Consolidating duplicate fonts pdf scanning
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I have recently been fortunate enough to give a presentation to two conferences, Py Con Australia and Kiwi Pycon, the Australian and New Zealand Python conferences, respectively.
The input is a plain text file, edited in Emacs, using a mode called Org mode.The intermediate form is a La Te X file, using the document class Beamer which is designed for presentations that are going to be projected.Beamer is apparently the German word for digital projector. HPR isn't known for having many Emacs talks, so I should probably explain the idea of modes. For every document that you're editing there's one major mode, and any number of minor modes.So if I was editing a Python file for example, I would have the Python major mode which understands Python and can thus do Python specific things like Python code completion, and I would have a spell checker minor mode to check the spelling of comments, and another minor mode to automatically line wrap comment lines that are very long, and another minor mode to show what line number I'm currently editing, and another minor mode to blink the cursor and so on.The other topic that I haven't heard too much on is La Te X.La Tex is the venerable typesetting solution for Unix based systems.
La Te X documents have a single document class, and then any number of packages.
In the case of my presentation, the document class is Beamer, which sets up all the margins and fonts to be good for presentations.
Some of the packages I'm using are the symbols package, for arrows and maths symbols, and several graphics packages so I can draw trees in my slides.
I'm fairly comfortable with La Te X, I could certainly write this presentation directly in La Te X, but I think there are some advantages in using Org mode to generate my La Te X instead.
As the name suggests, Org mode is designed to be an organisational mode, helping you write TODO lists and organise documents.
While the document is just a plain text document that you can read and write with any text editor, the Emacs Org mode understands its own mark up and provides an outlining mode, where you can hide and expand trees of bullet points.