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Tidy may refer to:

HTML Tidy is a console application for correcting invalid hypertext markup language (HTML), detecting potential web accessibility errors, and for improving the layout and indent style of the resulting markup. It is also a cross-platform library for computer applications that provides HTML Tidy's features.

Perl interpreted programming language

Perl is a family of two high-level, general-purpose, interpreted, dynamic programming languages, Perl 5 and Perl 6.

Tidy is an album by Kinnie Starr, released in 1996 on Violet Inch Records.

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"Hello, World!" program Traditional beginners computer program

A "Hello, World!" program generally is a computer program that outputs or displays the message "Hello, World!". Because it is very simple in most programming languages, it is often used to illustrate the basic syntax of a programming language and is often the first program that those learning to code write.

Larry Wall American computer programmer and author, creator of Perl

Larry Wall is an American computer programmer and author. He created the Perl programming language.

Regular expression Sequence of characters that forms a search pattern

A regular expression, regex or regexp is a sequence of characters that define a search pattern. Usually this pattern is used by string searching algorithms for "find" or "find and replace" operations on strings, or for input validation. It is a technique that developed in theoretical computer science and formal language theory.

Website set of related web pages served from a single web domain

A website or Web site is a collection of related network web resources, such as web pages, multimedia content, which are typically identified with a common domain name, and published on at least one web server. Notable examples are wikipedia.org, google.com, and amazon.com.

The ampersand is the logogram &, representing the conjunction "and". It originated as a ligature of the letters et—Latin for "and".

Bluefish (software) text editor

Bluefish is a free software advanced text editor with a variety of tools for programming in general and the development of dynamic websites. Bluefish supports development in HTML, XHTML, CSS, XML, PHP, C, C++, JavaScript, Java, Google Go, Vala, Ada, D, SQL, Perl, ColdFusion, JSP, Python, Ruby and shell. Bluefish is available for many platforms, including Linux, Solaris, macOS, and Windows. Bluefish can be used via integration with GNOME or run as a standalone application. Bluefish fills the niche market between the plain text editors and the full IDE: Bluefish is relatively lightweight and easy to learn, while still providing many features of an integrated development environment to support both programming and the development of websites. Bluefish has been translated into 17 languages.

HTML-Kit is a proprietary HTML editor for Microsoft Windows made by chami.com. The application is a full-featured HTML editor designed to edit, format, validate, preview and publish web pages in HTML, XHTML and XML -languages.

Syntax highlighting

Syntax highlighting is a feature of text editors that are used for programming, scripting, or markup languages, such as HTML. The feature displays text, especially source code, in different colors and fonts according to the category of terms. This feature facilitates writing in a structured language such as a programming language or a markup language as both structures and syntax errors are visually distinct. Highlighting does not affect the meaning of the text itself; it is intended only for human readers.

Delimiter sequence of one or more characters used to specify the boundary between separate, independent regions in plain text or other data streams; one of various means to specify boundaries in a data stream

A delimiter is a sequence of one or more characters used to specify the boundary between separate, independent regions in plain text or other data streams. An example of a delimiter is the comma character, which acts as a field delimiter in a sequence of comma-separated values. Another example of a delimiter is the time gap used to separate letters and words in the transmission of Morse code.

In the written form of many languages, an indentation or indent is an empty space at the beginning of a line to signal the start of a new paragraph. Many computer languages have adopted this technique to designate "paragraphs" or other logical blocks in the program.


BBEdit is a proprietary text editor made by Bare Bones Software, originally developed for Macintosh System Software 6, and currently supporting macOS.

The following tables compare general and technical information for a number of HTML editors.

A webform, web form or HTML form on a web page allows a user to enter data that is sent to a server for processing. Forms can resemble paper or database forms because web users fill out the forms using checkboxes, radio buttons, or text fields. For example, forms can be used to enter shipping or credit card data to order a product, or can be used to retrieve search results from a search engine.

In computer programming, boilerplate code or just boilerplate refers to sections of code that have to be included in many places with little or no alteration. It is often used when referring to languages that are considered verbose, i.e. the programmer must write a lot of code to do minimal jobs.

Sean Michael Burke is a Perl programmer, author, and linguist. He was a columnist for The Perl Journal from 1998 and has written several dozen Perl modules for CPAN, as well as books for O'Reilly Media.

NoteTab is a freeware/commercial, multi-file, full-screen text editor for MS Windows. It was developed by Eric Fookes of Fookes Software, Switzerland. The program's name refers to the fact that it was one of the earliest text-editors to use a Tabbed Document Interface. The first version, known as Mini NoteTab, was released in 1995; version 5 was released in 2006, version 5.7 in 2008, version 6 on 4 May 2009, ver 7.0 in March 2012, 7.1 in October 2012. Before version 5, the latest version of NoteTab Light was 4.95.

PerlTidy is a tool written in the Perl programming language to do static code analysis against code written in that same language. It uses either command-line switches or configuration files to reformat Perl scripts so they comply with specified coding rules. The default configuration is an approximation of the Perl Style Guide.

The following outline is provided as an overview of and topical guide to the Perl programming language: