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Framework and Author Mode Customization
Tutorials and details about customizing frameworks and the visual Author editing mode
CSS Support in Author Mode
CSS Extensions
Custom CSS Functions
Concatenation: oxy_concat() Function
This function concatenates the received string arguments.

Introduction
Welcome to the User Manual of Oxygen XML Editor 27.1
Getting Started
Information and resources to help you get started using Oxygen XML Editor as quickly as possible
Installation
The requirements and installation instructions for each platform
Configuration
Description of all of the options that allow you to configure Oxygen XML Editor
Perspectives
The Editor, XSLT Debugger, XQuery Debugger, and Database perspectives
Editing Modes
The Text, Grid, Author, and Schema Design editing modes
Working With Documents
General information about features available when working with documents
Editing Supported Document Types
Details about the various types of supported documents and their unique editing features
Built-in Frameworks (Document Types)
The editing frameworks that are supported in Oxygen XML Editor
Additional XML Editing Frameworks (Document Types)
The custom frameworks that are supported in Oxygen XML Editor
Publishing
Details about transformation scenarios and customizing various types of output
Working with XPath Expressions
Information about using XPath Expressions in Oxygen XML Editor
Working with Archives
Describes how to use the Archive Browser to work with various type of archives
Databases and SharePoint
Connecting to supported databases and integrating Oxygen XML Editor with SharePoint
Importing Data
Information about how to import data from external sources into XML documents
XSLT/XQuery Debugging
The debugging interface that detects problems with XSLT and XQuery transformations
Framework and Author Mode Customization
Tutorials and details about customizing frameworks and the visual Author editing mode
- Creating and Configuring Custom Frameworks
- Basic Framework Customization Tutorial
- CSS Support in Author Mode
  - Associating a CSS with an XML Document
  - Handling CSS Imports
  - Displaying Processing Instructions from Other XML Editors
  - Specifying Media Types in the CSS
  - CSS At-Rules
  - Standard W3C CSS Supported Features
  - CSS Extensions
    - Built-in CSS Selectors
    - Additional CSS Selectors
    - Additional CSS Properties
    - Custom CSS Functions
      - Arithmetic Functions
        Arithmetic Functions that are supported.
      - Actions: oxy_action() Function
        This function allows you to define actions directly in the CSS, rather than referencing them from the associated framework.
      - Action Lists: oxy_action_list() Function
        This function allows you to define a sequential list of actions directly in the CSS, rather than referencing them from the associated framework.
      - Attributes Concatenation: oxy_attributes() Function
        This function concatenates the attributes for an element and returns the serialization.
      - Base URL: oxy_base-uri() Function
        This function evaluates the base URL in the context of the current node.
      - Capitalization: oxy_capitalize() Function
        This function capitalizes the first letter of the text received as argument.
      - Compound Actions: oxy_compound_action() Function
        This function allows you to define multiple actions that will be executed sequentially.
      - Concatenation: oxy_concat() Function
        This function concatenates the received string arguments.
      - Get Text: oxy_getSomeText(text, length) Function
        This function allows you to truncate a long string and to set a maximum number of displayed characters.
      - Indexing: oxy_indexof() Function
        This function is used to define searches.
      - Label: oxy_label() Function
        This function can be used in conjunction with the CSS content property to change the style of generated text.
      - Last Occurrence: oxy_lastindexof() Function
        This function is used to define last occurrence searches.
      - Link Text: oxy_link-text() Function
        You can use this function on the CSS content property to obtain a text description from the source of a reference.
      - Local Name: oxy_local-name() Function
        This function evaluates the local name of the current node.
      - Lowercase: oxy_lowercase() Function
        This function transforms the text received as argument to lower case.
      - Name: oxy_name() Function
        This function evaluates the qualified name of the current node.
      - Parent URL: oxy_parent-url() Function
        This function evaluates the parent URL of a URL received as string.
      - Replace: oxy_replace() Function
        This function is used to replace a string of text.
      - Substring of Text: oxy_substring() Function
        This function is used to return a string of text.
      - Unescape URL Value: oxy_unescapeURLValue(string) Function
        This function returns the unescaped value of a URL-like string given as a parameter.
      - Unparsed Entity URI: oxy_unparsed-entity-uri() Function
        This function returns the URI value of an unparsed entity name.
      - Uppercase: oxy_uppercase() Function
        This function transforms the text received as argument to upper case.
      - URL: oxy_url() Function
        This function extends the standard CSS url() function by allowing you to specify additional relative path components (parameters loc_1 to loc_n).
      - XPath: oxy_xpath() Function
        This function is used to evaluate XPath expressions.
    - Form Controls
    - Custom CSS Pseudo-classes
    - Using the :before(n) and :after(n) CSS Pseudo-Elements
  - Debugging CSS Stylesheets
Extending Oxygen With the SDK
Information about extending Oxygen XML Editor using the SDK
Add-ons
Information about extending Oxygen XML Editor with add-ons
Tools
Specifics about the various tools that are included in Oxygen XML Editor
Troubleshooting
A compilation of common problems and their solutions
DITA Authoring
A guide to help content authors who create and publish DITA content
Scripting Oxygen
Details about the scripting possibilities that are available with Oxygen XML Editor
Glossary
Copyright
Legal information

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Concatenation: oxy_concat() Function

This function concatenates the received string arguments.

Syntax:

oxy_concat ( str_1 , str_2 )

str_1 … str_n: The string arguments to be concatenated.

Example: oxy_concat Function

If an XML element has a @padding-left attribute:

 <p padding-left="20">...

and you want to add a padding before it with that specific amount specified in the attribute value:

*[padding-left]{
 padding-left:oxy_concat(attr(padding-left), "px");
}