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# [Ruby] A tool to convert LaTeX-style macrons to macron characters, html entities, or UTF-8 escape codes

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When I write my Latin homework in LaTeX, the source winds up looking like this:

\item[13.]  Am\={\i}c\={o}s tr\={\i}st\={e}s exc\={e}pit, ad m\={e}nsam inv\={\i}t\={a}vit, et e\={\i}s perfugium ac s\={o}l\={a}cium h\={\i}c dedit.


Aside: You might be thinking that entering \={\i} just to get a single character would be a drag, but thanks to Textmate I have created snippets such that Control + letter does all that typing for me }

Now if I want to post this to the web, I need to convert those characters from say \={\i} to \&\#x12b;. I would like it to go through the sentence and change each of those LaTeX-macron characters to HTML entities.

Similarly, I occasionally have need to convert LaTeX-macron sequences to UTF-8 codes.

And yet other times I want it to convert those codes to macron-ized characters.

The best part is that I’ve written this function into Textmate as an extension so for me conversion is:

Default String

Highlight the LaTeX string

Choose my command with this script in it

Text is replaced, magically!

And it looks like this in a browser…

`text >\item[13.] Amīcōs trīstēs excēpit, ad mēnsam invītāvit, et eīs perfugium ac sōlācium hī