This helpful feature analyses your text in the visible scope and suggests to complete a word with a
keyword, class name, method or variable. So doing, the prototype is highlighted in the source code.
To expand a string at caret to an existing word
Type the initial string.
Press Alt+SlashAlt+Slash. The editor shows the first suggested value.
Press EnterEnter to accept the suggested word, or continue pressing Alt+SlashAlt+Slash
until the desired word is found.
