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[release-branch.go1.14] doc/go1.14: document the change to json.Number decoding 

It might break a program if it was depending on undocumented behavior.
Give a proper heads up.

Updates #37308.

Change-Id: Id65bc70def1138d5506b694329c52250b417ec6f
Reviewed-on: https://go-review.googlesource.com/c/go/+/220418
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/220367
Run-TryBot: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Daniel Martí 2020-02-20 20:44:18 +00:00 committed by Dmitri Shuralyov
parent f5293d77a9
commit b4dca6416f
1 changed files with 7 additions and 0 deletions
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@ -582,6 +582,13 @@ appropriately.)
was never a documented feature. For proper escaping, see <a
href="/pkg/encoding/json/#HTMLEscape"><code>HTMLEscape</code></a>.
</p>
<p><!-- CL 195045 -->
<a href="/pkg/encoding/json/#Number"><code>Number</code></a> no longer
accepts invalid numbers, to follow the documented behavior more closely.
If a program needs to accept invalid numbers like the empty string,
consider wrapping the type with <a href="/pkg/encoding/json/#Unmarshaler"><code>Unmarshaler</code></a>.
</p>
</dd>
</dl><!-- encoding/json -->