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Migrate .NET 3.1/5 WPF guide from dotnet docs (#48)

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* add toc/bread changes

* add xaml-services

* add ported wpf content

* add xaml-services info to docfx

* Fix links 1

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* Fix xaml-services link

* Fix snippets 1

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* adjust breadcrumb and toc

* remove preserve-view from breadcrumbs

* add empty view to toc item xaml

* update include

* remove contextual toc for vs article :(
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Andy De George
2020-09-17 08:41:01 -07:00
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parent 57747b5d52
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dotnet-desktop-guide/xaml-services/xml-space-handling.md
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---
title: "xml:space Handling in XAML"
ms.date: "03/30/2017"
helpviewer_keywords:
- "XAML [XAML Services], xml:space attribute"
- "XAML [XAML Services], white-space processing"
- "xml:space attribute [XAML Services]"
- "white-space processing [XAML Services]"
ms.assetid: 5e1814f0-5b30-43d5-8c88-dede335a89d7
---
# xml:space Handling in XAML
The `xml:space` attribute is an XML-defined attribute that declares the significant white-space processing behavior within an object element. This behavior is relevant for all content (inner text) contained within the element where `xml:space` is declared, and also scopes to child elements.
## XAML Attribute Usage
```xaml
<object xml:space="preserve" />
```
\- or -
```xaml
<object xml:space="default" />
```
## Remarks
The definition for the `xml:space` attribute in XAML including its two possible values is derived from `xml:space` as defined as a "special attribute" by W3C specifications for XML.
The default value of the `xml:space` attribute is the literal value `"default"`. For the value `"default"`, or if `xml:space` is not indicated at all, the behavior of significant white-space parsing is the default handling, as defined in the topic [White-space processing in XAML](white-space-processing.md).
To preserve white space within object element content, specify `xml:space="preserve"` on that object element.
Under most interpretations, the `xml:space` attribute effects and the value of the attribute are scoped to child elements.
For a complete discussion of white-space processing in XAML, see [White-space processing in XAML](white-space-processing.md).
## See also
- [White-space processing in XAML](white-space-processing.md)
- [XAML Overview (WPF)](../net/wpf/fundamentals/xaml.md)