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

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-stsrc labels files that contain source code written in the Smalltalk language. It tells software that the file is plain text, not binary data, so editors and servers can process it properly.

Files such as CS and ST are common examples. They carry Smalltalk code intended for development and review.

Main use case: Enables proper syntax highlighting and formatting in text editors and IDEs.
Practical functionality: Assists servers in serving text correctly and prevents misinterpretation as binary data.
Tool integration: Helps code analysis and debugging tools recognize Smalltalk source files.
Developer benefit: Makes editing and managing Smalltalk projects easier and more precise.

For more details on how MIME types work and why they matter, check out the MDN Web Docs on MIME Types.

Associated file extensions

.cs, .st

Usage Examples

HTTP Header

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


    Content-Type: text/x-stsrc

HTML

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


    <a href="file.dat" type="text/x-stsrc">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-stsrc');
      res.end('Content here');
    }).listen(3000);

Associated file extensions

.cs, .st

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.