Test Plan: Parses and renders locally. \!\, and \,\! are now no-ops.
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D6395
Summary:
Right now, when the size gets bigger, this still doesn't work, so there's a
check to prevent that. However, functions that go smaller (like `\small`,
`\tiny`, etc) do work. Also, we can't seem to use the sizing functions inside
of fractions (so something like `\dfrac{\small\frac{x}{y}}{z}` doesn't work).
However, the most prominent use case is `\small` as the outer-most object, so
this is still helpful. This commit has the parsing and stuff to handle all of
it, but it'll throw an error if you try to do something that doesn't work. (For
the record, "doesn't work" means "looks bad", not "throws an unexpected
error").
Test Plan:
Make sure things like `\small x` work, and things like `\Huge x` and
`\frac{\small x}{y}` don't.
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D3619
Summary:
\nleq and \ngeq are AMS characters, so add support for parsing and
showing those. Also, add font metrics from the ams_regular font.
Test Plan:
View `\ngeq \geq`, make sure that they look the same but with a
slash through `\ngeq`. View `a \ngeq b`, make sure there's the right spacing
for a rel.
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D3547
Summary:
This diff does a couple different things:
- There is now a metrics/ folder, which contains the property files describing
the metrics if the fonts, as well as a script for reading and printing the
metrics in javascript.
- Fractions and superscripts/subscripts are now rendered in slightly different
ways now (notably, no use of inline-table). This allows for much more precise
positioning of the superscripts, subscripts, numerators, and denominators,
while still having an appropriate baseline. Also, there is no longer a
sup/sub/supsub distinction, there are only supsubs with null sup/sub.
- Using the new font metrics and by implementing the formulas found in The TeX
Book, Appendix G, the heights and depths of all of the sub-expressions in a
formula are now calculated. These are currently used to:
- Correctly position superscripts, subscripts, numerators, and denominators
- Adjust the height and depth of the overall expression so it takes up the
appropriate space
- Because we have to add attributes (height and depth) to every attribute, I
have changed the way DOM nodes are assembled. Now, instead of assembling the
DOM elements inline (which is a problem because we need to track
height/depth, and we shouldn't (and can't in IE 8) attach raw attributes to DOM
nodes), we assemble a pseudo-DOM structure with the extra information, and
then actually assemble it at the very end.
The main page also now has an updated expression to show off and test the new
and improved parsing.
Test Plan:
View the main page, make sure that the expression renders. Make sure
that the tests pass. Make sure that expressions have the correct calculated
height (this is most easily tested by viewing them on the main page and making
sure that the top of the expression lines up with the bottom of the input box).
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D3442
Summary:
Add a command to print out a TeX-style logo for KaTeX. I think the
code is okay, but suggestions for the design of the logo are most welcome (I'll
post screenshots soon).
Test Plan: Make sure \KaTeX renders, and the tests still succeed.
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D3443
Summary:
Add some things in to make this more useful to khan-exercises.
Notably, make KaTeX.process create and clean up its own .katex node, and rename
.mathmathmath -> .katex.
Test Plan: Make test, make sure the main page still renders stuff
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D3061
Test Plan: `\orange{x}\blue{-4}`, `\orange{x-}\blue{-4}` look the same after desaturation as `x-4` and `x--4`. In addition, `\orange{x}\blue{{-4}}` looks appropriately atrocious (i.e., has no space whatsoever).
Reviewers: emily
Reviewed By: emily
Differential Revision: http://phabricator.khanacademy.org/D3050
Summary:
Remove all uses of underscore. For the things we actually need, make a
"util" file and put them in there.
Test Plan:
Make sure the test still succeed, and that the main page still
works.
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D3043
Summary:
Make our own parser that doesn't use jison, so that we can handle
funny TeX syntax, and to make it smaller.
Test Plan: Make sure the tests pass with the new parser.
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D3029
Summary: Rename all instances of mjlite -> katex
Test Plan: Run the local server, make sure things still work.
Reviewers: alpert
Reviewed By: alpert
Differential Revision: http://phabricator.khanacademy.org/D2977
Summary:
Turn fracs into inners like they should be, instead of using the
previous dumb hack.
Test Plan: Make sure \dfrac still works
Reviewers: spicyj
Reviewed By: spicyj
Differential Revision: http://phabricator.benalpert.com/D50
Summary:
By the powers of Greyskull (and maybe css) we have vanquished the
great and powerful llap! All hail!
Test Plan: Add some \llap and \rlap. Make sure it's positioned correctly.
Reviewers: spicyj
Reviewed By: spicyj
Differential Revision: http://phabricator.benalpert.com/D48
Summary:
Get the styles into a form that they can be directly copied over to
khan-exercises, with no changes. Mostly just changing #math to .mathmathmath
and adding a font style and size.
Test Plan: Make sure that the local test still works.
Reviewers: spicyj
Reviewed By: spicyj
Differential Revision: http://phabricator.benalpert.com/D47
Summary: Add \qquad, \quad, \;, etc. Fixes T7
Test Plan:
Add some spacings. Make sure that they look reasonable widths.
Especially, if you add a space (`\space`), make sure that it doesn't disappear
because the spacing disappears.
Reviewers: spicyj
Reviewed By: spicyj
Maniphest Tasks: T7
Differential Revision: http://phabricator.benalpert.com/D46
Summary: Add a bunch of rels, and their css and stuff.
Test Plan: Add some rels. Rejoice.
Reviewers: spicyj
Reviewed By: spicyj
Differential Revision: http://phabricator.benalpert.com/D45
Summary:
Uploaded the OTFs from eab3322d to fontsquirrel with the following config:
```
{"mode":"expert","formats":["ttf","woff","eotz"],"tt_instructor":"default","fix_vertical_metrics":"Y","fix_gasp":"xy","add_spaces":"Y","add_hyphens":"Y","fallback":"none","fallback_custom":"100","options_subset":"none","subset_custom":"","subset_custom_range":"","css_stylesheet":"stylesheet.css","filename_suffix":"","emsquare":"2048","spacing_adjustment":"0"}
```
Now we have this beauty in IE8:
{F213}
and it looks similar in Chrome. Now I guess we just need square roots so we can stop disseminating the wrong quadratic formula.
Reviewers: xymostech
Reviewed By: xymostech
Differential Revision: http://phabricator.benalpert.com/D43
Summary: Not true `\color`, but `\blue`, `\red`, etc.
Test Plan:
Add `\blue`, etc around stuff, see that it makes pretty colors
appear.
Reviewers: spicyj
Reviewed By: spicyj
Differential Revision: http://phabricator.benalpert.com/D44
Summary: Build or own fonts from MathJax's repo, and use those instead.
Test Plan: Use the new fonts, enjoy!
Reviewers: spicyj
Reviewed By: spicyj
Differential Revision: http://phabricator.benalpert.com/D41
