Improve check for netrc tokens

* doc/misc/auth.texi (Help for users): Mention also "#" inside tokens.

* lisp/auth-source.el (auth-source-netrc-create): Better check for
token format.

* test/lisp/auth-source-tests.el (auth-source-backend-parse-json):
New test.
(auth-source-test-netrc-create-secret): Extend test.

1 files changed, 2 insertions, 2 deletions

diff --git a/doc/misc/auth.texi b/doc/misc/auth.texi
index cc6fc0c3396..1fd232a697e 100644
--- a/doc/misc/auth.texi
+++ b/doc/misc/auth.texi
@@ -132,8 +132,8 @@ use them automatically, either pass @code{:client-certificate t} to
 @code{open-network-stream}, or customize
 @code{network-stream-use-client-certificates} to @code{t}.
 
-You can use spaces inside a password or other token by surrounding the
-token with either single or double quotes.
+You can use spaces or number signs (@t{"#"}) inside a password or other
+token by surrounding the token with either single or double quotes.
 
 You can use apostrophes inside a password or other token by
 surrounding it with double quotes, e.g., @t{"he'llo"}.  Similarly you