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The hhhh for hexadecimal digits may mix uppercase and lowercase letters, though uppercase is the usual style. However the XML and HTML standards restrict the usable code points to a set of valid values, which is a subset of UCS/Unicode code point values, that excludes all code points assigned to non-characters or to surrogates, and most code ...
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All-uppercase letters are a common substitute form of emphasis where the medium lacks support for boldface, such as old typewriters, plain-text email, SMS and other text-messaging systems. Socially, the use of all-caps text in Roman languages has become an indicator of shouting when quoting speech.
Box-drawing characters, also known as line-drawing characters, are a form of semigraphics widely used in text user interfaces to draw various geometric frames and boxes. These characters are characterized by being designed to be connected horizontally and/or vertically with adjacent characters, which requires proper alignment.
In any case where such a link in running text would be proper, it is preferred over a parenthetical, explicit cross-reference. Like hatnotes, these parenthetical cross-references are set off by being italicized in their entirety, as Wikipedia self-references , and not part of the article content proper.
The family name was derived from the original AR-15 by adding "Colt", resulting in the CAR-15, to stand for Colt Automatic Rifle, even though the "AR" in AR-15 stands for Armalite Rifle, the original manufacturer. [3] The CAR-15 weapons system consisted of the AR-15 and five variations, including the Colt Machine Gun and CAR-15 Heavy Assault ...
However, in at least one court case involving patents, the term "block letters" was found to include both upper and lower case. [2] Handwritten block letters generally can be digitalised more accurately by optical character recognition than handwritten cursive scripts. [3] Block letters are naturally used in crossword puzzles.
The extended modifier is in lower case and may contain abbreviations (which are capitalized). The type designation does not use any spaces or hyphens (so "M-16" and "M 16" are incorrect). An example given is "PROJECTILE, 105 MILLIMETER: HE, rocket assisted, M547A3".