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Support Unicode Negated Relations (#952)

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* Support Unicode Negated Relations

This is the fifth in a series of PRs to give KaTeX the ability to recognize Unicode character input.

All the characters in this PR will produce `rel` atoms.

* Add parse tests

* Fix AMS functions

Fix a brain cramp.

* Add internal aliases to code comments
This commit is contained in:
Ron Kok
2017-11-22 05:37:53 -08:00
committed by Erik Demaine
parent 22dd4f3a28
commit 6325685a9f
2 changed files with 47 additions and 40 deletions
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83
src/symbols.js
View File

@@ -179,55 +179,58 @@ defineSymbol(math, main, rel, "\u2196", "\\nwarrow");
defineSymbol(math, main, rel, "\u21cc", "\\rightleftharpoons");
// AMS Negated Binary Relations
defineSymbol(math, ams, rel, "\u226e", "\\nless");
defineSymbol(math, ams, rel, "\u226e", "\\nless", true);
defineSymbol(math, ams, rel, "\ue010", "\\nleqslant");
defineSymbol(math, ams, rel, "\ue011", "\\nleqq");
defineSymbol(math, ams, rel, "\u2a87", "\\lneq");
defineSymbol(math, ams, rel, "\u2268", "\\lneqq");
defineSymbol(math, ams, rel, "\u2a87", "\\lneq", true);
defineSymbol(math, ams, rel, "\u2268", "\\lneqq", true);
defineSymbol(math, ams, rel, "\ue00c", "\\lvertneqq");
defineSymbol(math, ams, rel, "\u22e6", "\\lnsim");
defineSymbol(math, ams, rel, "\u2a89", "\\lnapprox");
defineSymbol(math, ams, rel, "\u2280", "\\nprec");
defineSymbol(math, ams, rel, "\u22e0", "\\npreceq");
defineSymbol(math, ams, rel, "\u22e8", "\\precnsim");
defineSymbol(math, ams, rel, "\u2ab9", "\\precnapprox");
defineSymbol(math, ams, rel, "\u2241", "\\nsim");
defineSymbol(math, ams, rel, "\u22e6", "\\lnsim", true);
defineSymbol(math, ams, rel, "\u2a89", "\\lnapprox", true);
defineSymbol(math, ams, rel, "\u2280", "\\nprec", true);
// unicode-math maps \u22e0 to \npreccurlyeq. We'll use the AMS synonym.
defineSymbol(math, ams, rel, "\u22e0", "\\npreceq", true);
defineSymbol(math, ams, rel, "\u22e8", "\\precnsim", true);
defineSymbol(math, ams, rel, "\u2ab9", "\\precnapprox", true);
defineSymbol(math, ams, rel, "\u2241", "\\nsim", true);
defineSymbol(math, ams, rel, "\ue006", "\\nshortmid");
defineSymbol(math, ams, rel, "\u2224", "\\nmid");
defineSymbol(math, ams, rel, "\u22ac", "\\nvdash");
defineSymbol(math, ams, rel, "\u22ad", "\\nvDash");
defineSymbol(math, ams, rel, "\u2224", "\\nmid", true);
defineSymbol(math, ams, rel, "\u22ac", "\\nvdash", true);
defineSymbol(math, ams, rel, "\u22ad", "\\nvDash", true);
defineSymbol(math, ams, rel, "\u22ea", "\\ntriangleleft");
defineSymbol(math, ams, rel, "\u22ec", "\\ntrianglelefteq");
defineSymbol(math, ams, rel, "\u228a", "\\subsetneq");
defineSymbol(math, ams, rel, "\u22ec", "\\ntrianglelefteq", true);
defineSymbol(math, ams, rel, "\u228a", "\\subsetneq", true);
defineSymbol(math, ams, rel, "\ue01a", "\\varsubsetneq");
defineSymbol(math, ams, rel, "\u2acb", "\\subsetneqq");
defineSymbol(math, ams, rel, "\u2acb", "\\subsetneqq", true);
defineSymbol(math, ams, rel, "\ue017", "\\varsubsetneqq");
defineSymbol(math, ams, rel, "\u226f", "\\ngtr");
defineSymbol(math, ams, rel, "\u226f", "\\ngtr", true);
defineSymbol(math, ams, rel, "\ue00f", "\\ngeqslant");
defineSymbol(math, ams, rel, "\ue00e", "\\ngeqq");
defineSymbol(math, ams, rel, "\u2a88", "\\gneq");
defineSymbol(math, ams, rel, "\u2269", "\\gneqq");
defineSymbol(math, ams, rel, "\u2a88", "\\gneq", true);
defineSymbol(math, ams, rel, "\u2269", "\\gneqq", true);
defineSymbol(math, ams, rel, "\ue00d", "\\gvertneqq");
defineSymbol(math, ams, rel, "\u22e7", "\\gnsim");
defineSymbol(math, ams, rel, "\u2a8a", "\\gnapprox");
defineSymbol(math, ams, rel, "\u2281", "\\nsucc");
defineSymbol(math, ams, rel, "\u22e1", "\\nsucceq");
defineSymbol(math, ams, rel, "\u22e9", "\\succnsim");
defineSymbol(math, ams, rel, "\u2aba", "\\succnapprox");
defineSymbol(math, ams, rel, "\u2246", "\\ncong");
defineSymbol(math, ams, rel, "\u22e7", "\\gnsim", true);
defineSymbol(math, ams, rel, "\u2a8a", "\\gnapprox", true);
defineSymbol(math, ams, rel, "\u2281", "\\nsucc", true);
// unicode-math maps \u22e1 to \nsucccurlyeq. We'll use the AMS synonym.
defineSymbol(math, ams, rel, "\u22e1", "\\nsucceq", true);
defineSymbol(math, ams, rel, "\u22e9", "\\succnsim", true);
defineSymbol(math, ams, rel, "\u2aba", "\\succnapprox", true);
// unicode-math maps \u2246 to \simneqq. We'll use the AMS synonym.
defineSymbol(math, ams, rel, "\u2246", "\\ncong", true);
defineSymbol(math, ams, rel, "\ue007", "\\nshortparallel");
defineSymbol(math, ams, rel, "\u2226", "\\nparallel");
defineSymbol(math, ams, rel, "\u22af", "\\nVDash");
defineSymbol(math, ams, rel, "\u2226", "\\nparallel", true);
defineSymbol(math, ams, rel, "\u22af", "\\nVDash", true);
defineSymbol(math, ams, rel, "\u22eb", "\\ntriangleright");
defineSymbol(math, ams, rel, "\u22ed", "\\ntrianglerighteq");
defineSymbol(math, ams, rel, "\u22ed", "\\ntrianglerighteq", true);
defineSymbol(math, ams, rel, "\ue018", "\\nsupseteqq");
defineSymbol(math, ams, rel, "\u228b", "\\supsetneq");
defineSymbol(math, ams, rel, "\u228b", "\\supsetneq", true);
defineSymbol(math, ams, rel, "\ue01b", "\\varsupsetneq");
defineSymbol(math, ams, rel, "\u2acc", "\\supsetneqq");
defineSymbol(math, ams, rel, "\u2acc", "\\supsetneqq", true);
defineSymbol(math, ams, rel, "\ue019", "\\varsupsetneqq");
defineSymbol(math, ams, rel, "\u22ae", "\\nVdash");
defineSymbol(math, ams, rel, "\u2ab5", "\\precneqq");
defineSymbol(math, ams, rel, "\u2ab6", "\\succneqq");
defineSymbol(math, ams, rel, "\u22ae", "\\nVdash", true);
defineSymbol(math, ams, rel, "\u2ab5", "\\precneqq", true);
defineSymbol(math, ams, rel, "\u2ab6", "\\succneqq", true);
defineSymbol(math, ams, rel, "\ue016", "\\nsubseteqq");
defineSymbol(math, ams, bin, "\u22b4", "\\unlhd");
defineSymbol(math, ams, bin, "\u22b5", "\\unrhd");
@@ -518,25 +521,25 @@ defineSymbol(math, main, rel, "\u2265", "\\geq", true);
defineSymbol(math, main, rel, "\u2190", "\\gets");
defineSymbol(math, main, rel, ">", "\\gt");
defineSymbol(math, main, rel, "\u2208", "\\in", true);
defineSymbol(math, main, rel, "\u2209", "\\notin");
defineSymbol(math, main, rel, "\u2209", "\\notin", true);
defineSymbol(math, main, rel, "\u0338", "\\not");
defineSymbol(math, main, rel, "\u2282", "\\subset", true);
defineSymbol(math, main, rel, "\u2283", "\\supset", true);
defineSymbol(math, main, rel, "\u2286", "\\subseteq", true);
defineSymbol(math, main, rel, "\u2287", "\\supseteq", true);
defineSymbol(math, ams, rel, "\u2288", "\\nsubseteq");
defineSymbol(math, ams, rel, "\u2289", "\\nsupseteq");
defineSymbol(math, ams, rel, "\u2288", "\\nsubseteq", true);
defineSymbol(math, ams, rel, "\u2289", "\\nsupseteq", true);
defineSymbol(math, main, rel, "\u22a8", "\\models");
defineSymbol(math, main, rel, "\u2190", "\\leftarrow");
defineSymbol(math, main, rel, "\u2264", "\\le");
defineSymbol(math, main, rel, "\u2264", "\\leq", true);
defineSymbol(math, main, rel, "<", "\\lt");
defineSymbol(math, main, rel, "\u2260", "\\ne");
defineSymbol(math, main, rel, "\u2260", "\\ne", true);
defineSymbol(math, main, rel, "\u2260", "\\neq");
defineSymbol(math, main, rel, "\u2192", "\\rightarrow");
defineSymbol(math, main, rel, "\u2192", "\\to");
defineSymbol(math, ams, rel, "\u2271", "\\ngeq");
defineSymbol(math, ams, rel, "\u2270", "\\nleq");
defineSymbol(math, ams, rel, "\u2271", "\\ngeq", true);
defineSymbol(math, ams, rel, "\u2270", "\\nleq", true);
defineSymbol(math, main, spacing, null, "\\!");
defineSymbol(math, main, spacing, "\u00a0", "\\ ");
defineSymbol(math, main, spacing, "\u00a0", "~");

4
test/katex-spec.js
View File

@@ -2626,6 +2626,10 @@ describe("Unicode", function() {
expect("ΓΔΘΞΠΣΦΨΩ").toParse();
});
it("should parse negated relations", function() {
expect("∉∤∦≁≆≠≨≩≮≯≰≱⊀⊁⊈⊉⊊⊋⊬⊭⊮⊯⋠⋡⋦⋧⋨⋩⋬⋭⪇⪈⪉⪊⪵⪶⪹⪺⫋⫌").toParse();
});
it("should parse relations", function() {
expect("∈∋∝∼∽≂≃≅≈≊≍≎≏≐≑≒≓≖≗≜≡≤≥≦≧≫≬≳≷≺≻≼≽≾≿").toParse();
});