org article; update abstract block

lisp/my/my-org-article.el

@@ -230,14 +230,20 @@
  '("color" . "@@html:<font color=\"#$1\">$2</font>@@@@latex:\\textcolor[HTML]{$1}{$2}@@"))
 (add-to-list
  'org-export-global-macros
- '("highlight" . (eval (concat "@@html:<mark style=\""
+ '("highlight" . "(eval (concat \"@@html:<mark style=\\\"\"
-                               (unless (string-empty-p $2) (concat "background-color:" $2 ";"))
+                                (when $2 (concat \"background-color:\" $2 \";\"))
-                               (unless (string-empty-p $3) (concat "border:1px solid " $3 ";"))
+                                (when $3 (concat \"border:1px solid \" $3 \";\"))
-                               ">" $1 "</mark>@@"
+                                \"\\\">\" $1 \"</mark>@@\"
-                               "@@latex:\\highlight["
+                                \"@@latex:\\\\highlight[\"
-                               (unless (string-empty-p $2) (concat $2 ","))
+                                (when $2 (concat $2 \",\"))
-                               (unless (string-empty-p $3) (concat "draw=" $3))
+                                (when $3 (concat \"draw=\" $3))
-                               "]{" $1 "}@@"))) t)
+                                \"]{\" $1 \"}@@\"))") t)
+(add-to-list 'org-export-global-macros
+             '("title-name" . "@@latex:\\mytitlename@@") t)
+(add-to-list 'org-export-global-macros
+             '("keyword-name" . "@@latex:\\mykeywordname@@") t)
+(add-to-list 'org-export-global-macros
+             '("description-name" . "@@latex:\\mydescriptionname@@") t)
 ;; QUOTATION
 ;;; quotation mark (auto language, html using main language)
 (add-to-list
@@ -321,6 +327,7 @@ Currently only one i.e. A.x is possible."
 (defvar my-org-article-latex-default-class-options)
 (defvar my-org-article-latex-header)
 (defvar my-org-article-latex-header-extra)
+(defvar my-org-article-latex-document-type)
 (defvar my-org-article-latex-opening)
 (defvar my-org-article-latex-closing)
 (defvar my-org-article-latex-draft)
@@ -355,6 +362,7 @@ Currently only one i.e. A.x is possible."
     (:latex-hyperref-template nil nil my-org-article-latex-hyperref-template t)
     (:latex-compiler "LATEX_COMPILER" nil my-org-article-latex-compiler t)
     ;; custom
+    (:article-document-type "DOCUMENT_TYPE" nil my-org-article-latex-document-type t)
     (:article-closing "CLOSING" nil my-org-article-latex-closing newline)
     (:article-opening "OPENING" nil my-org-article-latex-opening newline)
     (:article-draft nil "draft" my-org-article-latex-draft t)  ;; toogle (nil/t) to activate draft visuals, see :draft in `my-org-article-latex-template-plist'
@@ -1507,6 +1515,8 @@ Text like <<...>>> will be replaced according to
 
     "\\emergencystretch=6pt"                          ;; fix overful hboxes automatically: 10pt if needed, standard 0, better than \tolerance
     ;; "\\setlength{\\overfullrule}{5pt}"                ;; like draft, show a black box at the end of a overfull hbox
+;;; Abstract
+    "\\renewenvironment{abstract}{\\par\\noindent\\sffamily\\textbf{\\Large\\abstractname}\\\\[-1em]\\begin{spacing}{1.0}}{\\end{spacing}\\par\\medskip}"
 ;;; running title
     ;; "%\\pagestyle{headings}"
     "\\usepackage{fancyhdr}"
@@ -1949,6 +1959,7 @@ Text like <<...>>> will be replaced according to
     ;; e.g. in \\RedeclareSectionCommand[tocbeforeskip=2.25em plus 1pt, ...]{section}
     ;; ("" "tocbasic" nil)
     "\\KOMAoptions{sectionentrydots=true}"
+    "\\DeclareTOCStyleEntry[beforeskip=.5em]{section}{section}"  ;; set spacing between section entries inside toc
     ("" "scrwfile" nil ("pdflatex"))                  ;; avoid trouble with the limited number of write handles ('No room for new \\write')
 ;;; - Section ToC (especially for appendix)
     "\\makeatletter"
@@ -2023,6 +2034,11 @@ Text like <<...>>> will be replaced according to
 
 ;;;; Document
 
+(defcustom my-org-article-latex-document-type
+  "Paper"
+  "Article opening."
+  :group 'my-org-export-article)
+
 (defcustom my-org-article-latex-opening
   ""
   "Article opening."
@@ -2173,6 +2189,30 @@ Uses also `my-org-article-latex-template-value' with
      (let ((template (plist-get info :latex-hyperref-template)))
        (and (stringp template)
             (format-spec template spec)))
+     ;; custom variables
+     (let* ((language (plist-get info :language))
+            (document-type (if (string=
+                                (plist-get info :article-document-type)
+                                my-org-article-latex-document-type)
+                               ;; maybe not specified therefore check language
+                               (cond ((string= "de" language) "Arbeit")
+                                     ;; en version
+                                     (t my-org-article-latex-document-type))
+                             (plist-get info :article-document-type)))
+            (titlename (cond ((string= "de" language)
+                              (concat "Thema der " document-type))
+                             ;; en version
+                             (t (concat document-type " title"))))
+            (keywordname (cond ((string= "de" language) "Stichworte")
+                               ;; en version
+                               (t "Keywords")))
+            (descriptionname
+             (cond ((string= "de" language) "Kurzzusammenfassung")
+                   ;; en version
+                   (t "Description"))))
+       (concat (format "\\def\\mytitlename{%s}\n" titlename)
+               (format "\\def\\mykeywordname{%s}\n" keywordname)
+               (format "\\def\\mydescriptionname{%s}\n" descriptionname)))
      ;; Document start.
      "\\begin{document}\n\n"
      ;; Title command.