added lisp function, helm, aspell and org for latex and citations

.emacs

@@ -1,15 +1,27 @@
 ;;; My basic configuration Gerardo Marx 20/May/2021
+;; MacOS version
 ;;--------
 ;; Melpa repository:
 (require 'package)
 (add-to-list 'package-archives
 	     '("melpa" . "https://melpa.org/packages/")t)
 (package-initialize)
+;;+++++++++++++
+;;function to check installed packages:
+(defun is-installed (pack)
+  "Check if a package is istalled"
+  (unless (package-installed-p pack)
+    (package-refresh-contents)
+    (package-install pack)))
 ;;++++++++++++++++
 ;; use-package
-(unless (package-installed-p 'use-package)
-  (package-refresh-contents)
-  (package-install 'use-package))
+(is-installed 'use-package)
+(is-installed 'helm)
+(require 'helm-config)
+(global-set-key (kbd "M-x") 'helm-M-x)
+(global-set-key (kbd "C-x r b") #'helm-filtered-bookmarks)
+(global-set-key (kbd "C-x C-f") #'helm-find-files)
+(helm-mode 1)
 ;;+++++++++++++
 ;; frame size
 (setq initial-frame-alist '((top . 0)(left . 0)
@@ -44,30 +56,48 @@
 	     '(font . "Source Code Pro-24"))
 ;;+++++++
 ;;auctex:
+(setenv "PATH" (concat "/Library/TeX/texbin:"
+                       (getenv "PATH")))
+(add-to-list 'exec-path "/Library/TeX/texbin")
 (setq TeX-auto-save t)
 (setq TeX-parse-self t)
 (setq-default TeX-master nil)
 ;;--end----
 ;;++++++++
 ;; emacs startup config
- (setq inhibit-startup-message t) ;;inhibit startup
- (tool-bar-mode -1)
- (menu-bar-mode -1)
- (global-hl-line-mode +1) ;; highlith current line
- (delete-selection-mode +1) ;; deletes selected text and replace it
- (scroll-bar-mode -1)
- (setq ns-right-alternate-modifier nil) ;; right option macos key enable
- (fset 'yes-or-no-p 'y-or-n-p) ;; Ask y/n instead of yes/no
- (add-hook 'prog-mode-hook 'display-line-numbers-mode) ;; display line number when programming
- (show-paren-mode +1) ;; show matching parentheses
+(setq inhibit-startup-message t) ;;inhibit startup
+(global-visual-line-mode t)
+(tool-bar-mode -1)
+(menu-bar-mode -1)
+(global-hl-line-mode +1) ;; highlith current line
+(delete-selection-mode +1) ;; deletes selected text and replace it
+(scroll-bar-mode -1)
+(setq ns-right-alternate-modifier nil) ;; right option macos key enable
+(fset 'yes-or-no-p 'y-or-n-p) ;; Ask y/n instead of yes/no
+(add-hook 'prog-mode-hook 'display-line-numbers-mode) ;; display line number when programming
+(show-paren-mode +1) ;; show matching parentheses
+;;---------
+;;========
+;;Flyspell
+(setq ispell-program-name "/usr/local/bin/aspell")
+;(setq ispell-aspell-data-dir "/usr/local/Cellar/ispell/3.4.04/lib/ispell/")
+;(setq ispell-aspell-dict-dir ispell-aspell-data-dir)
+(dolist (hook '(text-mode-hook))
+  (add-hook hook (lambda () (flyspell-mode 1))))
+;; ORG files:
+(is-installed 'org-ref)
+(require 'org-ref)
+(setq org-latex-pdf-process (list "latexmk -shell-escape -bibtex -f -pdf %f"))
+(setq org-latex-prefer-user-labels t)
+
+
+
 (custom-set-variables
  ;; custom-set-variables was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.
  ;; Your init file should contain only one such instance.
  ;; If there is more than one, they won't work right.
- '(custom-safe-themes
-   (quote
-    ("08a27c4cde8fcbb2869d71fdc9fa47ab7e4d31c27d40d59bf05729c4640ce834" default))))
+ )
 (custom-set-faces
  ;; custom-set-faces was added by Custom.
  ;; If you edit it by hand, you could mess it up, so be careful.