Merge pull request #1495 from MarkQuach12:bugfix/tag-star-linter-warning

GitOrigin-RevId: 3d66ca34c16e2820e3051ce81ab67abba54cde13

services/web/frontend/js/features/source-editor/languages/latex/linter/latex-linter.worker.ts

@@ -1107,12 +1107,24 @@ const InterpretTokens = function (
         seq === 'intertext' ||
         seq === 'shortintertext' ||
         seq === 'textnormal' ||
-        seq === 'tag' ||
         seq === 'reflectbox' ||
         seq === 'textrm'
       ) {
         // next group will be in text mode regardless
         nextGroupMathMode = false
+      } else if (seq === 'tag') {
+        // next group will be in text mode regardless
+        nextGroupMathMode = false
+        // \tag* (unnumbered tag) - skip over the '*' so it doesn't reset
+        // nextGroupMathMode before the argument group is reached
+        const nextToken = Tokens[i + 1]
+        if (
+          nextToken &&
+          nextToken[1] === 'Text' &&
+          text.substring(nextToken[2], nextToken[3]) === '*'
+        ) {
+          i = i + 1
+        }
       } else if (seq === 'tikz') {
         // try to read any optional params [BAR]...., advance if found
         const newPos = readOptionalGeneric(TokeniseResult, i)

services/web/test/frontend/features/source-editor/languages/latex/latex-linter.test.ts

@@ -350,6 +350,18 @@ describe('LatexLinter', function () {
     assert.equal(errors.length, 0)
   })
 
+  it('should accept math tag* commands', function () {
+    const { errors } = Parse(
+      '\\begin{align}\n\\pi=3 \\tag*{\\(\\dagger\\)}\n\\end{align}\n'
+    )
+    assert.equal(errors.length, 0)
+  })
+
+  it('should accept math tag* commands with $ math mode', function () {
+    const { errors } = Parse('$\\tag*{$abc$}$\n')
+    assert.equal(errors.length, 0)
+  })
+
   it('should accept math \\def commands', function () {
     const { errors } = Parse(
       '\\def\\peb[#1]{{\\left\\lfloor #1\\right\\rfloor}}'