doc: fix some signatures of .end() methods

In `.end()` methods, an optional `encoding` parameter makes sense only if the `data` (`chunk`) parameter is provided. PR-URL: #29615 Reviewed-By: David Carlier <devnexen@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
nodejs · Sep 22, 2019 · ab9b8e7 · ab9b8e7
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diff --git a/doc/api/http.md b/doc/api/http.md
@@ -1175,7 +1175,7 @@ deprecated: REPLACEME
 
 See [`response.socket`][].
 
-### response.end([data][, encoding][, callback])
+### response.end([data[, encoding]][, callback])
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 added: v0.1.90
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diff --git a/doc/api/http2.md b/doc/api/http2.md
@@ -3006,7 +3006,7 @@ deprecated: REPLACEME
 
 See [`response.socket`][].
 
-#### response.end([data][, encoding][, callback])
+#### response.end([data[, encoding]][, callback])
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 added: v8.4.0
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diff --git a/doc/api/stream.md b/doc/api/stream.md
@@ -394,7 +394,7 @@ added: v8.0.0
 
 Is `true` after [`writable.destroy()`][writable-destroy] has been called.
 
-##### writable.end([chunk][, encoding][, callback])
+##### writable.end([chunk[, encoding]][, callback])
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 added: v0.9.4
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