Underline

An underline, also called an underscore, is a line immediately below a portion of text.

Syntax

Authoring format Syntax and example
XDITA

<u>

<p>Installation of your <u>Remote Lighting Network</u> kit includes installing the light bulbs into light fixtures, preparing the remote control, and programming lighting groups.</p>
HDITA

<u>

<p>Installation of your <u>Remote Lighting Network</u> kit includes installing the light bulbs into light fixtures, preparing the remote control, and programming lighting groups.</p>
MDITA (core and extended profiles)

There is no specific support in the MDITA core profile. If needed, use an HDITA snippet.

Rendering expectations

The underline component is typically underlined.

Attributes

The available attributes vary based on the authoring format:

XDITA and HDITA
The following attributes are available on this element: localization attributes, universal attributes, and @keyref.
MDITA
For the MDITA core profile, the equivalent of the XDITA @keyref attribute is supported. For the MDITA extended profile, attributes can be specified by using the HDITA representation.

Examples

This section is non-normative.

Example 1. XDITA example

The following example demonstrates the use of underlined text in an XDITA topic.

 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE topic PUBLIC "-//OASIS//DTD LIGHTWEIGHT DITA Topic//EN" "lw-topic.dtd">
 <topic id="install-and-setup">
   <title>Installing and Setting up Remote Lighting</title>
   <shortdesc>Installation of your <u>Remote Lighting Network</u> kit includes installing the light bulbs into
   light fixtures, preparing the remote control, and programming lighting groups.
   </shortdesc>
  </topic>
Example 2. HDITA example

The following example demonstrates the use of underlined text in an HDITA topic.

  <!DOCTYPE html>
  <html>
  <head>
  <title>Installing and Setting up Remote Lighting</title>
  </head>
  <body>
   <article id="install-and-setup">
    <h1>Installing and Setting up Remote Lighting</h1>
    <p>Installation of your <u>Remote Lighting Network</u> kit includes installing the light bulbs into light fixtures, preparing the remote control, and programming lighting groups.</p>
  </article>
  </body>
  </html>
Example 3. MDITA example

The following example demonstrates the use of underlined text in an MDITA topic.

# Installing and Setting up Remote Lighting

Installation of your <u>Remote Lighting Network</u> kit includes installing the light bulbs into light fixtures, preparing the remote control, and programming lighting groups.