1. In eg_vhost.conf, under "Run server-side XUL and XHTML through xmlent to load the correct XML entities" (around line 257), modify the RewriteRule directives in order to change the default locale from en-US to another installed locale.
2. Reload Apache.
3. Navigate to one of the affected pages listed above and see if you get an internal server error.
To test:
1. In eg_vhost.conf, under "Run server-side XUL and XHTML through xmlent to load the correct XML entities" (around line 257), modify the RewriteRule directives in order to change the default locale from en-US to another installed locale.
2. Reload Apache.
3. Navigate to one of the affected pages listed above and see if you get an internal server error.