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  2. Help:Cite errors/Cite error ref too many keys - Wikipedia

    en.wikipedia.org/wiki/Help:Cite_errors/Cite...

    But quote-enclosed reference names may not include a less-than sign (<) or a double straight quote symbol ("), which may however be included by escaping as &lt; and &quot; respectively. The quote marks must be the standard, straight, double quotation marks ("); curly or other quotes will be parsed as part of the reference name.

  3. Help:Entering special characters - Wikipedia

    en.wikipedia.org/wiki/Help:Entering_special...

    Some of the images of different characters are very similar in appearance, so it is important to use the correct image. For example, the images for the closing single quotation mark (’) and closing double quotation mark (”) are very similar to the images for the single prime (′) and double prime (″) characters. Figure 1.

  4. Help:Cite errors/Cite error references duplicate key - Wikipedia

    en.wikipedia.org/wiki/Help:Cite_errors/Cite...

    But quote-enclosed reference names may not include a less-than sign (<) or a double straight quote symbol ("), which may however be included by escaping as &lt; and &quot; respectively. The quote marks must be the standard, straight, double quotation marks ("); curly or other quotes will be parsed as part of the reference name.

  5. Apache Avro - Wikipedia

    en.wikipedia.org/wiki/Apache_Avro

    Its primary use is in Apache Hadoop, where it can provide both a serialization format for persistent data, and a wire format for communication between Hadoop nodes, and from client programs to the Hadoop services. Avro uses a schema to structure the data that is being encoded.

  6. String (computer science) - Wikipedia

    en.wikipedia.org/wiki/String_(computer_science)

    Surrounded by quotation marks (ASCII 0x22 double quote "str" or ASCII 0x27 single quote 'str'), used by most programming languages. To be able to include special characters such as the quotation mark itself, newline characters, or non-printable characters, escape sequences are often available, usually prefixed with the backslash character ...

  7. String literal - Wikipedia

    en.wikipedia.org/wiki/String_literal

    A string literal or anonymous string is a literal for a string value in the source code of a computer program. Modern programming languages commonly use a quoted sequence of characters, formally "bracketed delimiters", as in x = "foo", where , "foo" is a string literal with value foo. Methods such as escape sequences can be used to avoid the ...

  8. Help:Displaying a formula - Wikipedia

    en.wikipedia.org/wiki/Help:Displaying_a_formula

    The normal way of entering quotation marks in text mode (two back ticks for the left and two apostrophes for the right), such as \text {a ``quoted'' word} will not work correctly. As a workaround, you can use the Unicode left and right quotation mark characters, which are available from the "Symbols" dropdown panel beneath the editor: \text { a ...

  9. List of Unicode characters - Wikipedia

    en.wikipedia.org/wiki/List_of_Unicode_characters

    HTML and XML provide ways to reference Unicode characters when the characters themselves either cannot or should not be used. A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name.