Fix interaction between styles and sizes. (#719)

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* Fix interaction between styles and sizes by implementing styles as sizes.

Rather than having both `textstyle` CSS classes and `size5` CSS classes
affect the font size (and step on each other), implement sizes more the
way TeX does: a command like `\displaystyle` changes the current size.

This is actually a simplification, since now only `size` affects the size.
Simplifies CSS and computation. Many screenshotter tests change; they
change to be more like TeX. For instance, `\sqrt` fixes some
discrepancies in size treatment.

Also:

Remove the `Options.withX()` methods in favor of `.havingX()`, which
might return the same `options`.

Remove `Style.cls()` and `Style.reset()`.

Remove `Options.reset()`. You should never modify an `Options`; they
should change only by the `havingX()` methods.

* Implement TeX sizing for scriptsize/scriptscriptsize.

At every size level. Also make the sizes match TeX to the last decimal.

* Review comments.

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This commit is contained in:

Eddie Kohler

2017-06-27 20:55:14 -04:00

committed by Kevin Barabash

parent 4f57d53f6e

commit b866cd5224

29 changed files with 347 additions and 410 deletions

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