fix: \vdots and \rule support in text mode (#3997)

* fix #3990 * Unify math and text \vdots, allow \rule in text mode * Add text-mode `\rule` test --------- Co-authored-by: pzinn <[email protected]> Co-authored-by: Ron Kok <[email protected]>
KaTeX · Dec 8, 2024 · 0e08352 · 0e08352
1 parent c47d158
commit 0e08352
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Showing 4 changed files with 14 additions and 2 deletions.
diff --git a/src/functions/rule.js b/src/functions/rule.js
@@ -11,6  11,8 @@ defineFunction({
     props: {
         numArgs: 2,
         numOptionalArgs: 1,
         allowedInText: true,
         allowedInMath: true,
         argTypes: ["size", "size", "size"],
     },
     handler({parser}, args, optArgs) {

diff --git a/src/macros.js b/src/macros.js
@@ -341,7  341,7 @@ defineMacro("\\lrcorner", "\\html@mathml{\\@lrcorner}{\\mathop{\\char\"231f}}");
 // \kern6\p@\hbox{.}\hbox{.}\hbox{.}}}
 // We'll call \varvdots, which gets a glyph from symbols.js.
 // The zero-width rule gets us an equivalent to the vertical 6pt kern.
-defineMacro("\\vdots", "\\mathord{\\varvdots\\rule{0pt}{15pt}}");
 defineMacro("\\vdots", "{\\varvdots\\rule{0pt}{15pt}}");
 defineMacro("\u22ee", "\\vdots");
 
 //////////////////////////////////////////////////////////////////////

diff --git a/src/symbols.js b/src/symbols.js
@@ -673,7  673,9 @@ defineSymbol(text, main, inner, "\u2026", "\\ldots", true);
 defineSymbol(math, main, inner, "\u2026", "\\ldots", true);
 defineSymbol(math, main, inner, "\u22ef", "\\@cdots", true);
 defineSymbol(math, main, inner, "\u22f1", "\\ddots", true);
-defineSymbol(math, main, textord, "\u22ee", "\\varvdots"); // \vdots is a macro
 // \vdots is a macro that uses one of these two symbols (with made-up names):
 defineSymbol(math, main, textord, "\u22ee", "\\varvdots");
 defineSymbol(text, main, textord, "\u22ee", "\\varvdots");
 defineSymbol(math, main, accent, "\u02ca", "\\acute");
 defineSymbol(math, main, accent, "\u02cb", "\\grave");
 defineSymbol(math, main, accent, "\u00a8", "\\ddot");

diff --git a/test/katex-spec.js b/test/katex-spec.js
@@ -807,6  807,10 @@ describe("A text parser", function() {
     it("should omit spaces after commands", function() {
         expect`\text{\textellipsis !}`.toParseLike`\text{\textellipsis!}`;
     });
 
     it("should handle ⋮ and \\vdots", function() {
         expect`\text{a \vdots b ⋮ d}`.toParse();
     });
 });
 
 describe("A texvc builder", function() {
@@ -1065,6  1069,10 @@ describe("A rule parser", function() {
         expect(parse.width.number).toBeCloseTo(-1);
         expect(parse.height.number).toBeCloseTo(-0.2);
     });
 
     it("should parse in text mode", function() {
         expect(r`\text{a\rule{1em}{2em}b}`).toParse();
     });
 });
 
 describe("A kern parser", function() {