doc: readline 'line' event emits final line

Updated docs to reflect current behaviour of readline: final line of input will be emitted via `'line'` event when input stream `'end'` event is emitted even when the input is not newline terminated. Refs: nodejs/node-v0.x-archive#7238 PR-URL: #42214 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: Tobias Nießen <[email protected]> Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: Luigi Pinca <[email protected]>
nodejs · Apr 24, 2022 · 64c19f3 · 64c19f3
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diff --git a/doc/api/readline.md b/doc/api/readline.md
@@ -82,6 +82,9 @@ The `'line'` event is emitted whenever the `input` stream receives an
 end-of-line input (`\n`, `\r`, or `\r\n`). This usually occurs when the user
 presses <kbd>Enter</kbd> or <kbd>Return</kbd>.
 
+The `'line'` event is also emitted if new data has been read from a stream and
+that stream ends without a final end-of-line marker.
+
 The listener function is called with a string containing the single line of
 received input.