2$§ works, but that solution doesn't work for the symbols I need...

I'm using the tipa package for the \textpipe.

Thanks so much to anyone who can help!

Florian Knorn

Florian Knorn (view profile)

@ Thomas — There's no difference between the operating systems. The easiest way would be to just put it in the same path as your .tex file . . .

I used mcode.sty on my windows pc and it is brilliant.

But use it on my new mac with texmaker / texliveutility.

Does anybody know how to add this package ?

Florian Knorn

Florian Knorn (view profile)

@ Ariel — How the heck can I know which keyboard you are using? That § symbol is called "Section Sign" ( and on my Mac Keyboard (US layout) I can get it by pressing Alt + 6

Ariel Balter

Ariel Balter (view profile)

Can someone please tell me what the heck that symbol is to escape listing mode and insert LaTeX in my code listing? More importantly, how the heck to I type it?

Florian Knorn

Florian Knorn (view profile)

@ Fritz: Sorry, as far as I know the listings package doesn't support automatic line wrapping... This means, you'll have to manuall edit your code to make it fit into your code "box" (for me that's about 78 characters for instance). A little tip: Over in the MATLAB editor you can set a character per line number after which you can have stuff automatically wrapped, or you can wrap things manually but use the vertical line it produces in the editor as a guide...

Fritz Diorico

Hello! This is really great. Thank you very much for this. I just have a small question. Some of my lines are really quite long and when I compile my tex file, the code is printed out to the borders of this page. How can I wrap the long lines of my source code? Sorry if this is a question due to lack of the LaTeX knowledge. Thanks.

Thank you so much.

Kamil Wojcicki

Kamil Wojcicki (view profile)

Works great, thank you.

Florian Knorn

Florian Knorn (view profile)

@ durg ch: Please see the file description above, at the end of it is a download link to a small demo document (including LaTeX sources) where you can see how the package is used . . .

durg ch

Hi,Can any of you please tell me how to insert the matlab code into latex file which I have already written.I Have seen the above comments but I ddnt get it clearly.Do I need to install anything else.Please do suggest in a clear manner by considering me as beginner.Thanking you all.


Jared (view profile)

Forgot my comment. Worked great. Thanks for writing. I found that a floating figure was placed in the middle of the code box so the code was split. Just used \clearpage to prevent the floats overlapping.

Worked perfectly!

André Brito

was anyone able to make it work together with MiKTeX 2.8?

Jan Fousek

Very useful. To be able to use it with beamer class, I had to use [fragile] atribute on the frame containing the lstlisting block.


Milan Rapai

Milan Rapai (view profile)

Great work


Alex (view profile)


Kevin (view profile)


viktor (view profile)

Heej Florian,

Windows does use backslashes but because ' \ ' js a latex command you have to use '/ ' it is just weird that

\graphicspath{C:/Documents and Settings/All Users/Documents/My Pictures/Sample Pictures/}

works fine. it is able to find the pictures. but when i type

lstlisting{D:/my documents/MATLAB/plotter.m}

 it is unable to find the file but when you type

lstlisting{D:/latex/mfilefolder/plotter.m} (so with no spaces) it works fine. Thanks for the help but i will try to ask the listing developers

Florian Knorn

Florian Knorn (view profile)

Hi Viktor, I don't think the listings package has that feature, sorry ...

I don't know how exactly you have to specify the path on Windows systems, but I always thought Windows uses backslashes ( \ ) in the path names, not forward slashes ... Could that be the problem?

Otherwise, I can't really help you, sorry ! Maybe ask the developers of the listings package ...


viktor (view profile)

Hello i am still using this package with great pleasure but is there a way to specify the path where the package looks for the files? just the same with graphics

\graphicspath{C:/Documents and Settings/All Users/Documents/My Pictures/Sample Pictures/}

\listingspath{C:/........} (doesn't work, already tried}

because if i type the full path name within the lstlistings{...} command it does not work. I think it is due to the fact that the path name has spaces in them. Is there a way to solve this problem in the same way with graphics?

Ita Atz

Hi! where can I get the lastest version of lstlisting?
I read that it would solve the upquote probelm!
I'm writing my thesis and I have to include a lot of matlab code with '...', so I really need it!!

Thanks for helping

Florian Knorn

Florian Knorn (view profile)

Updated the demo document.

@ Rasmus: I've shuffeled things around a little bit in the source code, and added a description to make it really clear how to change the font size.

@ turker: I've modified the "solution" to the end/end problem; you can now use "iend" in the source code to get "end" typeset in black (when used to reference the last element in vector...)

@ All: If you use the LaTeX escape functionality in comments, there's now an easy way of getting that typeset in the same style as the rest of the comment, see the demo document ...

Works very well.... I think it would be good to include a guide on how to change the font size. I found it, but it was not that easy.


Cat (view profile)

Great thanks so much, I've got it to print smaller. The code is wonderful!

Florian Knorn

Florian Knorn (view profile)

@ Cat: Replace the "\footnotesize" in that line by "\tiny". That's as small as it gets with standard fontsize commands. If you need even smaller fontsize, you'll need to remove this "\footnotesize" and replace the first line in the Config-Section with something like "\def\lstbasicfont{\fontfamily{pcr}\fontsize{3}{4.6}\selectfont}"...


viktor (view profile)

never mind. already guessed it!
just add \lstinputlisting[firstnumber=5,firstline=5,lastline=8]{plo..

now i dare to say the file is perfect, it saved me a lot of time!


viktor (view profile)

The file works great all over the document, also in the appendix. so thank you Florian!

but i have one question, if i only compile a small part of a m-file for instance \lstinputlisting[firstline=5,lastline=8]{plo... is there a way to edit the numbering in the latex file because it always starts with 1 and not the original line number from the m-file


Cat (view profile)


I was just wondering what change you make in the "% use font and smaller size" comment in the sty file to make the m-file font smaller. Thanks for the great code!

Uwe Lelke

@ Daniel: You may wanna take a look at the following programm:

which takes care of the three-dot-, the end-as-index- and several other little problems as well.

Florian Knorn

Florian Knorn (view profile)

@ Lagrange: I've used the package in the appendix many times and it works fine. I suspect (because of the upquote error message) that you have a slightly outdated version of the listings package installed. Make sure you have the latest version.

@ Daniel: I know, I know, I'd love to have this fixed too, but such functionality appears to be quite unique to the Matlab scripting language, and the listings package (which does all the work) does not support such behaviour. I've mailed the package maintainer already, but he never got back to me...


Daniel (view profile)

Brilliant, thank you! One issue though - I can't seem to get my "..." in the m-files to show up as blue.


Downloaded now the newest version of mcode, which gave a little more information about the error. Any ideas?

[LaTeX] finished with exit status 1
./mcode.sty:181:Package keyval Error: upquote undefined. }
./Thesis.tex:50:Undefined control sequence. \begin{document}
./Thesis.tex:50:Argument of \caption@make has an extra }. \begin{document}


Sorry c&p the wrong error message:
./Thesis.tex:51:Undefined control sequence. \begin{document}

Y is there no "Edit"-function?


Really great job - looks really fancy and works as long as you use it in a document. I have trouble using the package in the "Appendix":
./appendix.tex:5:Environment lstlisting undefined. \begin{lstlisting}


Thanks for this great LaTeX package!

I wanted to include a m-file which has very long lines, too long to display in a single line in my document. After reading the listings user reference I found how to do this:


you can also show only a few lines, for example only line 4 to 15 of the file.m file:

\lsinputlisting[firstline=4, lastline=15]{file.m}

Florian Knorn

Florian Knorn (view profile)

@ Alvin: Sorry, I never got the error you have. But thanks for pointing out a work-around, for those that do not have a "proper" TeX installation, including all fonts and map-files. You're right, the 'textcomp' package is only there for the upquotes. The idea of using that comes straight from the listings documentention (Section 4.7).

@ turker: Thank you very much for sharing your work-around for the 'end'-issue. While it's not too sleek, it works very well! Unfortunately there's little I can do to fix this in a more elegant way. As I said many times, the actual work is done by the listings pacakge, and as far as I can see it doesn't support different colouring of the same keyword...


turker (view profile)

though one solution is replacing end lstlisting environment with:
§\fontfamily{pcr}\selectfont end§


turker (view profile)

as uwe already mentioned, 'end' is not always used to finish a control statement; for example it is also used to indicate the last index of a matrix. in this type of situations m-code still prints the 'end' in blue. either package should be improved or a way should be created by which user becomes able to the change colour manually. (e.g. \textcolor doesn't work in lstlisting environment.)


Alvin (view profile)

It seems the textcomp package is the issue. A proper map file has to be found for the font. As a suggestion user cm-super to fix it. Otherwise if you're lazy like me use the courier package and get rid of the textcomp package. This comes with a warning though, since you can no longer use the option 'upquote' to make upright quotes.



Alvin (view profile)


I noticed the m-code package creates a bug in the itemize environment. When I included the m-code pagkage the itemize environment is corrupted. Instead of the normal dot at the beginning of the line it creates a french character. At first I thought it was something to do with my latex doument, but then I i created an itemize on the demo m-code and the same bug exists there too. Is there any way to fix/bypass this?


Bernd (view profile)

exactly what I was searching for

Uwe Lelke

not bad, but there are still problems with recognizing keywords and strings correctly

Erik Erikkson

Note: For anyone wanting to include physical units and source code in the same report.

Use of the textcomp package in this file (required for 'upquote') breaks \celsius used by gensymb, siunitx and other unit packages.
Temporary fixes are to either use $^\circ$C in place of \celsius, or to set upquote=false and comment out the following lines in mcode.sty.


This is hopefully a temporary fix until Florian's next revision.

Erik Erikkson


A possible workaround for the coloring issue I mentioned above, is to replace all instances of code of the type:
hold on
format rat
legend boxoff
with the equivalent function calls:

This way the code works the same way, and the syntax coloring in LaTeX is perfect.


Another thing I noticed is when you use ... to split an expression over several lines. In the matlab-editor they are blue, while they appear green in LaTeX.

This is just nitpicking, but it would still be nice!

Hope you can have a look at this issue as well, since I have no idea how to implement it myself.


Btw the lack of coloring also applies to other things, like
hold off
syms x y z


This worked excellent, and the code becomes very nice in LaTeX.

The strings are given the correct, purple color, but when you use the matlab command:
hold on
the 'on' is given the same purple color in the matlab editor, but not in the LaTeX file. Could you please take a look at that?

I would also recommend commenting out the delta sentence from your source code. I think the majority would prefer keeping their original variable names.

Florian Knorn

Florian Knorn (view profile)

Sorry Andrew, that feature would have to be provided by the listings package...

Andrew Wind

Excellent tool.

Does anybody have a fix for adding the cell (%%) formatting? I'd like the horizontal rule and the first line bolded as it appears in the editor.

Ariel Balter

Ariel Balter (view profile)

I found out how to add labels, captions:

\lstinputlisting[label=lst:mylable, caption={\mcode{mycode.m}}]{mycode.m}

I am still having trouble with a "p" float. The code runs off the bottom of the page and does not continue. Is there a switch somewhere to help with that?

Ariel Balter

Ariel Balter (view profile)

Thanks so much for making this! Found a small bug -- after using \lstinputlisting{...}, the environment \texttt{...} doesn't work anymore. I overcame it by using \mcode{...} because that was sufficient for what I needed. But perhaps someone can fix the problem.

Does anyone know of a way to have a \label to be able to \ref to a listing, a title for the listing such as:
Listing 1.
and a caption?

Thanks, Ariel


Thomas (view profile)

Hi there,
I like this package. However, I use a lot of apostrophes like [lpfb,lpfa]=butter(6,100/fn,'low') in my m-file. If I use normal documentclasses such as book, article or report I do not have any problems in compiling.
BUT, when I am using the documentclass "beamerclass", I cannot include any m-files, if there are any apostrophe (') in my m-file. After removing all apostrophes latex can integrate my m-file.
Do you have the same problem? Does anybody know, how to solve this problem.

I used a simple example:
butter.m containing: [lpfb,lpfa]=butter(6,100/fn,'low')



Help appreciated!
Cheers, Thomas

michele pace

great work, it saved me a lot of time. Thank you.

Beautiful Work. Thank you.

Nevermind...I just found the "literate" section and commented out the {delta} example. :) Great program!

I have a parameter called "Ndelta". This program converts everything properly, except for all instances where this parameter is, it shortens it to 2 characters: N and the symbol for Delta. In other words, instead of spelling out delta, it gives the symbol Delta. Otherwise, fantastic program! I love it!!

Florian Knorn

Florian Knorn (view profile)

Thanks for pointing that out, Roland.

As I'm getting a lot of requests as to how to actually use the package, I've now thrown together a small demo-document --- I guess an example says more than a 1000 words ;-)


David Legland

David Legland (view profile)

Roland Kaufmann

A note on its usage: If you save your file in UTF-8 format (default on many Linux systems), then escape-to-LaTeX using the section sign will not work properly. You'll have to use inputenc with e.g. latin1 option in LaTeX and then make sure your files are saved in that charset (%%% coding: latin-1; local variable in Emacs for instance).

Jason Moyle

Great. Just what I needed. Easy to use and saved me heaps of time when writing my thesis.

Dan Barker

Works great, thanks alot :)

Just a couple of suggestions, (i) words that come after a command that aren't in parenthesis should be highlighted purple, e.g. in "hold off", the off would be purple. (ii) is it possible to add a nice heading that says what the file name is or something?

Al Makedonskiy


Nikola Toljic


Bill McKeeman

Lovely. I had a lot of trouble just getting the dot-sty file into usable shape. After the download I had an email message wrapped around an HMTL file inside of which was a tab-infested STY file with many =D3 and other character renamings. The text spanned 150 columns. It took about an hour to comb all the gratuitous shrek out so I could use it. Thanks. /s/ Bill

Val Schmidt

This works great, except it doesn't respect a \begin{singlespace} directives. Any idea how to include matlab code into a double spaced document, but have the code itself come out single spaced?
Thanks, Val

Alessandro Farini

Very good! Easy to use and very useful

Mira Mitra

Raynor Vliegendhart

It works great. Only one slight problem though. It doesn't really like dollar signs in comments. (But that can be circumvented by escaping to LaTeX and then escape the dollar sign).

Michel de Jong

Thank you very much. Looks great in my reports ;-)

Ferry K

Great Work! Works like a charm.

Nash Borges

amazing! i was looking everywhere for something simple to include some matlab code into latex and this is perfect!

Florian Knorn

Of course it is, use the \lstinputlisting command... Glad you find it useful :-)

Long Chen

Great. You can dig into sty file to change the font and spacing. I like the $$ in comments a lot.

Is it possible to link to m file directly in latex? Then the comments will be automatically updated if I change the m file.

Florian Knorn

@ Emma: Of course it is, look at the line with the comment "% use font and smaller size"...

emma thompson

This was great!! Perfect for my thesis! But is it possible to change the font size??

Florin Stoican

just what I needed

Florian Knorn

@ Sara: just put it into the same path as your tex file. Other than that, do some more reading ;-) Good Luck!

Sara Bernardez

Could anybody tell me how to install or whatever this .sty file, please?I'm new with latex and matlab.I get how to use it but I need Latex to reconise the file.Thanks.

faraz mirzaei

Thanks. This is great. You just need to put your code between:

or use \mcode{YOUR Code} for inline use.

This is very good and convenient.

fernando falconi

Thanks Florian ..your program is the best!!!

Micke M

Just put the file in the same place as the tex-file and it works great. Also keep track of how many caracters that fits in a line...

sebastian swose

working well. thank you a lot!!

Micke Malmström

Where do you put the file and how do you use it?

Julia N

So useful for my thesis - thanks a lot, Florian! My modification is to include both bold/italics AND colors for bw printing of color document. Achieved by upgrading 'else' statement in \bw to have these commands:

Someone Somewhere

I've discovered that the figures in the document will disappear when using
at the same time

Someone Somewhere

Use of this package causes all figures in the document to disappear. Anyone know what's up?

Rafael Fuenzalida

Great package for latex!!!!!

Florian Knorn

Thanks Mat Odijk for the tip! I shall mention it in the preamble ;-)

@ User with no name: As I have very little background info on your situation, there's little I can do. But the problem might be that to large mcode-blocks mess up your float-placement. So I would suggest you try to make the mcode-blocks float aswell (there is an option for that in the listings package).

not given

Worked well making the matlab look cool but screwed up the pictures the whole way through the document. Probably my lack of Latexing skills but I couldn't work out how to fix this.

Mat Odijk

For people who want to insert matlab code files (.m) directly use:
instead of the command's given in mcode.sty

Daniel Ennis

Excellent. Worked as advertised. Thanks for putting this together.

Doris Jimenez



Added more MATLAB keywords, fixed frame colour problem


Added support for µ, get a nicer looking tilde character, included Stefan Karlsson's fix for the minus character issue (thanks!!).


Renamed internal variables in order to prevent conflicts with other packages.


Added the \mcodefn{} function for placing inline code in footnotes.


Added more keywords for syntax highlighting.


Small bugfix


Finally "end" and "end" are automatically told apart and coloured correctly.


Now supports automatic line breaking. Added two new options, and now included the demo document in the download.


For some reason, the listings package replaces the normal "minus" by a "math minus", which causes problems when you want to use the source code from the final pdf in an application again . . .


Fixed typo in documentation regarding §...§


Added MATLAB block-quote support (which a user kindly pointed out to me): %{ block comment %}


Tweaked some descriptions, added feature to distinguish formatting between "end" and "end" to either end a clause or access the last element in a vector, updated demo document


A user pointed out a problem when this package is used together with the beamer package, which is now fixed.


I've added the link to a demo-document that shows how to use the package.


fixed misconfiguration, further tidied up source code and comments

added a setting to make the appearance cleaner, and also added a little tip by one of the users.

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