RFR: 8371133: Clarify the purpose of "src/jdk.compiler/share/classes/com/sun/tools/javac/resources/ct.properties" [v2]

[Volkan Yazici]

On Tue, 4 Nov 2025 10:18:57 GMT, Jan Lahoda <jlahoda at openjdk.org> wrote:

>> Volkan Yazici has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Apply review feedback
>
> src/jdk.compiler/share/classes/com/sun/tools/javac/resources/ct.properties line 26:
> 
>> 24: #
>> 25: 
>> 26: # This file is used by `com.sun.tools.javac.file.JRTIndex` to generate
> 
> How about phrasing like this (`JRTIndex` uses the data defined here, but does not generate the `.java` file - parts of the build system do):
> 
> # This file was originally used to produce the `proprietary` warning when
> # accessing non-APIs, and to hide some non-APIs in JDK <= 8. This has been
> # superseded by the module system and `--release`. But, when compiling with
> # `--source 8`, it is still used for this purpose by `com.sun.tools.javac.file.JRTIndex`.
> #
> # The build generates `jdk.compiler/com/sun/tools/javac/resources/ct.java` from
> # this file, which is then used at runtime.

Applied in 476a98d3460.

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PR Review Comment: https://git.openjdk.org/jdk/pull/28123#discussion_r2490274420