Assertion: document | /r/HasProperty | stream literals
Facets:
value: formally
type: MANNER
Source sentences:
text: This syntax is because here documents are formally stream literals, and the content of the document is redirected to stdin (standard input) of the preceding command; the here document syntax is by analogy with the syntax for input redirection, which is < “take input from the following file”.
text: Narrowly speaking, here documents are file literals or stream literals.