Numbers are always written the same whatever is the locale of the computer running XMLmind XML Editor: 1, 2.3, 314E-2, 0.314e1, 0.314e+1, etc.
String must quoted using double quotes (") or single quotes ('). They cannot contain newline characters.
In a string quoted using double quotes, the double quote character must be escaped by doubling it. In a string quoted using single quotes, the single quote character must be escaped by doubling it.
"It doesn't matter" 'It doesn''t matter' "Did you say ""bizarre""?" 'Did you say "bizarre"?'