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Support \textup and \textmd (#1921)

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* Support \textup and \textmd

This PR adds support for `\textup` and `\textmd`, which are the inverses of
`\textit` and `\textbf`.  Unlike bare `\text`, they result in `textup` and
`textmd` classes being applied, but those have no CSS rules, so they act the
same as bare `\text`.

Fixes #1909.

* Add documentation

* Add unsupported font commands
This commit is contained in:
Erik Demaine
2019-04-05 13:51:11 -04:00
committed by ylemkimon
parent ac4c6271d4
commit 070883532a
5 changed files with 56 additions and 17 deletions
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18
test/katex-spec.js
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@@ -1708,6 +1708,15 @@ describe("An HTML font tree-builder", function() {
expect(markup).toContain("<span class=\"mord textit\">R</span>");
});
it("should render \\textup{R} with the correct font", function() {
const markup1 = katex.renderToString(r`\textup{R}`);
expect(markup1).toContain("<span class=\"mord textup\">R</span>");
const markup2 = katex.renderToString(r`\textit{\textup{R}}`);
expect(markup2).toContain("<span class=\"mord textup\">R</span>");
const markup3 = katex.renderToString(r`\textup{\textit{R}}`);
expect(markup3).toContain("<span class=\"mord textit\">R</span>");
});
it("should render \\text{R\\textit{S}T} with the correct fonts", function() {
const markup = katex.renderToString(r`\text{R\textit{S}T}`);
expect(markup).toContain("<span class=\"mord\">R</span>");
@@ -1720,6 +1729,15 @@ describe("An HTML font tree-builder", function() {
expect(markup).toContain("<span class=\"mord textbf\">R</span>");
});
it("should render \\textmd{R} with the correct font", function() {
const markup1 = katex.renderToString(r`\textmd{R}`);
expect(markup1).toContain("<span class=\"mord textmd\">R</span>");
const markup2 = katex.renderToString(r`\textbf{\textmd{R}}`);
expect(markup2).toContain("<span class=\"mord textmd\">R</span>");
const markup3 = katex.renderToString(r`\textmd{\textbf{R}}`);
expect(markup3).toContain("<span class=\"mord textbf\">R</span>");
});
it("should render \\textsf{R} with the correct font", function() {
const markup = katex.renderToString(r`\textsf{R}`);
expect(markup).toContain("<span class=\"mord textsf\">R</span>");