curl.1: document escape sequences recognized by -E

diff --git a/docs/curl.1 b/docs/curl.1
index c4cce98d681a7e092beb00a49ec3170abddf8030..d64ce0e338d776a4e13609793c868204f6642f73 100644 (file)
--- a/docs/curl.1
+++ b/docs/curl.1
@@ -388,7 +388,10 @@ curl the nickname of the certificate to use within the NSS database defined
 by the environment variable SSL_DIR (or by default /etc/pki/nssdb). If the
 NSS PEM PKCS#11 module (libnsspem.so) is available then PEM files may be
 loaded. If you want to use a file from the current directory, please precede
-it with "./" prefix, in order to avoid confusion with a nickname.
+it with "./" prefix, in order to avoid confusion with a nickname.  If the
+nickname contains ":", it needs to be preceded by "\\" so that it is not
+recognized as password delimiter.  If the nickname contains "\\", it needs to
+be escaped as "\\\\" so that it is not recognized as an escape character.
 
 (iOS and Mac OS X only) If curl is built against Secure Transport, then the certificate string must match the name of a certificate that's in the system or user keychain. The private key corresponding to the certificate, and certificate chain (if any),  must also be present in the keychain.