On Tue, Nov 8, 2011 at 10:31 AM, Sebastien Vauban < wxhgmqzgw...@spammotel.com> wrote:
> Hi Eric, > > (Due to a high "buzyness" level, I've been a bit out of the discussion for > one > week or so) > > Eric Schulte wrote: > > The attached patch implements this latest "propname+" suggestion. When > > applied it results in the behavior shown below. > > > > I'm inclined to go with this as a solution moving forward. > > > > Thoughts? > > > > #+property: var foo=1 > > #+property: var+ , bar=2 > > #+begin_src emacs-lisp > > (+ foo bar) > > #+end_src > > So, in a way, adding the + after `var' is how you tell Org that this is an > accumulated property? > > Two questions: > > 1. Why not the + after the property keyword (property+)? I guess because > it's > more against other aspects of Org internals? Anyway, putting + after the > var sounds as right to me -- maybe better even if we consider that you > declare var as accumulated, writing so. > > 2. Must there be a first `var' without `+'? Accepted, tolerated or wrong? > I > mean, I'm sure that, due to heavy file editing, we'll sometimes have: > Might be a good idea to tolerate this. > > #+property: var+ foo=1 > #+property: var+ , bar=2 > #+begin_src emacs-lisp > (+ foo bar) > #+end_src > > > #+results: > > : 3 > > > > #+begin_src emacs-lisp > > (org-entry-get (point) "var" t) > > #+end_src > > > > #+results: > > : foo=1, bar=2 > > > > * overwriting a file-wide property > > :PROPERTIES: > > :var: foo=7 > > :END: > > > > #+begin_src emacs-lisp > > foo > > #+end_src > > > > #+results: > > : 7 > > > > #+begin_src emacs-lisp > > (org-entry-get (point) "var" t) > > #+end_src > > > > #+results: > > : foo=7 > > > > * appending to a file-wide property > > :PROPERTIES: > > :var+: , baz=3 > > :END: > > To be honest, the only thing that I dislike is the comma in the above line. > Not intuitive at all. Quite hard to read. > > Can't the comma be implicitly added by the `+' after the property name? > On the one hand, it might have one additional advantage: #+property: var foo="This is a very long text" #+property: var+ "with even more." Would foo be: "This is a very long text with even more" Could one make the "," implicit, if the value follows the x=y style, while otherwise just concatenate the value to the one before? > That would allow one to simply write: > > * appending to a file-wide property > :PROPERTIES: > :var+: baz=3 > :END: > > and have the correct values. > > > #+begin_src emacs-lisp > > (+ foo bar baz) > > #+end_src > > > > #+results: > > : 6 > > > > #+begin_src emacs-lisp > > (org-entry-get (point) "var" t) > > #+end_src > > > > #+results: > > : foo=1, bar=2, baz=3 > > Thanks. > > Best regards, > Seb > > -- > Sebastien Vauban > > > -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology, UCT), Dipl. Phys. (Germany) Centre of Excellence for Invasion Biology Stellenbosch University South Africa Tel : +33 - (0)9 53 10 27 44 Cell: +33 - (0)6 85 62 59 98 Fax (F): +33 - (0)9 58 10 27 44 Fax (D): +49 - (0)3 21 21 25 22 44 email: rai...@krugs.de Skype: RMkrug
