Improve documentation and example formatting consistency (#4299)

* Improve doc and example consistency

Improve consistency of formatting in example shaders and remove
trailing spaces in documentation files. Fix minor typos.

7 files changed, 25 insertions, 25 deletions

diff --git a/examples/autodiff-texture/draw-quad.slang b/examples/autodiff-texture/draw-quad.slang
index 55a33b46b..6742e12fa 100644
--- a/examples/autodiff-texture/draw-quad.slang
+++ b/examples/autodiff-texture/draw-quad.slang
@@ -25,7 +25,7 @@ struct Fragment
 struct VertexStageOutput
 {
     float2 uv : UV;
-    float4          sv_position     : SV_Position;
+    float4 sv_position : SV_Position;
 };
 
 [shader("vertex")]
diff --git a/examples/autodiff-texture/reconstruct.slang b/examples/autodiff-texture/reconstruct.slang
index c123010e5..8ea033160 100644
--- a/examples/autodiff-texture/reconstruct.slang
+++ b/examples/autodiff-texture/reconstruct.slang
@@ -28,8 +28,8 @@ void computeMain(uint3 threadIdx : SV_DispatchThreadID)
         newDstValToAdd = (float3)dstVal.xyz * float3(1.0 / (dstVal.w * 65536.0));
 
     float4 existingVal = 0.0;
-    
-    if (dstLayer < layerCount - 1 )
+
+    if (dstLayer < layerCount - 1)
     {
         uint parentOffset = mipOffset[(dstLayer + 1) / 4][(dstLayer + 1) % 4];
         uint parentW = dstW / 2;
diff --git a/examples/autodiff-texture/train.slang b/examples/autodiff-texture/train.slang
index e171d3d71..c6a819d2f 100644
--- a/examples/autodiff-texture/train.slang
+++ b/examples/autodiff-texture/train.slang
@@ -2,12 +2,12 @@
 
 // This class encapsulates a differentiable texture object that uses
 // hardware sampling for the primal version, but substitutes a reference
-// interpolation implementation to generate backward pass. 
-// 
+// interpolation implementation to generate backward pass.
+//
 // This specific implementation also makes the choice to use fast fixed point
 // atomics to accumulate the derivative (suitable for this example, but maybe
 // not in general)
-// 
+//
 struct DifferentiableTexture
 {
     RWStructuredBuffer<int> accumulateBuffer; // Per-mip-level accumulate buffer
diff --git a/examples/gpu-printing/printing.slang b/examples/gpu-printing/printing.slang
index 0abf57e34..dc1ea3d5f 100644
--- a/examples/gpu-printing/printing.slang
+++ b/examples/gpu-printing/printing.slang
@@ -55,7 +55,8 @@ enum PrintingOp
 //
 // The core allocation operation here is `_allocatePrintWords()`
 
-    // Allocate space for one or more print commands.
+// Allocate space for one or more print commands.
+//
 uint _allocatePrintWords(uint wordCount)
 {
     // We allocate the required number of words with an atomic, and
@@ -214,12 +215,12 @@ extension String : IPrintable
 // to scale up to a two-argument `println()` function that can
 // work for any combination of printable types.
 
-    // Print two values, `a` and `b`.
-    //
-    // This function ensures that the values of `a` and `b`
-    // are written out atomically, without values printed
-    // from other threads spliced in between.
-    //
+// Print two values, `a` and `b`.
+//
+// This function ensures that the values of `a` and `b`
+// are written out atomically, without values printed
+// from other threads spliced in between.
+//
 void println<A : IPrintable, B : IPrintable>(A a, B b)
 {
     // To print two values atomically, we must first
diff --git a/examples/model-viewer/shaders.slang b/examples/model-viewer/shaders.slang
index 81ec89d03..d99a4b1da 100644
--- a/examples/model-viewer/shaders.slang
+++ b/examples/model-viewer/shaders.slang
@@ -90,7 +90,7 @@ struct BlinnPhong : IBRDF
         // for our example cube, and the result is a non-finite value
         // coming out of `evaluate()` if we include the specular term.
 
-//        return kd*nDotL + ks*pow(nDotH, specularity);
+        // return kd*nDotL + ks*pow(nDotH, specularity);
         return kd*nDotL;
     }
 };
@@ -142,7 +142,6 @@ interface IMaterial
 // assumption in the shader code that `gMaterial` will be plugged
 // in using an instance of `SimpleMaterial`
 //
-//
 struct SimpleMaterial : IMaterial
 {
     // We declare the properties we need as fields of the material type.
@@ -200,7 +199,7 @@ interface ILightEnv
     float3 illuminate<B:IBRDF>(SurfaceGeometry g, B brdf, float3 wo);
     //
     // Note that the `illuminate()` method is allowed as an interface
-    // requirement in Slang even though it is a generic. Constract that
+    // requirement in Slang even though it is a generic. Contrast that
     // with C++ where a `template` method cannot be `virtual`.
 };
 
diff --git a/examples/shader-toy/example-effect.slang b/examples/shader-toy/example-effect.slang
index 966894a87..a79f53192 100644
--- a/examples/shader-toy/example-effect.slang
+++ b/examples/shader-toy/example-effect.slang
@@ -43,29 +43,29 @@ void mainImage(out vec4 fragColor, in vec2 fragCoord)
 
     float frequency = 5.0f;
     vec2 pos = (uv + iTime*vec2(0.25f, 0.0f)) * frequency;
-    
+
     vec2 center = floor(pos + vec2(0.5));
-    
+
     float r0 = rand(center.x*3.0f  + center.y*7.0f);
     float r1 = rand(center.x*7.0f  + center.y*13.0f);
     float r2 = rand(center.x*13.0f + center.y*3.0f);
-    
+
     float p = mix(0.0f, 4.0f, r0);
     float f = mix(5.0f, 8.0f, r1);
-    
+
     float a = 0.5f * (1.0f + cos(iTime*f + p));
-    
+
     float rad0 = mix(0.1, 0.4, r2);
     float rad1 = mix(0.2, 0.9, r0);
-    
+
     float radius = 0.5f*mix(rad0, rad1, a);
 
     vec2 delta = pos - center;
     float distance = length(delta);
-  
+
     fragColor.xyz = vec3(r0, r1, r2);
     fragColor.w = 1.0f;
-    
+
     if(distance > radius) fragColor.xyz = vec3(0.25f);
 }
 
diff --git a/examples/shader-toy/shader-toy.slang b/examples/shader-toy/shader-toy.slang
index e434e2680..41949f389 100644
--- a/examples/shader-toy/shader-toy.slang
+++ b/examples/shader-toy/shader-toy.slang
@@ -330,7 +330,7 @@ struct mat2
 //      }
 //
 // Instead, we will define an ordinary function for the one case that
-// we 've run into in a test effect so far:
+// we've run into in a test effect so far:
 //
 void mulAssign(inout vec2 left, mat2 right)
 {