mod_cgid: Handle environment variables containing newlines.
Communication between handler and daemon used newlines to delimit
environment variables, which threw everything off when an environment
variable contained a newline.
Communication between handler and daemon was extensively reworked.
Environment variables were handled as in the patch submitted by
Piotr Czejkowski.
PR: 14550
Submitted by: Piotr Czejkowski <apache@czarny.eu.org>, Jeff Trawick
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97530
13f79535-47bb-0310-9956-
ffa450edef68