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Unnecessary use of HTML character references may significantly reduce HTML readability. If the character encoding for a web page is chosen appropriately, then HTML character references are usually only required for markup delimiting characters as mentioned above, and for a few special characters (or none at all if a native Unicode encoding like ...
In HTML and XML, a numeric character reference refers to a character by its Universal Character Set/Unicode code point, and uses the format: &#xhhhh;. or &#nnnn; where the x must be lowercase in XML documents, hhhh is the code point in hexadecimal form, and nnnn is the code point in decimal form.
A soft line break consists of an = at the end of an encoded line, and does not appear as a line break in the decoded text. These soft line breaks also allow encoding text without line breaks (or containing very long lines) for an environment where line size is limited, such as the 1000 characters per line limit of some SMTP software, as allowed ...
DOUBLE VERTICAL LINE U+2016: Po, other Common ‗ DOUBLE LOW LINE U+2017: Po, other Common † DAGGER U+2020: Po, other Common ‡ DOUBLE DAGGER U+2021: Po, other Common • BULLET U+2022: Po, other Common ‣ TRIANGULAR BULLET U+2023: Po, other Common ․ ONE DOT LEADER U+2024: Po, other Common ‥ TWO DOT LEADER U+2025: Po, other Common ...
Web pages authored using HyperText Markup Language may contain multilingual text represented with the Unicode universal character set.Key to the relationship between Unicode and HTML is the relationship between the "document character set", which defines the set of characters that may be present in an HTML document and assigns numbers to them, and the "external character encoding", or "charset ...
In the TeX typesetting program, left double quotes are produced by typing two back-ticks (``) and right double quotes by typing two apostrophes (''). This is a continuation of a typewriter tradition of using ticks for opening quotation marks; see Quotation mark § Typewriters and early computers.
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Generally, an escape character is not a particular case of (device) control characters, nor vice versa.If we define control characters as non-graphic, or as having a special meaning for an output device (e.g. printer or text terminal) then any escape character for this device is a control one.