13k views

### Protect text in PDF from being copied [duplicate]

Possible Duplicate: PDF with un-copyable text What is the most effective ways to protect text in a PDF from being copied with Ctrl+C? I know about standard PDF copy protection, and also know ...
114 views

### Deny copy in pdf [duplicate]

I want to create a pdf file with non-copyable properties for text. It can encrypt text to some code (such as ASCII), deny copy paragraph. I found some examples on web about this. I must use font 13pt ...
95 views

### TeX - make copy/paste difficult? [duplicate]

I have a christmas question for you. I have now tried to copy paste some elements from a document compiled in TeX. Sometimes it looks like this: ❆t ❧❛st✱ ❛♥❞ t❛❦✐♥❣ t❤❡ r✐s❦ ❛ ❜❡✐♥❣ t♦♦ ❛❜str❛❝t✱ ■ ...
93 views

### obfuscate latex->pdf document [duplicate]

Is there any package that can easily allow you to obfuscate a Latex->PDF generated document such that copy-paste is not longer possible and produces random letters for instance. And if yes, is it ...
72 views

### How i can tranform my PDF file so that it will not be readable by the system [duplicate]

I see one document (PDF), when i try to copy its text (one paragraph), it gives me as: Theunderlyingproblemisageneralmodelselectionproblem,wherewehavetocompare ...
21 views

### Randomising mapping to glyphs in pdfLateX / XeLaTeX [duplicate]

I've noticed that when using the MinionPro package, some glyphs like ligatures and oldstyle figures would be mapped to another character. For example, compiling \documentclass{article} \usepackage[...
71k views

### What is XeTeX exactly and why should I use it?

I have been using LaTeX for five years now and have been using PDFLaTeX ever since. I find it hard to monitor the progress of LaTeX development. Recently there is a lot of talk about XeTeX. What is ...
5k views

### Is there a package to secure rendered pdf with a password?

Is there a package and command that can secure rendered pdf with a password?
565 views

### Transform existing text into blind text or gibberish keeping format (wireframing)

Suppose I have a document that took me a while to design and write. Now I want to show someone the overall format and length of the document but I don't want this person to read or even be distracted ...
2k views

### What can cause generated PDF document whose text are not correctly copyable?

I was wondering why some PDF documents compiled from some LaTeX code does not make its text correctly copyable, i.e. what you can get is nonsense text? For example, this pdf document (I don't have the ...
5k views

### Small-caps, old-style numbers, and some ligatures produce odd symbols in PDF copy text?

This is a problem I've had consistently with XeLaTeX. Here's a small example: \documentclass{article} \usepackage{fontspec} \setmainfont[Ligatures=TeX,Numbers={OldStyle,Proportional}]{Minion Pro} \...
1k views

### Obfuscation of @ and . in e-mail addresses

I manage style files for an academic journal. A typical article will contain authors' email addresses, which we attempt to obfuscate in order to give some measure of protection against e-mail ...
1k views

### PDF with un-copyable text in LuaLaTeX

In Is it possible to produce a PDF with un-copyable text?, it was suggested the following code to disable the coyable text from a pdf viewer. % pdflatex is required \documentclass{article} \...