Fix #4269 - Removes empty/special characters (#4270)

* Remove ufeff

* Remove u2064

* Remove u2062

* Replace u202f followed by : with  :

* Replace u202f next to « or » with   and « or »

* Replace u202f followed by ; with  ;

* Replace u202f followed by ! with  

* Replace u202f followed by ? with  ?

* Replace remaining u202f with classical space

* Replace u200b surrounded by space  with classical space

* Replace u200b surrounded by space  with classical space - again (repeated)

* Remove remaining u200b

* Remove u200a

* Replace u2009 with  

* Remove u00ad

* Replace u00a0 followed by : ! or ? with   and punctuation

* Replace u00a0 surrounded « or » with   and punctuation

* Replace u00a0 followed by whitespaces

* Replace u00a0 preceded by whitespaces

* Replace u00a0 followed by a newline with a newline

* Replace u00a0 followed by a newline with a newline - Take2

* Replace u00a0 followed by a ;   and punctuation

* Remove u00a0 followed by ,

* Remove u00a0 in indentation spaces with \n([ ]*)([\u00a0])([ ]*)

* Manual replacement of ([\u00a0])([ ]+)

* Replace remaining ([\u00a0]+) by a space

* cleaning empty elements

* remove ufe0f

* Remove u00a0 and u202f after merging against updated main

* remove double whitespace using (\w)(  )(\w)

1 files changed, 198 insertions, 198 deletions

diff --git a/files/fr/web/api/canvas_api/tutorial/compositing/example/index.md b/files/fr/web/api/canvas_api/tutorial/compositing/example/index.md
index e3343ba8a3..283e149ca1 100644
--- a/files/fr/web/api/canvas_api/tutorial/compositing/example/index.md
+++ b/files/fr/web/api/canvas_api/tutorial/compositing/example/index.md
@@ -25,11 +25,11 @@ Ce code configure les valeurs globales utilisées par le reste du programme.
 var canvas1 = document.createElement("canvas");
 var canvas2 = document.createElement("canvas");
 var gco = [ 'source-over','source-in','source-out','source-atop',
-            'destination-over','destination-in','destination-out','destination-atop',
-            'lighter', 'copy','xor', 'multiply', 'screen', 'overlay', 'darken',
-            'lighten', 'color-dodge', 'color-burn', 'hard-light', 'soft-light',
-            'difference', 'exclusion', 'hue', 'saturation', 'color', 'luminosity'
-          ].reverse();
+            'destination-over','destination-in','destination-out','destination-atop',
+            'lighter', 'copy','xor', 'multiply', 'screen', 'overlay', 'darken',
+            'lighten', 'color-dodge', 'color-burn', 'hard-light', 'soft-light',
+            'difference', 'exclusion', 'hue', 'saturation', 'color', 'luminosity'
+          ].reverse();
 var gcoText = [
 "C'est la configuration par défaut, elle dessine les nouvelles formes au-dessus du contenu existant sur le canvas.",
 "La nouvelle forme est dessinée uniquement là où il y a déjà du contenu sur le canvas. Tout le reste est rendu transparent.",
@@ -68,21 +68,21 @@ Quand la page se charge, le code suivant s'exécute pour configurer et exécuter
 
 ```js
 window.onload = function() {
-    // lum en sRGB
-    var lum = {
-        r: 0.33,
-        g: 0.33,
-        b: 0.33
-    };
-    // redimensionne le canvas
-    canvas1.width = width;
-    canvas1.height = height;
-    canvas2.width = width;
-    canvas2.height = height;
-    lightMix()
-    colorSphere();
-    runComposite();
-    return;
+    // lum en sRGB
+    var lum = {
+        r: 0.33,
+        g: 0.33,
+        b: 0.33
+    };
+    // redimensionne le canvas
+    canvas1.width = width;
+    canvas1.height = height;
+    canvas2.width = width;
+    canvas2.height = height;
+    lightMix()
+    colorSphere();
+    runComposite();
+    return;
 };
 ```
 
@@ -90,74 +90,74 @@ Et dans le code suivant, `runComposite()` gère la majeure partie du travail, en
 
 ```js
 function createCanvas() {
-    var canvas = document.createElement("canvas");
-    canvas.style.background = "url("+op_8x8.data+")";
-    canvas.style.border = "1px solid #000";
-    canvas.style.margin = "5px";
-    canvas.width = width/2;
-    canvas.height = height/2;
-    return canvas;
+    var canvas = document.createElement("canvas");
+    canvas.style.background = "url("+op_8x8.data+")";
+    canvas.style.border = "1px solid #000";
+    canvas.style.margin = "5px";
+     canvas.width = width/2;
+    canvas.height = height/2;
+    return canvas;
 }
 
 function runComposite() {
-    var dl = document.createElement("dl");
-    document.body.appendChild(dl);
-    while(gco.length) {
-        var pop = gco.pop();
-        var dt = document.createElement("dt");
-        dt.textContent = pop;
-        dl.appendChild(dt);
-        var dd = document.createElement("dd");
-        var p = document.createElement("p");
-        p.textContent = gcoText.pop();
-        dd.appendChild(p);
+    var dl = document.createElement("dl");
+    document.body.appendChild(dl);
+    while(gco.length) {
+        var pop = gco.pop();
+        var dt = document.createElement("dt");
+        dt.textContent = pop;
+        dl.appendChild(dt);
+        var dd = document.createElement("dd");
+        var p = document.createElement("p");
+        p.textContent = gcoText.pop();
+        dd.appendChild(p);
 
-        var canvasToDrawOn = createCanvas();
-        var canvasToDrawFrom = createCanvas();
-        var canvasToDrawResult = createCanvas();
+        var canvasToDrawOn = createCanvas();
+        var canvasToDrawFrom = createCanvas();
+        var canvasToDrawResult = createCanvas();
 
-        var ctx = canvasToDrawResult.getContext('2d');
-        ctx.clearRect(0, 0, width, height)
-        ctx.save();
-        ctx.drawImage(canvas1, 0, 0, width/2, height/2);
-        ctx.globalCompositeOperation = pop;
-        ctx.drawImage(canvas2, 0, 0, width/2, height/2);
-        ctx.globalCompositeOperation = "source-over";
-        ctx.fillStyle = "rgba(0,0,0,0.8)";
-        ctx.fillRect(0, height/2 - 20, width/2, 20);
-        ctx.fillStyle = "#FFF";
-        ctx.font = "14px arial";
-        ctx.fillText(pop, 5, height/2 - 5);
-        ctx.restore();
-
-        var ctx = canvasToDrawOn.getContext('2d');
-        ctx.clearRect(0, 0, width, height)
-        ctx.save();
-        ctx.drawImage(canvas1, 0, 0, width/2, height/2);
-        ctx.fillStyle = "rgba(0,0,0,0.8)";
-        ctx.fillRect(0, height/2 - 20, width/2, 20);
-        ctx.fillStyle = "#FFF";
-        ctx.font = "14px arial";
-        ctx.fillText('existing content', 5, height/2 - 5);
-        ctx.restore();
-
-        var ctx = canvasToDrawFrom.getContext('2d');
-        ctx.clearRect(0, 0, width, height)
-        ctx.save();
-        ctx.drawImage(canvas2, 0, 0, width/2, height/2);
-        ctx.fillStyle = "rgba(0,0,0,0.8)";
-        ctx.fillRect(0, height/2 - 20, width/2, 20);
-        ctx.fillStyle = "#FFF";
-        ctx.font = "14px arial";
-        ctx.fillText('new content', 5, height/2 - 5);
-        ctx.restore();
-
-        dd.appendChild(canvasToDrawOn);
-        dd.appendChild(canvasToDrawFrom);
-        dd.appendChild(canvasToDrawResult);
-
-        dl.appendChild(dd);
-    }
+        var ctx = canvasToDrawResult.getContext('2d');
+        ctx.clearRect(0, 0, width, height)
+        ctx.save();
+        ctx.drawImage(canvas1, 0, 0, width/2, height/2);
+        ctx.globalCompositeOperation = pop;
+        ctx.drawImage(canvas2, 0, 0, width/2, height/2);
+        ctx.globalCompositeOperation = "source-over";
+        ctx.fillStyle = "rgba(0,0,0,0.8)";
+        ctx.fillRect(0, height/2 - 20, width/2, 20);
+        ctx.fillStyle = "#FFF";
+        ctx.font = "14px arial";
+        ctx.fillText(pop, 5, height/2 - 5);
+        ctx.restore();
+        
+        var ctx = c
+        ctx.clearRe
+        ctx.save();
+        ctx.drawImage(canvas1, 
+        ctx.fillStyle =
+        ctx.fillRect(0,
+        ctx.fillStyle 
+        ctx.font = "14
+        ctx.fillText('
+        ctx.restore
+        
+        var ctx = c
+        ctx.clearRe
+        ctx.save();
+        ctx.drawImage(c
+        ctx.fillStyle =
+        ctx.fillRect(0,
+         ctx.fillStyle = "#
+        ctx.font = "14p
+      x.fillText('new c
+      x.restore();
+             
+                    dd.appendChil
+                  dd.appendChild(canvasToDrawFrom);
+        dd.appendChild(canvasToDrawResult);
+                            
+     dl.appendChild(dd);
+    }
 };
 ```
 
@@ -167,59 +167,59 @@ Notre programme repose sur un certain nombbre de fonctions utilitaires:
 
 ```js
 var lightMix = function() {
-    var ctx = canvas2.getContext("2d");
-    ctx.save();
-    ctx.globalCompositeOperation = "lighter";
-    ctx.beginPath();
-    ctx.fillStyle = "rgba(255,0,0,1)";
-    ctx.arc(100, 200, 100, Math.PI*2, 0, false);
-    ctx.fill()
-    ctx.beginPath();
-    ctx.fillStyle = "rgba(0,0,255,1)";
-    ctx.arc(220, 200, 100, Math.PI*2, 0, false);
-    ctx.fill()
-    ctx.beginPath();
-    ctx.fillStyle = "rgba(0,255,0,1)";
-    ctx.arc(160, 100, 100, Math.PI*2, 0, false);
-    ctx.fill();
-    ctx.restore();
-    ctx.beginPath();
-    ctx.fillStyle = "#f00";
-    ctx.fillRect(0,0,30,30)
-    ctx.fill();
+    var ctx = canvas2.getContext("2d");
+    ctx.save();
+    ctx.globalCompositeOperation = "lighter";
+    ctx.beginPath();
+    ctx.fillStyle = "rgba(255,0,0,1)";
+    ctx.arc(100, 200, 100, Math.PI*2, 0, false);
+    ctx.fill()
+    ctx.beginPath();
+    ctx.fillStyle = "rgba(0,0,255,1)";
+    ctx.arc(220, 200, 100, Math.PI*2, 0, false);
+    ctx.fill()
+    ctx.beginPath();
+    ctx.fillStyle = "rgba(0,255,0,1)";
+    ctx.arc(160, 100, 100, Math.PI*2, 0, false);
+    ctx.fill();
+    ctx.restore();
+    ctx.beginPath();
+    ctx.fillStyle = "#f00";
+    ctx.fillRect(0,0,30,30)
+    ctx.fill();
 };
 ```
 
 ```js
 var colorSphere = function(element) {
-    var ctx = canvas1.getContext("2d");
-    var width = 360;
-    var halfWidth = width / 2;
-    var rotate = (1 / 360) * Math.PI * 2; // per degree
-    var offset = 0; // scrollbar offset
-    var oleft = -20;
-    var otop = -20;
-    for (var n = 0; n <= 359; n ++) {
-        var gradient = ctx.createLinearGradient(oleft + halfWidth, otop, oleft + halfWidth, otop + halfWidth);
-        var color = Color.HSV_RGB({ H: (n + 300) % 360, S: 100, V: 100 });
-        gradient.addColorStop(0, "rgba(0,0,0,0)");
-        gradient.addColorStop(0.7, "rgba("+color.R+","+color.G+","+color.B+",1)");
-        gradient.addColorStop(1, "rgba(255,255,255,1)");
-        ctx.beginPath();
-        ctx.moveTo(oleft + halfWidth, otop);
-        ctx.lineTo(oleft + halfWidth, otop + halfWidth);
-        ctx.lineTo(oleft + halfWidth + 6, otop);
-        ctx.fillStyle = gradient;
-        ctx.fill();
-        ctx.translate(oleft + halfWidth, otop + halfWidth);
-        ctx.rotate(rotate);
-        ctx.translate(-(oleft + halfWidth), -(otop + halfWidth));
-    }
-    ctx.beginPath();
-    ctx.fillStyle = "#00f";
-    ctx.fillRect(15,15,30,30)
-    ctx.fill();
-    return ctx.canvas;
+    var ctx = canvas1.getContext("2d");
+    var width = 360;
+    var halfWidth = width / 2;
+    var rotate = (1 / 360) * Math.PI * 2; // per degree
+    var offset = 0; // scrollbar offset
+    var oleft = -20;
+    var otop = -20;
+    for (var n = 0; n <= 359; n ++) {
+        var gradient = ctx.createLinearGradient(oleft + halfWidth, otop, oleft + halfWidth, otop + halfWidth);
+        var color = Color.HSV_RGB({ H: (n + 300) % 360, S: 100, V: 100 });
+        gradient.addColorStop(0, "rgba(0,0,0,0)");
+        gradient.addColorStop(0.7, "rgba("+color.R+","+color.G+","+color.B+",1)");
+        gradient.addColorStop(1, "rgba(255,255,255,1)");
+        ctx.beginPath();
+        ctx.moveTo(oleft + halfWidth, otop);
+        ctx.lineTo(oleft + halfWidth, otop + halfWidth);
+        ctx.lineTo(oleft + halfWidth + 6, otop);
+        ctx.fillStyle = gradient;
+        ctx.fill();
+        ctx.translate(oleft + halfWidth, otop + halfWidth);
+        ctx.rotate(rotate);
+        ctx.translate(-(oleft + halfWidth), -(otop + halfWidth));
+    }
+    ctx.beginPath();
+    ctx.fillStyle = "#00f";
+    ctx.fillRect(15,15,30,30)
+    ctx.fill();
+    return ctx.canvas;
 };
 ```
 
@@ -227,76 +227,76 @@ var colorSphere = function(element) {
 // HSV (1978) = H: Hue / S: Saturation / V: Value
 Color = {};
 Color.HSV_RGB = function (o) {
-    var H = o.H / 360,
-        S = o.S / 100,
-        V = o.V / 100,
-        R, G, B;
-    var A, B, C, D;
-    if (S == 0) {
-        R = G = B = Math.round(V * 255);
-    } else {
-        if (H >= 1) H = 0;
-        H = 6 * H;
-        D = H - Math.floor(H);
-        A = Math.round(255 * V * (1 - S));
-        B = Math.round(255 * V * (1 - (S * D)));
-        C = Math.round(255 * V * (1 - (S * (1 - D))));
-        V = Math.round(255 * V);
-        switch (Math.floor(H)) {
-            case 0:
-                R = V;
-                G = C;
-                B = A;
-                break;
-            case 1:
-                R = B;
-                G = V;
-                B = A;
-                break;
-            case 2:
-                R = A;
-                G = V;
-                B = C;
-                break;
-            case 3:
-                R = A;
-                G = B;
-                B = V;
-                break;
-            case 4:
-                R = C;
-                G = A;
-                B = V;
-                break;
-            case 5:
-                R = V;
-                G = A;
-                B = B;
-                break;
-        }
-    }
-    return {
-        R: R,
-        G: G,
-        B: B
-    };
+    var H = o.H / 360,
+        S = o.S / 100,
+        V = o.V / 100,
+        R, G, B;
+    var A, B, C, D;
+    if (S == 0) {
+        R = G = B = Math.round(V * 255);
+        se {
+        if (H >= 1
+        H = 6 * H;
+        D = H - Math.floor(H);
+        A = Math.round(255 * V * (1 - S));
+        B = Math.round(255 * V * (1 - (S * D)));
+        C = Math.round(255 * V *
+        V = Math.round(255 * V);
+        switch (Mat
+            case 0:
+                R = V;
+                G = C;
+                B = A;
+                bre
+                 1:
+                R = B;
+                G = V;
+                B = A;
+                bre
+                 2:
+                R = A;
+                G = V;
+                B = C;
+                bre
+                 3:
+                R = A;
+                G = B;
+                B = V;
+                bre
+                 4:
+                R = C;
+                G = A;
+                B = V;
+                bre
+            case 5:
+                R = V;
+                G = A;
+                B = B;
+                break;
+        }
+    }
+    return {
+        R: R,
+        G: G,
+        B: B
+    };
 };
 
 var createInterlace = function (size, color1, color2) {
-    var proto = document.createElement("canvas").getContext("2d");
-    proto.canvas.width = size * 2;
-    proto.canvas.height = size * 2;
-    proto.fillStyle = color1; // top-left
-    proto.fillRect(0, 0, size, size);
-    proto.fillStyle = color2; // top-right
-    proto.fillRect(size, 0, size, size);
-    proto.fillStyle = color2; // bottom-left
-    proto.fillRect(0, size, size, size);
-    proto.fillStyle = color1; // bottom-right
-    proto.fillRect(size, size, size, size);
-    var pattern = proto.createPattern(proto.canvas, "repeat");
-    pattern.data = proto.canvas.toDataURL();
-    return pattern;
+    var proto = document.createElement("canvas").getContext("2d");
+    proto.canvas.width = size * 2;
+    proto.canvas.height = size * 2;
+    proto.fillStyle = color1; // top-left
+    proto.fillRect(0, 0, size, size);
+    proto.fillStyle = color2; // top-right
+    proto.fillRect(size, 0, size, size);
+    proto.fillStyle = color2; // bottom-left
+    proto.fillRect(0, size, size, size);
+    proto.fillStyle = color1; // bottom-right
+    proto.fillRect(size, size, size, size);
+    var pattern = proto.createPattern(proto.canvas, "repeat");
+    pattern.data = proto.canvas.toDataURL();
+    return pattern;
 };
 
 var op_8x8 = createInterlace(8, "#FFF", "#eee");