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In formal language theory, the left corner of a production rule in a context-free grammar is the left-most symbol on the right side of the rule. [1] For example, in the rule A→Xα, X is the left corner. The left corner table associates to a symbol all possible left corners for that symbol, and the left corners of those symbols, etc. Given the ...
Today, the left-to-right direction is dominant in all three languages for horizontal writing: this is due partly to the influence of English and other Western languages to make it easier to read when the two languages are found together—for example, on airport signs at a train station—and partly to the increased use of computerized ...
A woman writing in Persian in right-to-left direction, with a notebook computer displaying right-to-left text. Right-to-left, top-to-bottom text is supported in common computer software. [1] Often, this support must be explicitly enabled. Right-to-left text can be mixed with left-to-right text in bi-directional text.
In computer science, a left corner parser is a type of chart parser used for parsing context-free grammars.It combines the top-down and bottom-up approaches of parsing. The name derives from the use of the left corner of the grammar's production rules.
LaTeX (/ ˈ l ɑː t ɛ k / ⓘ LAH-tek or / ˈ l eɪ t ɛ k / LAY-tek, [2] [Note 1] often stylized as L a T e X) is a software system for typesetting documents. [3] LaTeX markup describes the content and layout of the document, as opposed to the formatted text found in WYSIWYG word processors like Google Docs, LibreOffice Writer, and Microsoft Word.
In other languages that read text right-to-left, such as Persian, Arabic and Hebrew, text is commonly aligned "flush right". Additionally, flush-right alignment is used to set off special text in English, such as attributions to authors of quotes printed in books and magazines, or text associated with an image to its right.
Bidirectional script support is the capability of a computer system to correctly display bidirectional text. The term is often shortened to "BiDi" or "bidi".Early computer installations were designed only to support a single writing system, typically for left-to-right scripts based on the Latin alphabet only.
The following table lists many common symbols, together with their name, how they should be read out loud, and the related field of mathematics. Additionally, the subsequent columns contains an informal explanation, a short example, the Unicode location, the name for use in HTML documents, [1] and the LaTeX symbol.