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Author: sharpchen

…docs/1. Fundamentals/2. Xml namespace.md …cs/1. Fundamentals/2. XAML Essentials.mddocs/document/Avalonia/docs/1. Fundamentals/2. Xml namespace.md renamed to docs/document/Avalonia/docs/1. Fundamentals/2. XAML Essentials.md docs/document/Avalonia/docs/1. Fundamentals/2. Xml namespace.md renamed to docs/document/Avalonia/docs/1. Fundamentals/2. XAML Essentials.md

@@ -1,12 +1,12 @@
-# Xml namespace
+# XAML Essentials
 
 ## Importing a namespace
 
 The semantic of `xmlns:x` basically means importing a namespace as an alias named `x`.
 Then we can use `:` to access the members of the namespace.
 `x:Class` binds the code behind(`.axaml.cs`) the AXAML(not the ViewModel!).
 
-```xml{2,3}
+```xml
 <Application xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="AvaloniaApplication.App"
@@ -16,13 +16,13 @@ Then we can use `:` to access the members of the namespace.
 </Application>
 ```
 
-## Default xml namespace
+## Spreading Namespace
 
-The default namespace is imported without name, which mean its members are imported globally in this AXAML file, we can access them without any prefix.
+The default namespace is imported without name, which mean its members are imported globally in this AXAML file, can be accessed them without any prefix.
 Generally the default is avalonia namespace which contains built-in components like `Button`, `TextBlock`.
 
-```xml{1}
-<Application xmlns="https://github.com/avaloniaui"
+```xml
+<Application xmlns="https://github.com/avaloniaui" <!-- [!code highlight]  -->
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="AvaloniaApplication.App"
              xmlns:local="using:AvaloniaApplication"
@@ -31,20 +31,20 @@ Generally the default is avalonia namespace which contains built-in components l
 </Application>
 ```
 
-## Project namespace
+## Import from Project Namespace
 
-`using:AvaloniaApplication` imports the namespace from **specific project**, so `local:` is available to access the types from the project.
+`using:<namespace>` imports the namespace from **specific project** with the alias name `local`
 
-```xml{4,8-10}
+```xml
 <Application xmlns="https://github.com/avaloniaui"
              xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
              x:Class="AvaloniaApplication.App"
-             xmlns:local="using:AvaloniaApplication"
+             xmlns:local="using:AvaloniaApplication" <!-- [!code highlight]  -->
              RequestedThemeVariant="Default">
              <!-- "Default" ThemeVariant follows system theme variant. "Dark" or "Light" are other available options. -->
 
     <Application.DataTemplates>
-        <local:ViewLocator/>
+        <local:ViewLocator/> <!-- use `local` here to access types from it --> <!-- [!code highlight]  -->
     </Application.DataTemplates>
 </Application>
 ```

docs/document/Avalonia/docs/1. Fundamentals/3. MVVM Essentials.md

@@ -1,4 +1,4 @@
-#
+# MVVM Essentials
 
 ```mermaid
 graph TD;