8227055: Minor edits to launcher help text
Reviewed-by: mchung
diff --git a/src/java.base/share/classes/sun/launcher/resources/launcher.properties b/src/java.base/share/classes/sun/launcher/resources/launcher.properties
index 4f8a98b..a6c443f 100644
--- a/src/java.base/share/classes/sun/launcher/resources/launcher.properties
+++ b/src/java.base/share/classes/sun/launcher/resources/launcher.properties
@@ -75,7 +75,7 @@
\ -D<name>=<value>\n\
\ set a system property\n\
\ -verbose:[class|module|gc|jni]\n\
-\ enable verbose output\n\
+\ enable verbose output for the given subsystem\n\
\ -version print product version to the error stream and exit\n\
\ --version print product version to the output stream and exit\n\
\ -showversion print product version to the error stream and continue\n\
@@ -129,9 +129,9 @@
\ append to end of bootstrap class path\n\
\ -Xcheck:jni perform additional checks for JNI functions\n\
\ -Xcomp forces compilation of methods on first invocation\n\
-\ -Xdebug provided for backward compatibility\n\
+\ -Xdebug does nothing. Provided for backward compatibility.\n\
\ -Xdiag show additional diagnostic messages\n\
-\ -Xfuture enable strictest checks, anticipating future default\n\
+\ -Xfuture enable strictest checks, anticipating future default.\n\
\ This option is deprecated and may be removed in a\n\
\ future release.\n\
\ -Xint interpreted mode execution only\n\
@@ -141,7 +141,9 @@
\ -Xlog:<opts> Configure or enable logging with the Java Virtual\n\
\ Machine (JVM) unified logging framework. Use -Xlog:help\n\
\ for details.\n\
-\ -Xloggc:<file> log GC status to a file with time stamps\n\
+\ -Xloggc:<file> log GC status to a file with time stamps.\n\
+\ This option is deprecated and may be removed in a\n\
+\ future release. It is replaced by -Xlog:gc:<file>.\n\
\ -Xmixed mixed mode execution (default)\n\
\ -Xmn<size> sets the initial and maximum size (in bytes) of the heap\n\
\ for the young generation (nursery)\n\
@@ -152,6 +154,8 @@
\ -Xshare:auto use shared class data if possible (default)\n\
\ -Xshare:off do not attempt to use shared class data\n\
\ -Xshare:on require using shared class data, otherwise fail.\n\
+\ This is a testing option and may lead to intermittent\n\
+\ failures. It should not be used in production environments.\n\
\ -XshowSettings show all settings and continue\n\
\ -XshowSettings:all\n\
\ show all settings and continue\n\
@@ -191,7 +195,6 @@
\ --patch-module <module>=<file>({0}<file>)*\n\
\ override or augment a module with classes and resources\n\
\ in JAR files or directories.\n\
-\ --disable-@files disable further argument file expansion\n\
\ --source <version>\n\
\ set the version of the source in source-file mode.\n\n\
These extra options are subject to change without notice.\n
@@ -199,7 +202,7 @@
# Translators please note do not translate the options themselves
java.launcher.X.macosx.usage=\
\n\
-The following options are Mac OS X specific:\n\
+The following options are macOS specific:\n\
\ -XstartOnFirstThread\n\
\ run the main() method on the first (AppKit) thread\n\
\ -Xdock:name=<application name>\n\
