Skip to main content
ubuntuask.com

Back to all posts

How to Add Comments In an XML Document?

Published on
4 min read
How to Add Comments In an XML Document? image

Best XML Commenting Tools to Buy in October 2025

1 Beginning XML

Beginning XML

  • QUALITY ASSURANCE: THOROUGHLY INSPECTED FOR GOOD CONDITION & VALUE.
  • ECO-FRIENDLY CHOICE: REDUCE WASTE BY CHOOSING PRE-LOVED BOOKS.
  • BUDGET-FRIENDLY: ENJOY SIGNIFICANT SAVINGS ON QUALITY READS TODAY!
BUY & SAVE
$27.55 $39.99
Save 31%
Beginning XML
2 Funny Editor Definition Film Editor In Chief Video Editing T-Shirt

Funny Editor Definition Film Editor In Chief Video Editing T-Shirt

  • LIGHTWEIGHT DESIGN FOR ALL-DAY COMFORT DURING EDITING SESSIONS.
  • CLASSIC FIT ENSURES A STYLISH LOOK WHILE WORKING CREATIVELY.
  • DURABLE DOUBLE-NEEDLE STITCHING FOR LASTING QUALITY AND APPEAL.
BUY & SAVE
$16.99 $19.99
Save 15%
Funny Editor Definition Film Editor In Chief Video Editing T-Shirt
3 Editor Never Wrong - Editors Review Editing Writing Gift T-Shirt

Editor Never Wrong - Editors Review Editing Writing Gift T-Shirt

  • UNIQUE EDITOR GIFT: SHOW OFF YOUR FUN SIDE WITH THIS WITTY SHIRT!
  • PERFECT FOR ANY EDITOR: LIGHTWEIGHT COMFORT MEETS QUIRKY STYLE!
  • IDEAL FOR EDITOR-IN-CHIEF: A STANDOUT GIFT FOR LITERARY LEADERS!
BUY & SAVE
$19.95
Editor Never Wrong - Editors Review Editing Writing Gift T-Shirt
4 Inkscape Drawing 2023 Guide for Beginners: Mastering the Art of Vector Graphics | A Comprehensive Journey from Basics to Advanced Techniques

Inkscape Drawing 2023 Guide for Beginners: Mastering the Art of Vector Graphics | A Comprehensive Journey from Basics to Advanced Techniques

BUY & SAVE
$13.99
Inkscape Drawing 2023 Guide for Beginners: Mastering the Art of Vector Graphics | A Comprehensive Journey from Basics to Advanced Techniques
5 Instant Editor Coffee & Tea Mug Cup For The Best Video Editor, Film Editor, Audio Editor, Sound Editor, Literary Editor, Writing Editor And Editor In Chief (11oz)

Instant Editor Coffee & Tea Mug Cup For The Best Video Editor, Film Editor, Audio Editor, Sound Editor, Literary Editor, Writing Editor And Editor In Chief (11oz)

  • UNIQUE GIFT FOR ANY OCCASION-PERFECT FOR COFFEE LOVERS!
  • PREMIUM QUALITY, VIBRANT PRINT ON BOTH SIDES-MADE IN THE USA.
  • MICROWAVE AND DISHWASHER SAFE; IDEAL FOR EVERYDAY USE!
BUY & SAVE
$19.99
Instant Editor Coffee & Tea Mug Cup For The Best Video Editor, Film Editor, Audio Editor, Sound Editor, Literary Editor, Writing Editor And Editor In Chief (11oz)
6 Dear Editor

Dear Editor

BUY & SAVE
$3.99
Dear Editor
7 Fundamentos da SVG: Gráficos vetoriais escaláveis (Portuguese Edition)

Fundamentos da SVG: Gráficos vetoriais escaláveis (Portuguese Edition)

BUY & SAVE
$9.99
Fundamentos da SVG: Gráficos vetoriais escaláveis (Portuguese Edition)
8 Desenvolvimento de API REST (Série Universitária) (Portuguese Edition)

Desenvolvimento de API REST (Série Universitária) (Portuguese Edition)

BUY & SAVE
$6.99
Desenvolvimento de API REST (Série Universitária) (Portuguese Edition)
9 Modding Mac OS X

Modding Mac OS X

  • AFFORDABLE PRICES COMPARED TO NEW BOOKS ATTRACT BUDGET-CONSCIOUS BUYERS.
  • ECO-FRIENDLY CHOICE SUPPORTS SUSTAINABLE READING AND REDUCES WASTE.
  • QUALITY ASSURANCE: GOOD CONDITION MEANS RELIABLE READING EXPERIENCE.
BUY & SAVE
$20.33 $24.95
Save 19%
Modding Mac OS X
+
ONE MORE?

To add comments in an XML document, you can use the XML syntax for creating comments. XML comments are inserted between <!-- and --> delimiters. Here is an example:

You can place comments in any part of the XML document where you want to add additional information or explanations. For instance, comments can be utilized to describe the purpose of certain elements, provide instructions, or make notes for future references.

It's important to note that comments in XML are purely for human consumption, primarily utilized during development or maintenance. XML parsers generally ignore comments, so they don't affect the processing or interpretation of the XML data by applications.

To summarize, adding comments in XML involves using the <!-- and --> delimiters to enclose the comment text within the XML document.

How to write a comment in XML?

To write a comment in XML, you can follow these steps:

  1. Open the XML file you want to add the comment to using a text editor or an XML editor.
  2. Locate the position in the file where you want to insert the comment.
  3. XML comments start with "". Place your comment between these tags. Example:
  4. Save the XML file.

Please note that XML comments are meant for human readers and are usually ignored by XML parsers and applications processing the XML files.

How to add comments in an XML document?

In XML, comments can be added using the following syntax:

To add comments in an XML document, you need to follow these steps:

  1. Open the XML document in a text editor.
  2. Locate the section of the document where you want to add the comment.
  3. Type "
  4. Write your comment between the "" markers.
  5. Close the comment by typing "-->".

Here is an example of an XML document with comments:

In the example above, the comments "This is a comment" and "Another comment" are added above the two XML elements.

How to add comments in XML configuration files?

To add comments in XML configuration files, use the <!-- --> syntax. Here's an example:

<!-- Another configuration settings -->
<property name="key2" value="value2" />

In this example, the lines surrounded by <!-- and --> are comments. They are not parsed by the XML parser and do not affect the configuration.

What characters are allowed in XML comments?

In XML comments, almost all characters are allowed, including letters, numbers, special characters, and even control characters. However, certain characters need to be escaped using their character reference form to avoid conflicts with the XML syntax. The characters that must be escaped in XML comments are:

  • Less-than sign (<): It should be replaced with "<".
  • Greater-than sign (>): It should be replaced with ">".
  • Ampersand (&): It should be replaced with "&".
  • Quotation mark ("): It should be replaced with """.
  • Apostrophe ('): It should be replaced with "'".

By using these character references, all characters can be included in XML comments without causing any parsing errors or issues.

What is the role of comments in XML parsing and processing?

The role of comments in XML parsing and processing is to provide annotations or explanatory notes about specific elements, attributes, or sections within an XML document. Comments are not considered as data or markup information but are rather meant for human readers or developers to understand the purpose or context of certain parts of an XML document.

While parsing an XML document, comments are typically ignored by XML parsers, and they do not affect the behavior or outcome of XML processing operations. However, they are useful for documentation purposes, allowing developers to explain the reason behind certain decisions or to provide additional information for future reference.

In some cases, XML processors may preserve comments during certain processing tasks to maintain the integrity and visibility of the original document's content. However, this behavior depends on the specific requirements and implementation of the XML processing application or library being used.