RFR: 8303480: Miscellaneous fixes to mostly invisible doc comments

[Pavel Rappo]

On Fri, 3 Mar 2023 08:15:49 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> Please review this superficial documentation cleanup that was triggered by unrelated analysis of doc comments in JDK API.
>> 
>> The only effect that this multi-area PR has on the JDK API Documentation (i.e. the observable effect on the generated HTML pages) can be summarized as follows:
>> 
>> 
>>     diff -ur build/macosx-aarch64/images/docs-before/api/serialized-form.html build/macosx-aarch64/images/docs-after/api/serialized-form.html
>>     --- build/macosx-aarch64/images/docs-before/api/serialized-form.html	2023-03-02 11:47:44
>>     +++ build/macosx-aarch64/images/docs-after/api/serialized-form.html	2023-03-02 11:48:45
>>     @@ -17084,7 +17084,7 @@
>>                       throws <span class="exceptions"><a href="java.base/java/io/IOException.html" title="class in java.io">IOException</a>,
>>      <a href="java.base/java/lang/ClassNotFoundException.html" title="class in java.lang">ClassNotFoundException</a></span></div>
>>      <div class="block"><code>readObject</code> is called to restore the state of the
>>     - (@code BasicPermission} from a stream.</div>
>>     + <code>BasicPermission</code> from a stream.</div>
>>      <dl class="notes">
>>      <dt>Parameters:</dt>
>>      <dd><code>s</code> - the <code>ObjectInputStream</code> from which data is read</dd>
>> 
>> Notes
>> -----
>> 
>> * I'm not an expert in any of the affected areas, except for jdk.javadoc, and I was merely after misused tags. Because of that, I would appreciate reviews from experts in other areas.
>> * I discovered many more issues than I included in this PR. The excluded issues seem to occur in infrequently updated third-party code (e.g. javax.xml), which I assume we shouldn't touch unless necessary.
>> * I will update copyright years after (and if) the fix had been approved, as required.
>
> src/jdk.compiler/share/classes/com/sun/tools/javac/code/Types.java line 2866:
> 
>> 2864:      * Merge multiple abstract methods. The preferred method is a method that is a subsignature
>> 2865:      * of all the other signatures and whose return type is more specific {@link MostSpecificReturnCheck}.
>> 2866:      * The resulting preferred method has a thrown clause that is the intersection of the merged
> 
> Is it “…has a {@code throws} clause…”?

Thanks! I'll add this to a separate PR.

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PR: https://git.openjdk.org/jdk/pull/12826