hg: jdk9/dev/langtools: 8157200: jshell tool: Add /retain command to persist settings; ...

[robert.field at oracle.com]

Changeset: 9291bcd53e07
Author:    rfield
Date:      2016-05-20 11:55 -0700
URL:       http://hg.openjdk.java.net/jdk9/dev/langtools/rev/9291bcd53e07

8157200: jshell tool: Add /retain command to persist settings
8156910: jshell tool: crash when code with syntax error contains format specifier
Reviewed-by: jlahoda

! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/ArgTokenizer.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/Feedback.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/JShellTool.java
! src/jdk.jshell/share/classes/jdk/internal/jshell/tool/resources/l10n.properties
! test/jdk/jshell/CommandCompletionTest.java
! test/jdk/jshell/ToolBasicTest.java
! test/jdk/jshell/ToolFormatTest.java
+ test/jdk/jshell/ToolRetainTest.java
! test/jdk/jshell/ToolSimpleTest.java