bug#47888: Email address matching is too restrictive

[Robert Weiner]

Hi Brad:

Thanks for using Hyperbole and reporting this bug in the mail address implicit button.

We have fixed it (numeric addresses now accepted) in the development version in the git repository.  We will close this issue.

You can test it out with this setup:

If you first install the package manager 'straight' (install it as a regular Emacs package together with the 'use-package' package), then you ought to be able to load Hyperbole straight from the development source with:

(use-package hyperbole
   :straight t
   :config
   (hyperbole-mode 1)
   :bind* ("<M-return>" . hkey-either))  ;; Makes Action Key work in Org mode.

-- Bob

------

On Mon, Apr 19, 2021 at 3:34 AM Brad Knotwell via Bug-hyperbole via <bug-hyperbole@gnu.org> wrote:

I use:  Editor:      GNU Emacs 27.2 (build 1, x86_64-apple-darwin17.7.0, Carbon Version 158 AppKit 1561.6)

        Hyperbole:   7.1.3
        Sys Type:    x86_64-apple-darwin17.7.0
        OS Type:     darwin
        Window Sys:  mac
        News Reader: Gnus v5.13

If you want to email to a text message, you'll have an email address
like the following:  4258887777@vtext.com

Hyperbole's implicit buttons won't recognize this as a valid email
address (use case:  looking a contact up in HyRolo and hitting the
Action Key to send them a text;  workaround:  copying the address by
hand and hitting {C-x m}.  I've attached the relevant section from
RFC5322 below:

Section 3.2.3 of email is copied below:
   atext           =   ALPHA / DIGIT /    ; Printable US-ASCII
                       "!" / "#" /        ;  characters not including
                       "$" / "%" /        ;  specials.  Used for atoms.
                       "&" / "'" /
                       "*" / "+" /
                       "-" / "/" /
                       "=" / "?" /
                       "^" / "_" /
                       "`" / "{" /
                       "|" / "}" /
                       "~"

   atom            =   [CFWS] 1*atext [CFWS]

   dot-atom-text   =   1*atext *("." 1*atext)

   dot-atom        =   [CFWS] dot-atom-text [CFWS]

   specials        =   "(" / ")" /        ; Special characters that do
                       "<" / ">" /        ;  not appear in atext
                       "[" / "]" /
                       ":" / ";" /
                       "@" / "\" /
                       "," / "." /
                       DQUOTE

Section 3.4.1
   addr-spec       =   local-part "@" domain

   local-part      =   dot-atom / quoted-string / obs-local-part

   domain          =   dot-atom / domain-literal / obs-domain

   domain-literal  =   [CFWS] "[" *([FWS] dtext) [FWS] "]" [CFWS]

   dtext           =   %d33-90 /          ; Printable US-ASCII
                       %d94-126 /         ;  characters not including
                       obs-dtext          ;  "[", "]", or "\"



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