Merge pull request #785 from toothache/fix_issues

Fix issues for math span calculation
xoofx · Mar 29, 2024 · 8e22754 · 8e22754
2 parents 000393f + 93d88ab
commit 8e22754
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/src/Markdig.Tests/TestSourcePosition.cs b/src/Markdig.Tests/TestSourcePosition.cs
@@ -698,7 +698,7 @@ public void TestAttributesForHeading()
     [Test]
     public void TestMathematicsInline()
     {
-        //     01 23456789AB
+        //     01 23456789ABCDEF
         Check("0\n012 $abcd$ 321", @"
 paragraph    ( 0, 0)  0-15
 literal      ( 0, 0)  0-0
@@ -707,6 +707,13 @@ public void TestMathematicsInline()
 math         ( 1, 4)  6-11
 attributes   ( 0, 0)  0--1
 literal      ( 1,10) 12-15
+", "mathematics");
+
+        //     012345678
+        Check("$ abcd $", @"
+paragraph    ( 0, 0)  0-7
+math         ( 0, 0)  0-7
+attributes   ( 0, 0)  0--1
 ", "mathematics");
     }
 

diff --git a/src/Markdig/Extensions/Mathematics/MathInlineParser.cs b/src/Markdig/Extensions/Mathematics/MathInlineParser.cs
@@ -152,7 +152,7 @@ public override bool Match(InlineProcessor processor, ref StringSlice slice)
             // Create a new MathInline
             var inline = new MathInline()
             {
-                Span = new SourceSpan(processor.GetSourcePosition(startPosition, out int line, out int column), processor.GetSourcePosition(end)),
+                Span = new SourceSpan(processor.GetSourcePosition(startPosition, out int line, out int column), processor.GetSourcePosition(slice.Start - 1)),
                 Line = line,
                 Column = column,
                 Delimiter = match,