The support for "argument files" on the command lines for javac, javadoc, and javah, has been updated to better align with the support for argument files on the launcher command line. This includes the following two new features:

   1. Quotes may be used within a word as well as surrounding a word, to enclose special characters like white space and escape sequences
   2. Long lines may be split across lines by using the escape sequence "\\" "newline" "whitespace"

Some obscure, undocumented escape sequences are no longer supported.
The files are still read using the default platform file encoding, whereas argument files on the launcher command line should use ASCII or an ASCII-compatible encoding, such as UTF-8.