From 9edb7e7c9760ce32f9d706812d0d68a57a0f9cc2 Mon Sep 17 00:00:00 2001
From: John Peterson <jwpeterson@gmail.com>
Date: Tue, 21 Jan 2025 15:23:46 -0600
Subject: [PATCH 1/3] Skip misc_ex17 when PETSc is not enabled

---
 .../miscellaneous/miscellaneous_ex17/miscellaneous_ex17.C     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/examples/miscellaneous/miscellaneous_ex17/miscellaneous_ex17.C b/examples/miscellaneous/miscellaneous_ex17/miscellaneous_ex17.C
index e0d3f8996c..f9b1d9e5e5 100644
--- a/examples/miscellaneous/miscellaneous_ex17/miscellaneous_ex17.C
+++ b/examples/miscellaneous/miscellaneous_ex17/miscellaneous_ex17.C
@@ -81,6 +81,10 @@ int main (int argc, char ** argv)
   // Skip this 2D example if libMesh was compiled as 1D-only.
   libmesh_example_requires(2 <= LIBMESH_DIM, "2D support");
 
+  // This example is meant to test a PETSc-specific feature, so let's just skip it if
+  // libmesh is not built with Petsc support.
+  libmesh_example_requires(libMesh::default_solver_package() == PETSC_SOLVERS, "--enable-petsc");
+
   // Create a mesh, with dimension to be overridden later, distributed
   // across the default MPI communicator.
   Mesh mesh(init.comm());

From 90e43448a5c4836a5d33d0b030cd79f816ebd817 Mon Sep 17 00:00:00 2001
From: John Peterson <jwpeterson@gmail.com>
Date: Tue, 21 Jan 2025 15:36:08 -0600
Subject: [PATCH 2/3] Fix wrong link for vector_fe_ex9

---
 doc/html/src/examples.html | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/html/src/examples.html b/doc/html/src/examples.html
index 2a2cf7b5d2..7e3265e7cc 100644
--- a/doc/html/src/examples.html
+++ b/doc/html/src/examples.html
@@ -164,7 +164,7 @@ <h1>A Series of Example Programs</h1>
 
 <li><L1><a href="examples/vector_fe_ex8.html">Hybridized Local Discontinuous Galerkin Elements for Poisson</a></L1></li>
 
-<li><L1><a href="examples/vector_fe_ex8.html">Hybridized Local Discontinuous Galerkin Elements for Navier-Stokes</a></L1></li>
+<li><L1><a href="examples/vector_fe_ex9.html">Hybridized Local Discontinuous Galerkin Elements for Navier-Stokes</a></L1></li>
 
 </ol> </li>
 

From 45f092b6ded98812d382992f2fcdd182348c7214 Mon Sep 17 00:00:00 2001
From: John Peterson <jwpeterson@gmail.com>
Date: Tue, 21 Jan 2025 15:37:41 -0600
Subject: [PATCH 3/3] Keep example html link on single line

Not strictly necessary, but I prefer this since it matches how all the
other examples are formatted.
---
 doc/html/src/examples.html | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/doc/html/src/examples.html b/doc/html/src/examples.html
index 7e3265e7cc..1074897cb5 100644
--- a/doc/html/src/examples.html
+++ b/doc/html/src/examples.html
@@ -203,10 +203,7 @@ <h1>A Series of Example Programs</h1>
 
 <li><L1><a href="examples/miscellaneous_ex16.html">Static Condensation with Second Order Lagrange Elements</a></L1></li>
 
-<li>
-    <L1><a href="examples/miscellaneous_ex17.html">Demonstrating mix of preallocated/hash-table matrix assemblies</a>
-    </L1>
-</li>
+<li><L1><a href="examples/miscellaneous_ex17.html">Demonstrating mix of preallocated/hash-table matrix assemblies</a></L1></li>
 
 </ol> </li>