User Guide error: conv, dos2unix not in cygutils package

In Chapter 3, "Using Cygwin effectively with Windows", the User Guide states that package cygutils provides tools conv, d2u, dos2unix, u2d, and unix2dos. This is incorrect: conv is provided by cygutils-extra, and the other tools are provided by dos2unix. -- Problem reports: http://cygwin

setup.exe ignores unrecognized command-line arguments silently

Problem: setup.exe ignores unrecognized command-line arguments silently. For example: the command line "setup.exe -P p7zip curl" installs p7zip but not curl. Suggestion: Make it print a warning when it encounters an unrecognized command-line argument. So: "setup.exe -P p7zip curl" should prin