dont apply the theme forever

docs/examples/plotting_functions/mesh.md

@@ -55,12 +55,13 @@ normal_msh = GeometryBasics.normal_mesh(msh) # explicitely create mesh with norm
 
 colors = [:red, :green, :blue, :orange]
 # Axis3 currently doesn't support setting lights, so we just change them in the theme!
-set_theme!(lightposition=Vec3f(1, -1, 2), ambient=RGBf(0.2, 0.2, 0.2))
-f = Figure()
-# normals get generated automatically in the meshcall in both cases, since Makie@0.19.7
-mesh(f[1, 1], msh; color=colors, axis=(; type=Axis3, aspect=:data, title="No shading"), shading=false)
-mesh(f[2, 1], normal_msh; color=colors, axis=(; type=Axis3, aspect=:data, title="Automatic normals"))
-f
+with_theme(lightposition=Vec3f(1, -1, 2), ambient=RGBf(0.2, 0.2, 0.2)) do 
+    f = Figure()
+    # normals get generated automatically in the meshcall in both cases, since Makie@0.19.7
+    mesh(f[1, 1], msh; color=colors, axis=(; type=Axis3, aspect=:data, title="No shading"), shading=false)
+    mesh(f[2, 1], normal_msh; color=colors, axis=(; type=Axis3, aspect=:data, title="Automatic normals"))
+    f
+end
 ```
 \end{examplefigure}