List all environment variables supported by libfetch, along with a reference

to the fetch(3) man page.

MFC after:	1 week

1 files changed, 19 insertions, 9 deletions

diff --git a/usr.bin/fetch/fetch.1 b/usr.bin/fetch/fetch.1
index 5d87839..3922db5 100644
--- a/usr.bin/fetch/fetch.1
+++ b/usr.bin/fetch/fetch.1
@@ -212,19 +212,29 @@ message.
 .Sh ENVIRONMENT
 .Bl -tag -width HTTP_TIMEOUT
 .It Ev FTP_TIMEOUT
-maximum time, in seconds, to wait before aborting an FTP connection.
+Maximum time, in seconds, to wait before aborting an FTP connection.
 .It Ev HTTP_TIMEOUT
-maximum time, in seconds, to wait before aborting an HTTP connection.
+Maximum time, in seconds, to wait before aborting an HTTP connection.
 .El
 .Pp
-All environment variables mentioned in the documentation for the
-.Xr fetch 3
-library are supported.
-A number of these are quite important to the proper operation of
-.Nm ;
-you are strongly encouraged to read
+See
 .Xr fetch 3
-as well.
+for a description of additional environment variables, including
+.Ev FETCH_BIND_ADDRESS ,
+.Ev FTP_LOGIN ,
+.Ev FTP_PASSIVE_MODE ,
+.Ev FTP_PASSWORD ,
+.Ev FTP_PROXY ,
+.Ev ftp_proxy ,
+.Ev HTTP_AUTH ,
+.Ev HTTP_PROXY ,
+.Ev http_proxy ,
+.Ev HTTP_PROXY_AUTH ,
+.Ev HTTP_REFERER ,
+.Ev HTTP_USER_AGENT ,
+.Ev NETRC ,
+.Ev NO_PROXY and
+.Ev no_proxy .
 .Sh EXIT STATUS
 The
 .Nm