;;; bibliography-settings.el --- bibliography settings  -*- lexical-binding: t -*-

;;; Commentary:
;; settings in org-settings: org-latex-pdf-process
 
;; Requirements:
;; for 'biber' install linux package 'biber', for HTML export features
;; install linux package 'bibtex2html'
;; org-ref https://melpa.org/#/org-ref
;;   pdf-tools
;;   parsebib
;;   htmlize (helm and hel-bibtex -> ivy)
;;   ivy
;;   ivy-bibtex (bibtex-completion (because of org-ref-ivy-cite))
;;   biblio biblio-core https://melpa.org/#/biblio

;;; Code:
(use-package pdf-tools
  :defer t)  ;; used by org-ref

(use-package biblio
  :defer t)  ;; used by org-ref

(use-package citeproc
  :defer t)  ;; used by org-ref

;; !in a org document run org-ref to test the installation
(use-package org-ref  ;; used with some preamble defs and \printbibliography (biblatex/biber, no html export), see also ox-bibtex
  :defer t
  :init
  ;; specify completion backends
  (defvar org-ref-completion-library 'org-ref-ivy-cite) ;; requires ivy-bibtex, must be set before requiring org-ref otherwise helm will be loaded
  :config
  ;; TODO: version 3 not working (with article-latex), the tex file still has the from cite:&... -> \cite{&...}
  ;; (setq org-ref-cite-insert-version 2)  ;; org-ref-citation-links.el
  (setq bibtex-dialect 'biblatex)  ;; biblatex also for biber
  (setq org-latex-prefer-user-labels t))  ;; reference to headings ref:section-name

(use-package org-ref-ivy
  :after (org-ref))

(use-package ox-bibtex  ;; used with #+BIBLIOGRAPHY: ... (bibtex, with html export), see also org-ref
  :after (org)
  :defer 1)

(provide 'bibliography-settings)
;;; bibliography-settings.el ends here