8213183: InputMethod cannot be used after its restarting Summary: Retains masks at XSelectInput and deletes all IM data at DestroyXIMCallback Reviewed-by: naoto

8215304: Make target "docs-jdk-index" has unnecessary dependencies Reviewed-by: lancea

8214741: docs/index.html has no title or copyright Reviewed-by: erikj

8214910: If pandoc is present, markdown spec files should be processed Reviewed-by: erikj, lancea

8215239: Make deletes images/jdk/bin/java if something goes wrong Reviewed-by: redestad, dholmes, tbell, ihse

8214750: Unnecessary <p> tags in jfr classes Reviewed-by: mgronlun

8165675: Trace event for thread park has incorrect unit for timeout Reviewed-by: mgronlun

8215206: VtableStubs::find_stub is not appropriately protected by VtableStubs_lock Reviewed-by: thartmann, pliden

8213754: PPC64: Add Intrinsics for isDigit/isLowerCase/isUpperCase/isWhitespace Reviewed-by: kvn, rriggs, mdoerr, gromero

8215159: Improve initial setup of system Properties Reviewed-by: mchung, rriggs, plevart, briangoetz, robilad

8205421: AARCH64: StubCodeMark should be placed after alignment Reviewed-by: aph

8214892: Delayed starting of debugging via jcmd Reviewed-by: cjplummer, clanger Contributed-by: ralf.schmelter@sap.com

8152724: Sum of eden before GC and current survivor capacity may be larger than heap size Summary: Limit the maximum survivor size for a given GC to the remaining number of free regions. Reviewed-by: sjohanss, sangheki

Merge