YAML supports three styles of escape notation:
Entity Escapes
a. space: " "
b. colon: ":"
c. ampersand: "&"
Unicode Escapes
a. space: "\u0020"
b. single quote: "\u0027"
c. double quote: "\u0022"
Quoted Escapes
a. double quote in single quote: 'Is "I always lie" a true statement?'
b. nested double quote: " She said, "I quit" "
c. nested single quote: ' He was speechless: '' '