Before looking at TeX itself, you may want to look at a few smaller programs. One of them is DVITYPE.

A raw dump of the program is below; will annotate it later.

To read the program, click on "Fetch modules" below.

(The buttons above do nothing now.) Note that the typeset versions of the modules (SVGs) will take a while to load, and your browser may appear to freeze while they're loading. :-(

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