Use tabs as the canonical source indentation in git

Space conversion is done during generation only. Fixes #192

examples/pointers/pointers.go

@@ -12,7 +12,7 @@ import "fmt"
 // value. `zeroval` will get a copy of `ival` distinct
 // from the one in the calling function.
 func zeroval(ival int) {
-    ival = 0
+	ival = 0
 }
 
 // `zeroptr` in contrast has an `*int` parameter, meaning
@@ -22,21 +22,21 @@ func zeroval(ival int) {
 // Assigning a value to a dereferenced pointer changes the
 // value at the referenced address.
 func zeroptr(iptr *int) {
-    *iptr = 0
+	*iptr = 0
 }
 
 func main() {
-    i := 1
-    fmt.Println("initial:", i)
+	i := 1
+	fmt.Println("initial:", i)
 
-    zeroval(i)
-    fmt.Println("zeroval:", i)
+	zeroval(i)
+	fmt.Println("zeroval:", i)
 
-    // The `&i` syntax gives the memory address of `i`,
-    // i.e. a pointer to `i`.
-    zeroptr(&i)
-    fmt.Println("zeroptr:", i)
+	// The `&i` syntax gives the memory address of `i`,
+	// i.e. a pointer to `i`.
+	zeroptr(&i)
+	fmt.Println("zeroptr:", i)
 
-    // Pointers can be printed too.
-    fmt.Println("pointer:", &i)
+	// Pointers can be printed too.
+	fmt.Println("pointer:", &i)
 }

examples/pointers/pointers.hash

@@ -1,2 +1,2 @@
 85cff3345d2f22b65a5d54eb8f7aa8f508f27887
-KdE4TBbUL2
+fnQkHp4hriG