Piddly things

2 files changed, 185 insertions, 185 deletions

diff --git a/go.html.markdown b/go.html.markdown
index e7b35926..4db76a49 100644
--- a/go.html.markdown
+++ b/go.html.markdown
@@ -18,7 +18,7 @@ help with large-scale programming.
 
 Go comes with a great standard library and an enthusiastic community.
 
-```Go
+```go
 // Single line comment
 /* Multi-
    line comment */
@@ -29,260 +29,260 @@ package main
 
 // Import declaration declares library packages referenced in this file.
 import (
-	"fmt"      // A package in the Go standard library
-	"net/http" // Yes, a web server!
-	"strconv"  // String conversions
+    "fmt"      // A package in the Go standard library
+    "net/http" // Yes, a web server!
+    "strconv"  // String conversions
 )
 
 // A function definition.  Main is special.  It is the entry point for the
 // executable program.  Love it or hate it, Go uses brace brackets.
 func main() {
-	// Println outputs a line to stdout.
-	// Qualify it with the package name, fmt.
-	fmt.Println("Hello world!")
+    // Println outputs a line to stdout.
+    // Qualify it with the package name, fmt.
+    fmt.Println("Hello world!")
 
-	// Call another function within this package.
-	beyondHello()
+    // Call another function within this package.
+    beyondHello()
 }
 
 // Functions have parameters in parentheses.
 // If there are no parameters, empty parens are still required.
 func beyondHello() {
-	var x int // Variable declaration.  Variables must be declared before use.
-	x = 3     // Variable assignment.
-	// "Short" declarations use := to infer the type, declare, and assign.
-	y := 4
-	sum, prod := learnMultiple(x, y)        // function returns two values
-	fmt.Println("sum:", sum, "prod:", prod) // simple output
-	learnTypes()                            // < y minutes, learn more!
+    var x int // Variable declaration.  Variables must be declared before use.
+    x = 3     // Variable assignment.
+    // "Short" declarations use := to infer the type, declare, and assign.
+    y := 4
+    sum, prod := learnMultiple(x, y)        // function returns two values
+    fmt.Println("sum:", sum, "prod:", prod) // simple output
+    learnTypes()                            // < y minutes, learn more!
 }
 
 // Functions can have parameters and (multiple!) return values.
 func learnMultiple(x, y int) (sum, prod int) {
-	return x + y, x * y // return two values
+    return x + y, x * y // return two values
 }
 
 // Some built-in types and literals.
 func learnTypes() {
-	// Short declaration usually gives you what you want.
-	s := "Learn Go!" // string type
+    // Short declaration usually gives you what you want.
+    s := "Learn Go!" // string type
 
-	s2 := `A "raw" string literal
+    s2 := `A "raw" string literal
 can include line breaks.` // same string type
 
-	// non-ASCII literal.  Go source is UTF-8.
-	g := 'Σ' // rune type, an alias for uint32, holds a UTF-8 code point
+    // non-ASCII literal.  Go source is UTF-8.
+    g := 'Σ' // rune type, an alias for uint32, holds a UTF-8 code point
 
-	f := 3.14195 // float64, an IEEE-754 64-bit floating point number
-	c := 3 + 4i  // complex128, represented internally with two float64s
+    f := 3.14195 // float64, an IEEE-754 64-bit floating point number
+    c := 3 + 4i  // complex128, represented internally with two float64s
 
-	// Var syntax with an initializers.
-	var u uint = 7 // unsigned, but implementation dependent size as with int
-	var pi float32 = 22. / 7
+    // Var syntax with an initializers.
+    var u uint = 7 // unsigned, but implementation dependent size as with int
+    var pi float32 = 22. / 7
 
-	// Conversion syntax with a short declaration.
-	n := byte('\n') // byte is an alias for uint8
+    // Conversion syntax with a short declaration.
+    n := byte('\n') // byte is an alias for uint8
 
-	// Arrays have size fixed at compile time.
-	var a4 [4]int           // an array of 4 ints, initialized to all 0
-	a3 := [...]int{3, 1, 5} // an array of 3 ints, initialized as shown
+    // Arrays have size fixed at compile time.
+    var a4 [4]int           // an array of 4 ints, initialized to all 0
+    a3 := [...]int{3, 1, 5} // an array of 3 ints, initialized as shown
 
-	// Slices have dynamic size.  Arrays and slices each have advantages
-	// but use cases for slices are much more common.
-	s3 := []int{4, 5, 9}    // compare to a3.  no ellipsis here
-	s4 := make([]int, 4)    // allocates slice of 4 ints, initialized to all 0
-	var d2 [][]float64      // declaration only, nothing allocated here
-	bs := []byte("a slice") // type conversion syntax
+    // Slices have dynamic size.  Arrays and slices each have advantages
+    // but use cases for slices are much more common.
+    s3 := []int{4, 5, 9}    // compare to a3.  no ellipsis here
+    s4 := make([]int, 4)    // allocates slice of 4 ints, initialized to all 0
+    var d2 [][]float64      // declaration only, nothing allocated here
+    bs := []byte("a slice") // type conversion syntax
 
-	p, q := learnMemory() // declares p, q to be type pointer to int.
-	fmt.Println(*p, *q)   // * follows a pointer.  This prints two ints.
+    p, q := learnMemory() // declares p, q to be type pointer to int.
+    fmt.Println(*p, *q)   // * follows a pointer.  This prints two ints.
 
-	// Maps are a dynamically growable associative array type, like the
-	// hash or dictionary types of some other languages.
-	m := map[string]int{"three": 3, "four": 4}
-	m["one"] = 1
+    // Maps are a dynamically growable associative array type, like the
+    // hash or dictionary types of some other languages.
+    m := map[string]int{"three": 3, "four": 4}
+    m["one"] = 1
 
-	// Unused variables are an error in Go.
-	// The underbar lets you "use" a variable but discard its value.
-	_, _, _, _, _, _, _, _, _ = s2, g, f, u, pi, n, a3, s4, bs
-	// Output of course counts as using a variable.
-	fmt.Println(s, c, a4, s3, d2, m)
+    // Unused variables are an error in Go.
+    // The underbar lets you "use" a variable but discard its value.
+    _, _, _, _, _, _, _, _, _ = s2, g, f, u, pi, n, a3, s4, bs
+    // Output of course counts as using a variable.
+    fmt.Println(s, c, a4, s3, d2, m)
 
-	learnFlowControl() // back in the flow
+    learnFlowControl() // back in the flow
 }
 
 // Go is fully garbage collected.  It has pointers but no pointer arithmetic.
 // You can make a mistake with a nil pointer, but not by incrementing a pointer.
 func learnMemory() (p, q *int) {
-	// Named return values p and q have type pointer to int.
-	p = new(int) // built-in function new allocates memory.
-	// The allocated int is initialized to 0, p is no longer nil.
-	s := make([]int, 20) // allocate 20 ints as a single block of memory
-	s[3] = 7             // assign one of them
-	r := -2              // declare another local variable
-	return &s[3], &r     // & takes the address of an object.
+    // Named return values p and q have type pointer to int.
+    p = new(int) // built-in function new allocates memory.
+    // The allocated int is initialized to 0, p is no longer nil.
+    s := make([]int, 20) // allocate 20 ints as a single block of memory
+    s[3] = 7             // assign one of them
+    r := -2              // declare another local variable
+    return &s[3], &r     // & takes the address of an object.
 }
 
 func expensiveComputation() int {
-	return 1e6
+    return 1e6
 }
 
 func learnFlowControl() {
-	// If statements require brace brackets, and do not require parens.
-	if true {
-		fmt.Println("told ya")
-	}
-	// Formatting is standardized by the command line command "go fmt."
-	if false {
-		// pout
-	} else {
-		// gloat
-	}
-	// Use switch in preference to chained if statements.
-	x := 1
-	switch x {
-	case 0:
-	case 1:
-		// cases don't "fall through"
-	case 2:
-		// unreached
-	}
-	// Like if, for doesn't use parens either.
-	for x := 0; x < 3; x++ { // ++ is a statement
-		fmt.Println("iteration", x)
-	}
-	// x == 1 here.
-
-	// For is the only loop statement in Go, but it has alternate forms.
-	for { // infinite loop
-		break    // just kidding
-		continue // unreached
-	}
-	// As with for, := in an if statement means to declare and assign y first,
-	// then test y > x.
-	if y := expensiveComputation(); y > x {
-		x = y
-	}
-	// Function literals are closures.
-	xBig := func() bool {
-		return x > 100 // references x declared above switch statement.
-	}
-	fmt.Println("xBig:", xBig()) // true (we last assigned 1e6 to x)
-	x /= 1e5                     // this makes it == 10
-	fmt.Println("xBig:", xBig()) // false now
-
-	// When you need it, you'll love it.
-	goto love
+    // If statements require brace brackets, and do not require parens.
+    if true {
+        fmt.Println("told ya")
+    }
+    // Formatting is standardized by the command line command "go fmt."
+    if false {
+        // pout
+    } else {
+        // gloat
+    }
+    // Use switch in preference to chained if statements.
+    x := 1
+    switch x {
+    case 0:
+    case 1:
+        // cases don't "fall through"
+    case 2:
+        // unreached
+    }
+    // Like if, for doesn't use parens either.
+    for x := 0; x < 3; x++ { // ++ is a statement
+        fmt.Println("iteration", x)
+    }
+    // x == 1 here.
+
+    // For is the only loop statement in Go, but it has alternate forms.
+    for { // infinite loop
+        break    // just kidding
+        continue // unreached
+    }
+    // As with for, := in an if statement means to declare and assign y first,
+    // then test y > x.
+    if y := expensiveComputation(); y > x {
+        x = y
+    }
+    // Function literals are closures.
+    xBig := func() bool {
+        return x > 100 // references x declared above switch statement.
+    }
+    fmt.Println("xBig:", xBig()) // true (we last assigned 1e6 to x)
+    x /= 1e5                     // this makes it == 10
+    fmt.Println("xBig:", xBig()) // false now
+
+    // When you need it, you'll love it.
+    goto love
 love:
 
-	learnInterfaces() // Good stuff coming up!
+    learnInterfaces() // Good stuff coming up!
 }
 
 // Define Stringer as an interface type with one method, String.
 type Stringer interface {
-	String() string
+    String() string
 }
 
 // Define pair as a struct with two fields, ints named x and y.
 type pair struct {
-	x, y int
+    x, y int
 }
 
 // Define a method on type pair.  Pair now implements Stringer.
 func (p pair) String() string { // p is called the "receiver"
-	// Sprintf is another public function in package fmt.
-	// Dot syntax references fields of p.
-	return fmt.Sprintf("(%d, %d)", p.x, p.y)
+    // Sprintf is another public function in package fmt.
+    // Dot syntax references fields of p.
+    return fmt.Sprintf("(%d, %d)", p.x, p.y)
 }
 
 func learnInterfaces() {
-	// Brace syntax is a "struct literal."  It evaluates to an initialized
-	// struct.  The := syntax declares and initializes p to this struct.
-	p := pair{3, 4}
-	fmt.Println(p.String()) // call String method of p, of type pair.
-	var i Stringer          // declare i of interface type Stringer.
-	i = p                   // valid because pair implements Stringer
-	// Call String method of i, of type Stringer.  Output same as above.
-	fmt.Println(i.String())
-
-	// Functions in the fmt package call the String method to ask an object
-	// for a printable representation of itself.
-	fmt.Println(p) // output same as above. Println calls String method.
-	fmt.Println(i) // output same as above
-
-	learnErrorHandling()
+    // Brace syntax is a "struct literal."  It evaluates to an initialized
+    // struct.  The := syntax declares and initializes p to this struct.
+    p := pair{3, 4}
+    fmt.Println(p.String()) // call String method of p, of type pair.
+    var i Stringer          // declare i of interface type Stringer.
+    i = p                   // valid because pair implements Stringer
+    // Call String method of i, of type Stringer.  Output same as above.
+    fmt.Println(i.String())
+
+    // Functions in the fmt package call the String method to ask an object
+    // for a printable representation of itself.
+    fmt.Println(p) // output same as above. Println calls String method.
+    fmt.Println(i) // output same as above
+
+    learnErrorHandling()
 }
 
 func learnErrorHandling() {
-	// ", ok" idiom used to tell if something worked or not.
-	m := map[int]string{3: "three", 4: "four"}
-	if x, ok := m[1]; !ok { // ok will be false because 1 is not in the map.
-		fmt.Println("no one there")
-	} else {
-		fmt.Print(x) // x would be the value, if it were in the map.
-	}
-	// An error value communicates not just "ok" but more about the problem.
-	if _, err := strconv.Atoi("non-int"); err != nil { // _ discards value
-		// prints "strconv.ParseInt: parsing "non-int": invalid syntax"
-		fmt.Println(err)
-	}
-	// We'll revisit interfaces a little later.  Meanwhile,
-	learnConcurrency()
+    // ", ok" idiom used to tell if something worked or not.
+    m := map[int]string{3: "three", 4: "four"}
+    if x, ok := m[1]; !ok { // ok will be false because 1 is not in the map.
+        fmt.Println("no one there")
+    } else {
+        fmt.Print(x) // x would be the value, if it were in the map.
+    }
+    // An error value communicates not just "ok" but more about the problem.
+    if _, err := strconv.Atoi("non-int"); err != nil { // _ discards value
+        // prints "strconv.ParseInt: parsing "non-int": invalid syntax"
+        fmt.Println(err)
+    }
+    // We'll revisit interfaces a little later.  Meanwhile,
+    learnConcurrency()
 }
 
 // c is a channel, a concurrency-safe communication object.
 func inc(i int, c chan int) {
-	c <- i + 1 // <- is the "send" operator when a channel appears on the left.
+    c <- i + 1 // <- is the "send" operator when a channel appears on the left.
 }
 
 // We'll use inc to increment some numbers concurrently.
 func learnConcurrency() {
-	// Same make function used earlier to make a slice.  Make allocates and
-	// initializes slices, maps, and channels.
-	c := make(chan int)
-	// Start three concurrent goroutines.  Numbers will be incremented
-	// concurrently, perhaps in parallel if the machine is capable and
-	// properly configured.  All three send to the same channel.
-	go inc(0, c) // go is a statement that starts a new goroutine.
-	go inc(10, c)
-	go inc(-805, c)
-	// Read three results from the channel and print them out.
-	// There is no telling in what order the results will arrive!
-	fmt.Println(<-c, <-c, <-c) // channel on right, <- is "receive" operator.
-
-	cs := make(chan string)       // another channel, this one handles strings.
-	cc := make(chan chan string)  // a channel of channels.
-	go func() { c <- 84 }()       // start a new goroutine just to send a value
-	go func() { cs <- "wordy" }() // again, for cs this time
-	// Select has syntax like a switch statement but each case involves
-	// a channel operation.  It selects a case at random out of the cases
-	// that are ready to communicate.
-	select {
-	case i := <-c: // the value received can be assigned to a variable
-		fmt.Println("it's a", i)
-	case <-cs: // or the value received can be discarded
-		fmt.Println("it's a string")
-	case <-cc: // empty channel, not ready for communication.
-		fmt.Println("didn't happen.")
-	}
-	// At this point a value was taken from either c or cs.  One of the two
-	// goroutines started above has completed, the other will remain blocked.
-
-	learnWebProgramming() // Go does it.  You want to do it too.
+    // Same make function used earlier to make a slice.  Make allocates and
+    // initializes slices, maps, and channels.
+    c := make(chan int)
+    // Start three concurrent goroutines.  Numbers will be incremented
+    // concurrently, perhaps in parallel if the machine is capable and
+    // properly configured.  All three send to the same channel.
+    go inc(0, c) // go is a statement that starts a new goroutine.
+    go inc(10, c)
+    go inc(-805, c)
+    // Read three results from the channel and print them out.
+    // There is no telling in what order the results will arrive!
+    fmt.Println(<-c, <-c, <-c) // channel on right, <- is "receive" operator.
+
+    cs := make(chan string)       // another channel, this one handles strings.
+    cc := make(chan chan string)  // a channel of channels.
+    go func() { c <- 84 }()       // start a new goroutine just to send a value
+    go func() { cs <- "wordy" }() // again, for cs this time
+    // Select has syntax like a switch statement but each case involves
+    // a channel operation.  It selects a case at random out of the cases
+    // that are ready to communicate.
+    select {
+    case i := <-c: // the value received can be assigned to a variable
+        fmt.Println("it's a", i)
+    case <-cs: // or the value received can be discarded
+        fmt.Println("it's a string")
+    case <-cc: // empty channel, not ready for communication.
+        fmt.Println("didn't happen.")
+    }
+    // At this point a value was taken from either c or cs.  One of the two
+    // goroutines started above has completed, the other will remain blocked.
+
+    learnWebProgramming() // Go does it.  You want to do it too.
 }
 
 // A single function from package http starts a web server.
 func learnWebProgramming() {
-	// ListenAndServe first parameter is TCP address to listen at.
-	// Second parameter is an interface, specifically http.Handler.
-	err := http.ListenAndServe(":8080", pair{})
-	fmt.Println(err) // don't ignore errors
+    // ListenAndServe first parameter is TCP address to listen at.
+    // Second parameter is an interface, specifically http.Handler.
+    err := http.ListenAndServe(":8080", pair{})
+    fmt.Println(err) // don't ignore errors
 }
 
 // Make pair an http.Handler by implementing its only method, ServeHTTP.
 func (p pair) ServeHTTP(w http.ResponseWriter, r *http.Request) {
-	// Serve data with a method of http.ResponseWriter
-	w.Write([]byte("You learned Go in Y minutes!"))
+    // Serve data with a method of http.ResponseWriter
+    w.Write([]byte("You learned Go in Y minutes!"))
 }
 ```
 
diff --git a/pt-br/elisp-pt.html.markdown b/pt-br/elisp-pt.html.markdown
index 9031cad9..fc2d1e40 100644
--- a/pt-br/elisp-pt.html.markdown
+++ b/pt-br/elisp-pt.html.markdown
@@ -4,7 +4,7 @@ contributors:
     - ["Bastien Guerry", "http://bzg.fr"]
 translators:
     - ["Lucas Tadeu Teixeira", "http://ltt.me"]
-lang: pt-br    
+lang: pt-br
 filename: learn-emacs-lisp-pt.el
 ---
 
@@ -30,9 +30,9 @@ filename: learn-emacs-lisp-pt.el
 ;; Realizar este tutorial não danificará seu computador, a menos
 ;; que você fique tão irritado a ponto de jogá-lo no chão. Neste caso,
 ;; me abstenho de qualquer responsabilidade. Divirta-se!
- 
+
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;; 
+;;
 ;; Abra o Emacs.
 ;;
 ;; Aperte a tecla `q' para ocultar a mensagem de boas vindas.
@@ -45,11 +45,11 @@ filename: learn-emacs-lisp-pt.el
 ;; O buffer de rascunho (i.e., "scratch") é o buffer padrão quando
 ;; o Emacs é aberto. Você nunca está editando arquivos: você está
 ;; editando buffers que você pode salvar em um arquivo.
-;; 
+;;
 ;; "Lisp interaction" refere-se a um conjunto de comandos disponíveis aqui.
-;; 
-;; O Emacs possui um conjunto de comandos embutidos (disponíveis em 
-;; qualquer buffer) e vários subconjuntos de comandos disponíveis 
+;;
+;; O Emacs possui um conjunto de comandos embutidos (disponíveis em
+;; qualquer buffer) e vários subconjuntos de comandos disponíveis
 ;; quando você ativa um modo específico. Aqui nós utilizamos
 ;; `lisp-interaction-mode', que possui comandos para interpretar e navegar
 ;; em código Elisp.
@@ -137,7 +137,7 @@ filename: learn-emacs-lisp-pt.el
 ;; => [a tela exibirá duas janelas e o cursor estará no buffer *test*]
 
 ;; Posicione o mouse sobre a janela superior e clique com o botão
-;; esquerdo para voltar. Ou você pode utilizar `C-xo' (i.e. segure 
+;; esquerdo para voltar. Ou você pode utilizar `C-xo' (i.e. segure
 ;; ctrl-x e aperte o) para voltar para a outra janela, de forma interativa.
 
 ;; Você pode combinar várias "sexps" com `progn':