What is MIME type "text/x-ceylon"?

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

The MIME type text/x-ceylon tells systems that a file is a plain text source code file written in the Ceylon programming language. It is not a standard MIME type; the x- prefix signals that it is experimental or vendor-specific.
It is mostly used by developers who write or share CEYLON code. This allows text editors and IDEs to apply proper syntax highlighting and code formatting. Web servers may also use this type to serve source code in a human-readable format.

Main use: Identifying files that contain Ceylon source code.
Syntax highlighting: Enabling code editors to show proper formatting and color coding.
Content handling: Assisting servers and applications in treating these files as plain text.

For more details on MIME types and file-handling, visit IANA Media Types.

Associated file extensions

.ceylon

Usage Examples

HTTP Header

When serving content with this MIME type, set the Content-Type header:


    Content-Type: text/x-ceylon

HTML

In HTML, you can specify the MIME type in various elements:


    <a href="file.dat" type="text/x-ceylon">Download file</a>

Server-side (Node.js)

Setting the Content-Type header in Node.js:


    const http = require('http');    
    
    http.createServer((req, res) => {    
      res.setHeader('Content-Type', 'text/x-ceylon');    
      res.end('Content here');    
    }).listen(3000);

Associated file extensions

.ceylon

FAQs

What file extension is associated with text/x-ceylon?

The specific file extension for this MIME type is .ceylon. These files contain source code written in the Ceylon programming language, which runs on the Java Virtual Machine (JVM) and JavaScript engines.

Is text/x-ceylon a standard IANA MIME type?

No, the x- prefix indicates that it is a non-standard or experimental type. While not officially registered with IANA, it is the convention used by web servers and IDEs to distinguish Ceylon code from generic text.

How do I configure Apache to serve .ceylon files correctly?

To ensure Apache identifies these files correctly, add the following line to your .htaccess file or main configuration: AddType text/x-ceylon .ceylon. This prevents the server from forcing a file download.

How do I add text/x-ceylon support to Nginx?

You can add the type definition to your nginx.conf or mime.types file. Inside the types block, add: text/x-ceylon ceylon;. reload Nginx to apply the changes.

Will a web browser execute the code in a text/x-ceylon file?

No, browsers treat types starting with text/ as readable content. The browser will display the raw source code rather than executing it, as Ceylon requires compilation or a specific runtime environment.

Why is my editor not highlighting Ceylon syntax?

If your editor doesn't recognize the text/x-ceylon type or the .ceylon extension, you may need to install a specific plugin (like the Ceylon IDE for Eclipse or IntelliJ). Without this, the editor defaults to standard text/plain rendering.

Can I use text/plain instead of text/x-ceylon?

Yes, using text/plain is a safe fallback that ensures the file is readable in all environments. However, using the specific text/x-ceylon type helps specialized tools and browser extensions automatically apply syntax highlighting.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why are multiple MIME types listed for one extension?

Different applications and historical conventions may use alternative MIME identifiers for the same kind of file. Showing them all helps ensure compatibility across systems.