They identify not yet implemented blocks.
what does a question mark sign mean Answer The answer is in the question, the symbol is called a question mark- the "mark" on the paper or screen which indicates a question.
the question mark?? it means its a question......
Question mark is the pu nctuatio n mark used whe n aski ng questio ns.
"?" This sign is called a "Question-Mark." It tells the reader that it's a question. For example: What's your favorite color?
The upside down question mark is not a punctuation mark used in the English language. Rather, it is used in Spanish in front of a question, with a regular question mark placed at the end.
Did you mean this? ≟
The text in the brackets must be a question.
Erm........do you mean (Five question mark) Glitch Pokemon?
it is like a fill in the blank
Tourist information
It dont really mean anything its just what people do
You've almost answered your own question. It shows that the sentence it ends, is indeed a question.