Question mark

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The question mark [ ?wikipedia
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Semicolon

;؛ Semicolon [;]
It was adopted by Church Slavonic and eventually settled on a form essentially similar to the Latin semicolon.
Although terminal marks (i.e. full stops, exclamation marks, and question marks) mark the end of a sentence, the comma, semicolon and colon are normally sentence-internal, making them secondary boundary marks.

Armenian alphabet

ArmenianArmenian scriptՓ
In Armenian, the question mark takes the form of an open circle and is placed over the last vowel of the question word.
[ ՞ ] The hartsakan nshan is used as a question mark.

Irony punctuation

irony markpercontation pointrhetorical question mark
The percontation point is analogous to the irony mark, but those are even more rarely seen.
Both marks take the form of a reversed question mark, "⸮".

Inverted question and exclamation marks

¡¿inverted exclamation mark
An interrogative sentence, clause, or phrase begins with an inverted question mark and ends with the question mark, as in:
The inverted question mark is a punctuation mark written before the first letter of an interrogative sentence or clause to indicate that a question follows.

Shift key

Shift Shift shift" key
In GNOME applications on GNU Linux operating systems, it can be entered by typing the hexadecimal Unicode character (minus leading zeros) while holding down both Ctrl and Shift, I J mm.e.: Ctrl Shift B F . In recent XFree86 and X.Org incarnations of the X Window System, it can be accessed as a compose sequence of two straight question marks, i.e. pressing Compose ?
On the US layout and similar keyboard layouts, characters that typically require the use of the shift key include the parentheses, the question mark, the exclamation point, and the colon.

International Phonetic Alphabet

IPAPronunciationdiacritic
The question mark is used in ASCII renderings of the International Phonetic Alphabet, such as SAMPA, in place of the glottal stop symbol, (which resembles "?" without the dot), and corresponds to Unicode code point.
Some letters are neither: for example, the letter denoting the glottal stop, has the form of a dotless question mark, and derives originally from an apostrophe.

Question

wh-questionanswerquestions
Lynne Truss attributes an early form of the modern question mark in western language to Alcuin of York.
In languages written in Latin, Cyrillic or certain other scripts, a question mark at the end of a sentence identifies questions in writing.

Chess annotation symbols

?!chess punctuation
In algebraic chess notation, some chess punctuation conventions include: "?" denotes a bad move, "??" a blunder, "?!" a dubious move, and "!?" an interesting move.
Question marks and exclamation points that denote a move as bad or good are ubiquitous in chess literature.

Interrobang

inverted version of the interrobanginterobangpunctuation mark
Interrobang
The interrobang, also known as the interabang (often represented by ?! or !?), is a punctuation mark used in various written languages and intended to combine the functions of the question mark, or interrogative point, and the exclamation mark, or exclamation point, known in the jargon of printers and programmers as a "bang".

Exclamation mark

exclamation point!pling
Exclamation mark
The exclamation mark is sometimes used in conjunction with the question mark.

Alcuin

Alcuin of Yorkpoem on the Saints of YorkAlcuin’s
Lynne Truss attributes an early form of the modern question mark in western language to Alcuin of York.
Alcuin is credited with inventing the first known question mark, though it didn't resemble the modern symbol.

Wildcard character

wildcardwildcardswildcard syntax
The question mark is often utilized as a wildcard character: a symbol that can be used to substitute for any other character or characters in a string.
In Unix-like and DOS operating systems, the question mark matches exactly one character.

Interrogative

interrogative sentenceinterrogative moodQuestions
The question mark [ ? ] (also known as interrogation point, query, or eroteme in journalism) is a punctuation mark that indicates an interrogative clause or phrase in many languages.
In languages written in Latin or Cyrillic, as well as certain other scripts, a question mark at the end of the sentence identifies it as a question.

ASCII

7-bit ASCIIAmerican Standard Code for Information InterchangeUS-ASCII
In computing, the question mark character is represented by ASCII code 63 (0x3F hexadecimal), and is located at Unicode code-point.

Regular expression

regular expressionsregexregexp
In the POSIX syntax for regular expressions, such as that used in Perl and Python, stands for "zero or one instance of the previous subexpression", i.e. an optional element.
A quantifier after a token (such as a character) or group specifies how often that a preceding element is allowed to occur. The most common quantifiers are the question mark, the asterisk (derived from the Kleene star), and the plus sign (Kleene plus).

Terminal punctuation

Terminal punctuation
In languages using the ISO basic Latin alphabet, terminal punctuation marks are defined as the period, the question mark, and the exclamation mark.

Ampersand

&& Ampersand (or "Wait") [&
A query string is usually made up of a number of different field/value pairs, each separated by the ampersand symbol, as seen in this URL:
The generic URL (Uniform Resource Locator) syntax allows for a query string to be appended to a file name in a web address so that additional information can be passed to a script; the question mark, or query mark, ?, is used to indicate the start of a query string.

Georgia State Route 78

SR 78State Route 7878
State Route 78 (SR 78) is a backward question mark-shaped state highway in the southeast part of the U.S. state of Georgia.

Georgia State Route 117

SR 117State Route 117GA 117
State Route 117 (SR 117) is a 89.4 mi state highway that runs southeast-to-northwest in an upside down question mark around McRae.

List of The Magic School Bus characters

Wanda LiMs. Frizzlecharacter in ''The Magic School Bus
She usually winks before the earrings glow (in the original books, her dress on the last page usually hinted at the plot of the next book; the very last book sees it covered with question marks.) She enjoys singing, seems unafraid of danger, and often refers to her relatives or ancestors during trips.

Japanese punctuation

Japaneseideographic commapunctuation
Japanese punctuation includes various written marks (besides characters and numbers), which differ from those found in European languages, as well as some not used in formal Japanese writing but frequently found in more casual writing, such as exclamation and question marks.

Are We There

Tarifa
On the lack of a question mark in the title, Van Etten said: "… open-ended, I ask myself that question all the time, for my work, for my love, even for my friends. It's just really good to check in with yourself and it's a play on words, about touring and about travelling, being in transition."

Fifi hook

The fifi hook is a small question mark shaped piece of equipment used principally in aid climbing to quickly connect a climber to gear to take their weight.

Riddler

The RiddlerEdward NygmaEdward Nygma/The Riddler
A black, green, or purple question mark serves as his visual motif.