What is MIME type "text/x-literate-cryptol"?

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

text/x-literate-cryptol is a MIME type for files that mix code and documentation in the style of literate programming. It is used mainly with Cryptol, a language designed for specifying and reasoning about cryptographic algorithms.

Files using this type let you write detailed explanations alongside the actual Cryptol code. This approach makes complex algorithms easier to understand and maintain.

Developers document and verify cryptographic methods.
Researchers create readable proofs and specifications.
Text editors with Cryptol support can offer syntax highlighting and proper rendering.

The primary file for this MIME type uses the extension LCRY.

For more details on Cryptol and literate programming, visit the Cryptol official website.

Associated file extensions

.lcry

Usage Examples

HTTP Header

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


    Content-Type: text/x-literate-cryptol

HTML

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


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

Associated file extensions

.lcry

FAQs

What is the purpose of the text/x-literate-cryptol MIME type?

This MIME type is used for Literate Cryptol source files, typically saving with the .lcry extension. These files follow the literate programming paradigm, allowing developers to write rich documentation (often in Markdown or LaTeX) interspersed with executable Cryptol code blocks.

How do I open and edit .lcry files?

Since these are plain text files, you can edit them with any text editor such as Notepad++, Sublime Text, or VS Code. However, using an editor with a specific Cryptol plugin is recommended to get proper syntax highlighting for the code portions.

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

To ensure Apache serves these files with the correct headers, add the following directive to your .htaccess file or httpd.conf: AddType text/x-literate-cryptol .lcry. This helps browsers identify the content as text rather than a generic binary file.

What is the difference between .cry and .lcry files?

A standard .cry file contains pure source code where comments must be explicitly marked. In contrast, a .lcry file (Literate Cryptol) treats the file primarily as documentation text, and the actual code must be enclosed in specific markers to be recognized by the compiler.

Will web browsers render text/x-literate-cryptol automatically?

Most browsers do not have native support for rendering Cryptol syntax. If the server sends the correct Content-Type, the browser will likely display it as plain text. If the server is misconfigured, the browser might prompt you to download the file instead.

Why does the MIME type start with 'x-'?

The x- prefix indicates that text/x-literate-cryptol is a non-standard or experimental subtype. It is not registered with the IANA standards body but is conventionally used by the Cryptol community to identify literate programming files.

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.