Use tabs as the canonical source indentation in git

Space conversion is done during generation only. Fixes #192

examples/string-functions/string-functions.go

@@ -13,32 +13,32 @@ var p = fmt.Println
 
 func main() {
 
-    // Here's a sample of the functions available in
-    // `strings`. Since these are functions from the
-    // package, not methods on the string object itself,
-    // we need pass the string in question as the first
-    // argument to the function. You can find more
-    // functions in the [`strings`](http://golang.org/pkg/strings/)
-    // package docs.
-    p("Contains:  ", s.Contains("test", "es"))
-    p("Count:     ", s.Count("test", "t"))
-    p("HasPrefix: ", s.HasPrefix("test", "te"))
-    p("HasSuffix: ", s.HasSuffix("test", "st"))
-    p("Index:     ", s.Index("test", "e"))
-    p("Join:      ", s.Join([]string{"a", "b"}, "-"))
-    p("Repeat:    ", s.Repeat("a", 5))
-    p("Replace:   ", s.Replace("foo", "o", "0", -1))
-    p("Replace:   ", s.Replace("foo", "o", "0", 1))
-    p("Split:     ", s.Split("a-b-c-d-e", "-"))
-    p("ToLower:   ", s.ToLower("TEST"))
-    p("ToUpper:   ", s.ToUpper("test"))
-    p()
+	// Here's a sample of the functions available in
+	// `strings`. Since these are functions from the
+	// package, not methods on the string object itself,
+	// we need pass the string in question as the first
+	// argument to the function. You can find more
+	// functions in the [`strings`](http://golang.org/pkg/strings/)
+	// package docs.
+	p("Contains:  ", s.Contains("test", "es"))
+	p("Count:     ", s.Count("test", "t"))
+	p("HasPrefix: ", s.HasPrefix("test", "te"))
+	p("HasSuffix: ", s.HasSuffix("test", "st"))
+	p("Index:     ", s.Index("test", "e"))
+	p("Join:      ", s.Join([]string{"a", "b"}, "-"))
+	p("Repeat:    ", s.Repeat("a", 5))
+	p("Replace:   ", s.Replace("foo", "o", "0", -1))
+	p("Replace:   ", s.Replace("foo", "o", "0", 1))
+	p("Split:     ", s.Split("a-b-c-d-e", "-"))
+	p("ToLower:   ", s.ToLower("TEST"))
+	p("ToUpper:   ", s.ToUpper("test"))
+	p()
 
-    // Not part of `strings`, but worth mentioning here, are
-    // the mechanisms for getting the length of a string in
-    // bytes and getting a byte by index.
-    p("Len: ", len("hello"))
-    p("Char:", "hello"[1])
+	// Not part of `strings`, but worth mentioning here, are
+	// the mechanisms for getting the length of a string in
+	// bytes and getting a byte by index.
+	p("Len: ", len("hello"))
+	p("Char:", "hello"[1])
 }
 
 // Note that `len` and indexing above work at the byte level.

examples/string-functions/string-functions.hash

@@ -1,2 +1,2 @@
 17aa523bbd606fa0b624fae44b89812d46330755
-Lf5_Zbg6or
+Vn4D3y4_711