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In Org-mode, when creating internal links, we have to type full name of the section heading to which we want to link.
Is it possible that the heading name gets automatically filled in when we are creating a new internal link? When creating a new link, we type a few characters and headings matching the characters are shown, and then we can choose from the list.
Maybe some way using helm?
The Org mode info manual has a footnote on (org) Internal links web link:
(1) To insert a link targeting a headline, in-buffer completion can be used. Just type a star followed by a few optional letters into the buffer and press `M-<TAB>'. All headlines in the current buffer will be offered as completions.
In case your desktop environment intercepts M-TAB before it reaches Emacs you can instead type <ESC> <TAB>.
M-<TAB> completion only works when I create links by writing literal markup, i.e. [[<link target>]]. If I use C-c C-l to insert a link, then completion for the link target using M-<TAB> does not work. So, I can type [[*M-<TAB> to complete section titles, but C-C C-l *M-<TAB> does not complete section titles.
– ntc2
Oct 10 '17 at 23:00
I do it using counsel-org-goto. Start a link with [[, run Counsel, select the heading, and then hit M-o i to insert the heading's path. Then close the link or add a custom description.
You can instead use helm-imenu, inserting the selected candidate with C-c TAB, but then you get a bit of extra garbage in the buffer, which you have to delete. I'm sure there's a better way to use Helm for this.
In Spacemacs, if you've enabled the ivy layer then counsel-org-goto will be bound to SPC j i, otherwise helm-imenu will be.
