RFR: 8248001: javadoc generates invalid HTML pages whose ftp:// links are broken [v3]

[Masanori Yano]

> Could you please review the 8248001 bug fixes?
> 
> The problem is that javadoc generates invalid HTML pages whose ftp:// links are broken. The fix changes not to use protocol names directly, but to use regular expression.

Masanori Yano has updated the pull request incrementally with two additional commits since the last revision:

 - 8248001: javadoc generates invalid HTML pages whose ftp:// links are broken
 - 8248001: javadoc generates invalid HTML pages whose ftp:// links are broken

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/5198/files
  - new: https://git.openjdk.java.net/jdk/pull/5198/files/7639e7df..f336b867

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=5198&range=02
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=5198&range=01-02

  Stats: 386 lines in 6 files changed: 75 ins; 310 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/5198.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5198/head:pull/5198

PR: https://git.openjdk.java.net/jdk/pull/5198