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Enable spacing functions in text mode (#1139)

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* Enable spacing functions in text mode

Spacing functions such as `\;` or `\quad` should be accepted in either math mode or text mode

* Add tests

* Fix tests

* Fix lint error
This commit is contained in:
Ron Kok
2018-02-04 10:58:04 -08:00
committed by Kevin Barabash
parent 30854eb866
commit ea3b6abe32
2 changed files with 43 additions and 0 deletions
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10
src/symbols.js
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@@ -563,6 +563,16 @@ defineSymbol(math, main, spacing, null, "\\enspace");
defineSymbol(math, main, spacing, null, "\\qquad"); defineSymbol(math, main, spacing, null, "\\qquad");
defineSymbol(math, main, spacing, null, "\\quad"); defineSymbol(math, main, spacing, null, "\\quad");
defineSymbol(math, main, spacing, "\u00a0", "\\space"); defineSymbol(math, main, spacing, "\u00a0", "\\space");
defineSymbol(text, main, spacing, null, "\\!");
defineSymbol(text, main, spacing, "\u00a0", "\\ ");
defineSymbol(text, main, spacing, "\u00a0", "~");
defineSymbol(text, main, spacing, null, "\\,");
defineSymbol(text, main, spacing, null, "\\:");
defineSymbol(text, main, spacing, null, "\\;");
defineSymbol(text, main, spacing, null, "\\enspace");
defineSymbol(text, main, spacing, null, "\\qquad");
defineSymbol(text, main, spacing, null, "\\quad");
defineSymbol(text, main, spacing, "\u00a0", "\\space");
defineSymbol(math, main, punct, ",", ","); defineSymbol(math, main, punct, ",", ",");
defineSymbol(math, main, punct, ";", ";"); defineSymbol(math, main, punct, ";", ";");
defineSymbol(math, main, punct, ":", "\\colon"); defineSymbol(math, main, punct, ":", "\\colon");

33
test/katex-spec.js
View File

@@ -1034,6 +1034,35 @@ describe("An overline parser", function() {
}); });
}); });
describe("An lap parser", function() {
it("should not fail on a text argument", function() {
expect("\\rlap{\\,/}{=}").toParse();
expect("\\mathrlap{\\,/}{=}").toParse();
expect("{=}\\llap{/\\,}").toParse();
expect("{=}\\mathllap{/\\,}").toParse();
expect("\\sum_{\\clap{ABCDEFG}}").toParse();
expect("\\sum_{\\mathclap{ABCDEFG}}").toParse();
});
it("should not fail if math version is used", function() {
expect("\\mathrlap{\\frac{a}{b}}{=}").toParse();
expect("{=}\\mathllap{\\frac{a}{b}}").toParse();
expect("\\sum_{\\mathclap{\\frac{a}{b}}}").toParse();
});
it("should fail on math if AMS version is used", function() {
expect("\\rlap{\\frac{a}{b}}{=}").toNotParse();
expect("{=}\\llap{\\frac{a}{b}}").toNotParse();
expect("\\sum_{\\clap{\\frac{a}{b}}}").toNotParse();
});
it("should produce a lap", function() {
const parse = getParsed("\\mathrlap{\\,/}")[0];
expect(parse.type).toEqual("lap");
});
});
describe("A rule parser", function() { describe("A rule parser", function() {
const emRule = "\\rule{1em}{2em}"; const emRule = "\\rule{1em}{2em}";
const exRule = "\\rule{1ex}{2em}"; const exRule = "\\rule{1ex}{2em}";
@@ -2969,6 +2998,10 @@ describe("Symbols", function() {
expect("\\text{\\i\\j}").toParse(); expect("\\text{\\i\\j}").toParse();
}); });
it("should parse spacing functions in math or text mode", () => {
expect("A\\;B\\,C \\text{A\\;B\\,C}").toParse();
});
it("should render ligature commands like their unicode characters", () => { it("should render ligature commands like their unicode characters", () => {
const commands = getBuilt("\\text{\\ae\\AE\\oe\\OE\\o\\O\\ss}"); const commands = getBuilt("\\text{\\ae\\AE\\oe\\OE\\o\\O\\ss}");
const unicode = getBuilt("\\text{æÆœŒøØß}"); const unicode = getBuilt("\\text{æÆœŒøØß}");