Support Unicode relations (#933)

* Support Unicode relations

This is the first in a series of PRs to give KaTeX the ability to recognize Unicode character input. The code in this PR follows the style of PR #410.
All the characters in this PR will produce rel atoms. I’ll submit PRs for other atom types later.

* Fix lint error.

* Correct mapping errors

This commit fixes a brain cramp of mine.
This commit is contained in:
Ron Kok
2017-10-17 06:06:41 -07:00
committed by Kevin Barabash
parent 305a35c3a5
commit bd4e1464a0
2 changed files with 78 additions and 70 deletions

View File

@@ -74,29 +74,29 @@ const textord = "textord";
// Now comes the symbol table
// Relation Symbols
defineSymbol(math, main, rel, "\u2261", "\\equiv");
defineSymbol(math, main, rel, "\u227a", "\\prec");
defineSymbol(math, main, rel, "\u227b", "\\succ");
defineSymbol(math, main, rel, "\u223c", "\\sim");
defineSymbol(math, main, rel, "\u2261", "\\equiv", true);
defineSymbol(math, main, rel, "\u227a", "\\prec", true);
defineSymbol(math, main, rel, "\u227b", "\\succ", true);
defineSymbol(math, main, rel, "\u223c", "\\sim", true);
defineSymbol(math, main, rel, "\u22a5", "\\perp");
defineSymbol(math, main, rel, "\u2aaf", "\\preceq");
defineSymbol(math, main, rel, "\u2ab0", "\\succeq");
defineSymbol(math, main, rel, "\u2243", "\\simeq");
defineSymbol(math, main, rel, "\u2aaf", "\\preceq", true);
defineSymbol(math, main, rel, "\u2ab0", "\\succeq", true);
defineSymbol(math, main, rel, "\u2243", "\\simeq", true);
defineSymbol(math, main, rel, "\u2223", "\\mid");
defineSymbol(math, main, rel, "\u226a", "\\ll");
defineSymbol(math, main, rel, "\u226b", "\\gg");
defineSymbol(math, main, rel, "\u224d", "\\asymp");
defineSymbol(math, main, rel, "\u226b", "\\gg", true);
defineSymbol(math, main, rel, "\u224d", "\\asymp", true);
defineSymbol(math, main, rel, "\u2225", "\\parallel");
defineSymbol(math, main, rel, "\u22c8", "\\bowtie");
defineSymbol(math, main, rel, "\u2323", "\\smile");
defineSymbol(math, main, rel, "\u2291", "\\sqsubseteq");
defineSymbol(math, main, rel, "\u2292", "\\sqsupseteq");
defineSymbol(math, main, rel, "\u2250", "\\doteq");
defineSymbol(math, main, rel, "\u2322", "\\frown");
defineSymbol(math, main, rel, "\u220b", "\\ni");
defineSymbol(math, main, rel, "\u221d", "\\propto");
defineSymbol(math, main, rel, "\u22a2", "\\vdash");
defineSymbol(math, main, rel, "\u22a3", "\\dashv");
defineSymbol(math, main, rel, "\u22c8", "\\bowtie", true);
defineSymbol(math, main, rel, "\u2323", "\\smile", true);
defineSymbol(math, main, rel, "\u2291", "\\sqsubseteq", true);
defineSymbol(math, main, rel, "\u2292", "\\sqsupseteq", true);
defineSymbol(math, main, rel, "\u2250", "\\doteq", true);
defineSymbol(math, main, rel, "\u2322", "\\frown", true);
defineSymbol(math, main, rel, "\u220b", "\\ni", true);
defineSymbol(math, main, rel, "\u221d", "\\propto", true);
defineSymbol(math, main, rel, "\u22a2", "\\vdash", true);
defineSymbol(math, main, rel, "\u22a3", "\\dashv", true);
defineSymbol(math, main, rel, "\u220b", "\\owns");
// Punctuation
@@ -288,66 +288,66 @@ defineSymbol(math, ams, open, "\u2514", "\\llcorner");
defineSymbol(math, ams, close, "\u2518", "\\lrcorner");
// AMS Binary Relations
defineSymbol(math, ams, rel, "\u2266", "\\leqq");
defineSymbol(math, ams, rel, "\u2266", "\\leqq", true);
defineSymbol(math, ams, rel, "\u2a7d", "\\leqslant");
defineSymbol(math, ams, rel, "\u2a95", "\\eqslantless");
defineSymbol(math, ams, rel, "\u2a95", "\\eqslantless", true);
defineSymbol(math, ams, rel, "\u2272", "\\lesssim");
defineSymbol(math, ams, rel, "\u2a85", "\\lessapprox");
defineSymbol(math, ams, rel, "\u224a", "\\approxeq");
defineSymbol(math, ams, rel, "\u224a", "\\approxeq", true);
defineSymbol(math, ams, bin, "\u22d6", "\\lessdot");
defineSymbol(math, ams, rel, "\u22d8", "\\lll");
defineSymbol(math, ams, rel, "\u2276", "\\lessgtr");
defineSymbol(math, ams, rel, "\u22da", "\\lesseqgtr");
defineSymbol(math, ams, rel, "\u2a8b", "\\lesseqqgtr");
defineSymbol(math, ams, rel, "\u2251", "\\doteqdot");
defineSymbol(math, ams, rel, "\u2253", "\\risingdotseq");
defineSymbol(math, ams, rel, "\u2252", "\\fallingdotseq");
defineSymbol(math, ams, rel, "\u223d", "\\backsim");
defineSymbol(math, ams, rel, "\u22cd", "\\backsimeq");
defineSymbol(math, ams, rel, "\u2ac5", "\\subseteqq");
defineSymbol(math, ams, rel, "\u22d0", "\\Subset");
defineSymbol(math, ams, rel, "\u228f", "\\sqsubset");
defineSymbol(math, ams, rel, "\u227c", "\\preccurlyeq");
defineSymbol(math, ams, rel, "\u22de", "\\curlyeqprec");
defineSymbol(math, ams, rel, "\u227e", "\\precsim");
defineSymbol(math, ams, rel, "\u2ab7", "\\precapprox");
defineSymbol(math, ams, rel, "\u2253", "\\risingdotseq", true);
defineSymbol(math, ams, rel, "\u2252", "\\fallingdotseq", true);
defineSymbol(math, ams, rel, "\u223d", "\\backsim", true);
defineSymbol(math, ams, rel, "\u22cd", "\\backsimeq", true);
defineSymbol(math, ams, rel, "\u2ac5", "\\subseteqq", true);
defineSymbol(math, ams, rel, "\u22d0", "\\Subset", true);
defineSymbol(math, ams, rel, "\u228f", "\\sqsubset", true);
defineSymbol(math, ams, rel, "\u227c", "\\preccurlyeq", true);
defineSymbol(math, ams, rel, "\u22de", "\\curlyeqprec", true);
defineSymbol(math, ams, rel, "\u227e", "\\precsim", true);
defineSymbol(math, ams, rel, "\u2ab7", "\\precapprox", true);
defineSymbol(math, ams, rel, "\u22b2", "\\vartriangleleft");
defineSymbol(math, ams, rel, "\u22b4", "\\trianglelefteq");
defineSymbol(math, ams, rel, "\u22a8", "\\vDash");
defineSymbol(math, ams, rel, "\u22aa", "\\Vvdash");
defineSymbol(math, ams, rel, "\u22aa", "\\Vvdash", true);
defineSymbol(math, ams, rel, "\u2323", "\\smallsmile");
defineSymbol(math, ams, rel, "\u2322", "\\smallfrown");
defineSymbol(math, ams, rel, "\u224f", "\\bumpeq");
defineSymbol(math, ams, rel, "\u224e", "\\Bumpeq");
defineSymbol(math, ams, rel, "\u2267", "\\geqq");
defineSymbol(math, ams, rel, "\u2a7e", "\\geqslant");
defineSymbol(math, ams, rel, "\u2a96", "\\eqslantgtr");
defineSymbol(math, ams, rel, "\u2273", "\\gtrsim");
defineSymbol(math, ams, rel, "\u2a86", "\\gtrapprox");
defineSymbol(math, ams, rel, "\u224f", "\\bumpeq", true);
defineSymbol(math, ams, rel, "\u224e", "\\Bumpeq", true);
defineSymbol(math, ams, rel, "\u2267", "\\geqq", true);
defineSymbol(math, ams, rel, "\u2a7e", "\\geqslant", true);
defineSymbol(math, ams, rel, "\u2a96", "\\eqslantgtr", true);
defineSymbol(math, ams, rel, "\u2273", "\\gtrsim", true);
defineSymbol(math, ams, rel, "\u2a86", "\\gtrapprox", true);
defineSymbol(math, ams, bin, "\u22d7", "\\gtrdot");
defineSymbol(math, ams, rel, "\u22d9", "\\ggg");
defineSymbol(math, ams, rel, "\u2277", "\\gtrless");
defineSymbol(math, ams, rel, "\u22db", "\\gtreqless");
defineSymbol(math, ams, rel, "\u2a8c", "\\gtreqqless");
defineSymbol(math, ams, rel, "\u2256", "\\eqcirc");
defineSymbol(math, ams, rel, "\u2257", "\\circeq");
defineSymbol(math, ams, rel, "\u225c", "\\triangleq");
defineSymbol(math, ams, rel, "\u22d9", "\\ggg", true);
defineSymbol(math, ams, rel, "\u2277", "\\gtrless", true);
defineSymbol(math, ams, rel, "\u22db", "\\gtreqless", true);
defineSymbol(math, ams, rel, "\u2a8c", "\\gtreqqless", true);
defineSymbol(math, ams, rel, "\u2256", "\\eqcirc", true);
defineSymbol(math, ams, rel, "\u2257", "\\circeq", true);
defineSymbol(math, ams, rel, "\u225c", "\\triangleq", true);
defineSymbol(math, ams, rel, "\u223c", "\\thicksim");
defineSymbol(math, ams, rel, "\u2248", "\\thickapprox");
defineSymbol(math, ams, rel, "\u2ac6", "\\supseteqq");
defineSymbol(math, ams, rel, "\u22d1", "\\Supset");
defineSymbol(math, ams, rel, "\u2290", "\\sqsupset");
defineSymbol(math, ams, rel, "\u227d", "\\succcurlyeq");
defineSymbol(math, ams, rel, "\u22df", "\\curlyeqsucc");
defineSymbol(math, ams, rel, "\u227f", "\\succsim");
defineSymbol(math, ams, rel, "\u2ab8", "\\succapprox");
defineSymbol(math, ams, rel, "\u2ac6", "\\supseteqq", true);
defineSymbol(math, ams, rel, "\u22d1", "\\Supset", true);
defineSymbol(math, ams, rel, "\u2290", "\\sqsupset", true);
defineSymbol(math, ams, rel, "\u227d", "\\succcurlyeq", true);
defineSymbol(math, ams, rel, "\u22df", "\\curlyeqsucc", true);
defineSymbol(math, ams, rel, "\u227f", "\\succsim", true);
defineSymbol(math, ams, rel, "\u2ab8", "\\succapprox", true);
defineSymbol(math, ams, rel, "\u22b3", "\\vartriangleright");
defineSymbol(math, ams, rel, "\u22b5", "\\trianglerighteq");
defineSymbol(math, ams, rel, "\u22a9", "\\Vdash");
defineSymbol(math, ams, rel, "\u22a9", "\\Vdash", true);
defineSymbol(math, ams, rel, "\u2223", "\\shortmid");
defineSymbol(math, ams, rel, "\u2225", "\\shortparallel");
defineSymbol(math, ams, rel, "\u226c", "\\between");
defineSymbol(math, ams, rel, "\u22d4", "\\pitchfork");
defineSymbol(math, ams, rel, "\u226c", "\\between", true);
defineSymbol(math, ams, rel, "\u22d4", "\\pitchfork", true);
defineSymbol(math, ams, rel, "\u221d", "\\varpropto");
defineSymbol(math, ams, rel, "\u25c0", "\\blacktriangleleft");
defineSymbol(math, ams, rel, "\u2234", "\\therefore");
@@ -358,9 +358,9 @@ defineSymbol(math, ams, rel, "\u22d8", "\\llless");
defineSymbol(math, ams, rel, "\u22d9", "\\gggtr");
defineSymbol(math, ams, bin, "\u22b2", "\\lhd");
defineSymbol(math, ams, bin, "\u22b3", "\\rhd");
defineSymbol(math, ams, rel, "\u2242", "\\eqsim");
defineSymbol(math, ams, rel, "\u2242", "\\eqsim", true);
defineSymbol(math, main, rel, "\u22c8", "\\Join");
defineSymbol(math, ams, rel, "\u2251", "\\Doteq");
defineSymbol(math, ams, rel, "\u2251", "\\Doteq", true);
// AMS Binary Operators
defineSymbol(math, ams, bin, "\u2214", "\\dotplus");
@@ -401,7 +401,7 @@ defineSymbol(math, ams, rel, "\u21b0", "\\Lsh");
defineSymbol(math, ams, rel, "\u21c8", "\\upuparrows");
defineSymbol(math, ams, rel, "\u21bf", "\\upharpoonleft");
defineSymbol(math, ams, rel, "\u21c3", "\\downharpoonleft");
defineSymbol(math, ams, rel, "\u22b8", "\\multimap");
defineSymbol(math, ams, rel, "\u22b8", "\\multimap", true);
defineSymbol(math, ams, rel, "\u21ad", "\\leftrightsquigarrow");
defineSymbol(math, ams, rel, "\u21c9", "\\rightrightarrows");
defineSymbol(math, ams, rel, "\u21c4", "\\rightleftarrows");
@@ -511,25 +511,25 @@ defineSymbol(math, main, rel, "=", "=");
defineSymbol(math, main, rel, "<", "<");
defineSymbol(math, main, rel, ">", ">");
defineSymbol(math, main, rel, ":", ":");
defineSymbol(math, main, rel, "\u2248", "\\approx");
defineSymbol(math, main, rel, "\u2245", "\\cong");
defineSymbol(math, main, rel, "\u2248", "\\approx", true);
defineSymbol(math, main, rel, "\u2245", "\\cong", true);
defineSymbol(math, main, rel, "\u2265", "\\ge");
defineSymbol(math, main, rel, "\u2265", "\\geq");
defineSymbol(math, main, rel, "\u2265", "\\geq", true);
defineSymbol(math, main, rel, "\u2190", "\\gets");
defineSymbol(math, main, rel, ">", "\\gt");
defineSymbol(math, main, rel, "\u2208", "\\in");
defineSymbol(math, main, rel, "\u2208", "\\in", true);
defineSymbol(math, main, rel, "\u2209", "\\notin");
defineSymbol(math, main, rel, "\u0338", "\\not");
defineSymbol(math, main, rel, "\u2282", "\\subset");
defineSymbol(math, main, rel, "\u2283", "\\supset");
defineSymbol(math, main, rel, "\u2286", "\\subseteq");
defineSymbol(math, main, rel, "\u2287", "\\supseteq");
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, main, rel, "\u22a8", "\\models");
defineSymbol(math, main, rel, "\u2190", "\\leftarrow");
defineSymbol(math, main, rel, "\u2264", "\\le");
defineSymbol(math, main, rel, "\u2264", "\\leq");
defineSymbol(math, main, rel, "\u2264", "\\leq", true);
defineSymbol(math, main, rel, "<", "\\lt");
defineSymbol(math, main, rel, "\u2260", "\\ne");
defineSymbol(math, main, rel, "\u2260", "\\neq");

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@@ -2616,6 +2616,14 @@ describe("Unicode", function() {
it("should parse 'ΓΔΘΞΠΣΦΨΩ'", function() {
expect("ΓΔΘΞΠΣΦΨΩ").toParse();
});
it("should parse relations", function() {
expect("∈∋∝∼∽≂≃≅≈≊≍≎≏≐≑≒≓≖≗≜≡≤≥≦≧≫≬≳≷≺≻≼≽≾≿").toParse();
});
it("should parse more relations", function() {
expect("⊂⊃⊆⊇⊏⊐⊑⊒⊢⊣⊩⊪⊸⋈⋍⋐⋑⋔⋙⋛⋞⋟⌢⌣⩾⪆⪌⪕⪖⪯⪰⪷⪸⫅⫆").toParse();
});
});
describe("The maxSize setting", function() {