Fix build issues

src/ImageSharp/Common/Helpers/GaussianEliminationSolver.cs

@@ -6,7 +6,7 @@ namespace SixLabors.ImageSharp.Common.Helpers;
 /// <summary>
 /// Represents a solver for systems of linear equations using the Gaussian Elimination method.
 /// This class applies Gaussian Elimination to transform the matrix into row echelon form and then performs back substitution to find the solution vector.
-/// This implementation is based on: https://www.algorithm-archive.org/contents/gaussian_elimination/gaussian_elimination.html
+/// This implementation is based on: <see href="https://www.algorithm-archive.org/contents/gaussian_elimination/gaussian_elimination.html"/>
 /// </summary>
 internal static class GaussianEliminationSolver
 {

src/ImageSharp/Common/Helpers/QuadDistortionHelper.cs

@@ -21,7 +21,7 @@ internal static class QuadDistortionHelper
     /// <returns>The computed projection matrix for the quad distortion.</returns>
     /// <remarks>
     /// This method is based on the algorithm described in the following article:
-    /// https://blog.mbedded.ninja/mathematics/geometry/projective-transformations/
+    /// <see href="https://blog.mbedded.ninja/mathematics/geometry/projective-transformations/"/>
     /// </remarks>
     public static Matrix4x4 ComputeQuadDistortMatrix(Rectangle rectangle, PointF topLeft, PointF topRight, PointF bottomRight, PointF bottomLeft)
     {
@@ -65,7 +65,7 @@ internal static class QuadDistortionHelper
         Matrix4x4 projectionMatrix = new(
             b[0], b[3], 0, b[6],
             b[1], b[4], 0, b[7],
-            0,    0,    1, 0,
+            0, 0, 1, 0,
             b[2], b[5], 0, 1);
 #pragma warning restore SA1117
 

src/ImageSharp/Processing/ProjectiveTransformBuilder.cs

@@ -289,9 +289,7 @@ public class ProjectiveTransformBuilder
     /// <param name="bottomLeft">The bottom-left corner point of the distorted quad.</param>
     /// <returns>The <see cref="ProjectiveTransformBuilder"/>.</returns>
     public ProjectiveTransformBuilder PrependQuadDistortion(PointF topLeft, PointF topRight, PointF bottomRight, PointF bottomLeft)
-        => this.Prepend(
-            size => QuadDistortionHelper.ComputeQuadDistortMatrix(new Rectangle(Point.Empty, size), topLeft, topRight, bottomRight, bottomLeft),
-            size => QuadDistortionHelper.ComputeQuadDistortMatrix(new Rectangle(Point.Empty, size), topLeft, topRight, bottomRight, bottomLeft));
+        => this.Prepend(size => QuadDistortionHelper.ComputeQuadDistortMatrix(new Rectangle(Point.Empty, size), topLeft, topRight, bottomRight, bottomLeft));
 
     /// <summary>
     /// Appends a quad distortion matrix using the specified corner points.
@@ -302,10 +300,7 @@ public class ProjectiveTransformBuilder
     /// <param name="bottomLeft">The bottom-left corner point of the distorted quad.</param>
     /// <returns>The <see cref="ProjectiveTransformBuilder"/>.</returns>
     public ProjectiveTransformBuilder AppendQuadDistortion(PointF topLeft, PointF topRight, PointF bottomRight, PointF bottomLeft)
-        => this.Append(
-            size => QuadDistortionHelper.ComputeQuadDistortMatrix(new Rectangle(Point.Empty, size), topLeft, topRight, bottomRight, bottomLeft),
-            size => QuadDistortionHelper.ComputeQuadDistortMatrix(new Rectangle(Point.Empty, size), topLeft, topRight, bottomRight, bottomLeft)
-        );
+        => this.Append(size => QuadDistortionHelper.ComputeQuadDistortMatrix(new Rectangle(Point.Empty, size), topLeft, topRight, bottomRight, bottomLeft));
 
     /// <summary>
     /// Prepends a raw matrix.