Added some configuration for LaTeX in Emacs

.spacemacs

@@ -301,14 +301,14 @@ It should only modify the values of Spacemacs settings."
    ;; Press `SPC T n' to cycle to the next theme in the list (works great
    ;; with 2 themes variants, one dark and one light)
    dotspacemacs-themes '(xresources
+                         doom-vibrant
+                         doom-nord
                          spacemacs-dark
                          doom-one
                          doom-opera
-                         doom-nord
                          doom-dracula
                          doom-molokai
                          doom-peacock
-                         doom-vibrant
                          doom-sourcerer
                          doom-spacegrey
                          kaolin-dark
@@ -487,7 +487,7 @@ It should only modify the values of Spacemacs settings."
    ;;   :size-limit-kb 1000)
    ;; When used in a plist, `visual' takes precedence over `relative'.
    dotspacemacs-line-numbers '(:relative nil
-                               :enabled-for-modes prog-mode)
+                                         :enabled-for-modes prog-mode)
 
    ;; Code folding method. Possible values are `evil' and `origami'.
    ;; (default 'evil)
@@ -677,6 +677,9 @@ dump."
                ("ll"  . flex-mode)   ("s"     . asm-mode)  ("pl" . prolog-mode)
                ("l"   . scheme-mode) ("vs"    . glsl-mode) ("fs" . glsl-mode)))
     (push (cons (concat "\\." (car e) "\\'") (cdr e)) auto-mode-alist))
+  (dolist (e '("service" "timer" "target" "mount" "automount" "slice" "socket"
+               "path" "netdev" "network" "link"))
+    (push (cons (concat "\\." e "\\'") 'conf-unix-mode) auto-mode-alist))
 
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                                         ;              shortcuts              ;
@@ -1006,6 +1009,30 @@ So a typical ID could look like \"Org-4nd91V40HI\"."
                       ("\\subsection{%s}" . "\\subsection*{%s}")
                       ("\\subsubsection{%s}" . "\\subsubsection*{%s}")))))
 
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+                                        ;                LaTeX                ;
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+  (defcustom tex-my-viewer
+    "xreader --fork -s -x \"emacsclient --eval '(progn (switch-to-buffer (file-name-nondirectory \"'\"'\"%{input}\"'\"'\")) (goto-line %{line}))'\""
+    "PDF  Viewer for  TeX documents.  You  may want  to fork  the
+viewer  so that  it detects  when the  same document  is launched
+twice, and persist when Emacs gets closed.
+
+Simple command:
+
+  xreader --fork
+
+We can use
+
+  emacsclient --eval '(progn (switch-to-buffer
+                       (file-name-nondirectory \"%{input}\"))
+                      (goto-line %{line}))'
+
+to reverse-search a  pdf using SyncTeX. Note that  the quotes and
+double-quotes matter and must be escaped appropriately."
+    :safe 'stringp)
+  (add-hook 'doc-view-minor-mode-hook 'auto-revert-mode)
+
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