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, 4 insertions, 4 deletions

diff --git a/files/fr/web/javascript/reference/global_objects/math/acos/index.md b/files/fr/web/javascript/reference/global_objects/math/acos/index.md
index 2d120f115d..d8e762c169 100644
--- a/files/fr/web/javascript/reference/global_objects/math/acos/index.md
+++ b/files/fr/web/javascript/reference/global_objects/math/acos/index.md
@@ -13,7 +13,7 @@ original_slug: Web/JavaScript/Reference/Objets_globaux/Math/acos
 
 La fonction **`Math.acos()`** renvoie l'arc cosinus d'une valeur exprimée en radians. Cela est défini par :
 
-<math><semantics><mrow><mo>∀</mo><mi>x</mi><mo>∊</mo><mo stretchy="false">[</mo><mrow><mo>-</mo><mn>1</mn></mrow><mo>;</mo><mn>1</mn><mo stretchy="false">]</mo><mo>,</mo><mspace width="thickmathspace"></mspace><mstyle mathvariant="monospace"><mrow><mo lspace="0em" rspace="thinmathspace">Math.acos</mo><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo></mrow></mstyle><mo>=</mo><mo lspace="0em" rspace="0em">arccos</mo><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mtext> le seul  </mtext><mi>y</mi><mo>∊</mo><mo stretchy="false">[</mo><mn>0</mn><mo>;</mo><mi>π</mi><mo stretchy="false">]</mo><mspace width="thinmathspace"></mspace><mtext>tel que</mtext><mspace width="thickmathspace"></mspace><mo lspace="0em" rspace="0em">cos</mo><mo stretchy="false">(</mo><mi>y</mi><mo stretchy="false">)</mo><mo>=</mo><mi>x</mi></mrow><annotation encoding="TeX">\forall x \in [{-1};1],\;\mathtt{\operatorname{Math.acos}(x)} = \arccos(x) = \text{ the unique } \; y \in [0; \pi] \, \text{such that} \; \cos(y) = x</annotation></semantics></math>
+<math><semantics><mrow><mo>∀</mo><mi>x</mi><mo>∊</mo><mo stretchy="false">[</mo><mrow><mo>-</mo><mn>1</mn></mrow><mo>;</mo><mn>1</mn><mo stretchy="false">]</mo><mo>,</mo><mspace width="thickmathspace"></mspace><mstyle mathvariant="monospace"><mrow><mo lspace="0em" rspace="thinmathspace">Math.acos</mo><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo></mrow></mstyle><mo>=</mo><mo lspace="0em" rspace="0em">arccos</mo><mo stretchy="false">(</mo><mi>x</mi><mo stretchy="false">)</mo><mo>=</mo><mtext> le seul  </mtext><mi>y</mi><mo>∊</mo><mo stretchy="false">[</mo><mn>0</mn><mo>;</mo><mi>π</mi><mo stretchy="false">]</mo><mspace width="thinmathspace"></mspace><mtext>tel que</mtext><mspace width="thickmathspace"></mspace><mo lspace="0em" rspace="0em">cos</mo><mo stretchy="false">(</mo><mi>y</mi><mo stretchy="false">)</mo><mo>=</mo><mi>x</mi></mrow><annotation encoding="TeX">\forall x \in [{-1};1],\;\mathtt{\operatorname{Math.acos}(x)} = \arccos(x) = \text{ the unique } \; y \in [0; \pi] \, \text{such that} \; \cos(y) = x</annotation></semantics></math>
 
 {{EmbedInteractiveExample("pages/js/math-acos.html")}}
 
@@ -56,9 +56,9 @@ Pour les valeurs (strictement) inférieures à -1 ou supérieures à 1, `Math.ac
 | Spécification                                                            | Statut                       | Commentaires                                          |
 | ------------------------------------------------------------------------ | ---------------------------- | ----------------------------------------------------- |
 | {{SpecName('ES1')}}                                                 | {{Spec2('ES1')}}         | Définition initiale. Implémentée avec JavaScript 1.0. |
-| {{SpecName('ES5.1', '#sec-15.8.2.2', 'Math.acos')}}     | {{Spec2('ES5.1')}}     |                                                       |
-| {{SpecName('ES6', '#sec-math.acos', 'Math.acos')}}     | {{Spec2('ES6')}}         |                                                       |
-| {{SpecName('ESDraft', '#sec-math.acos', 'Math.acos')}} | {{Spec2('ESDraft')}} |                                                       |
+| {{SpecName('ES5.1', '#sec-15.8.2.2', 'Math.acos')}}     | {{Spec2('ES5.1')}}     |                                                       |
+| {{SpecName('ES6', '#sec-math.acos', 'Math.acos')}}     | {{Spec2('ES6')}}         |                                                       |
+| {{SpecName('ESDraft', '#sec-math.acos', 'Math.acos')}} | {{Spec2('ESDraft')}} |                                                       |
 
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