update headers and year

1 files changed, 95 insertions, 94 deletions

diff --git a/org/out_latex.org b/org/out_latex.org
index cb73d5c..9424078 100644
--- a/org/out_latex.org
+++ b/org/out_latex.org
@@ -4,14 +4,15 @@
 #+FILETAGS:    :spine:output:latex:pdf:
 #+AUTHOR:      Ralph Amissah
 #+EMAIL:       [[mailto:ralph.amissah@gmail.com][ralph.amissah@gmail.com]]
-#+COPYRIGHT:   Copyright (C) 2015 - 2019 Ralph Amissah
+#+COPYRIGHT:   Copyright (C) 2015 - 2020 Ralph Amissah
 #+LANGUAGE:    en
-#+STARTUP:     indent content hideblocks hidestars
-#+OPTIONS:     H:3 num:nil toc:t \n:nil @:t ::t |:t ^:nil _:nil -:t f:t *:t <:t
-#+OPTIONS:     TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc
-#+OPTIONS:     author:nil email:nil creator:nil timestamp:nil
-#+PROPERTY:    header-args :results silent :padline no :exports code :cache no :noweb yes
-#+EXPORT_SELECT_TAGS:  export
+#+STARTUP:     content hideblocks hidestars noindent entitiespretty
+#+PROPERTY:    header-args  :exports code
+#+PROPERTY:    header-args+ :noweb yes
+#+PROPERTY:    header-args+ :eval no
+#+PROPERTY:    header-args+ :results no
+#+PROPERTY:    header-args+ :cache no
+#+PROPERTY:    header-args+ :padline no
 
 - [[./spine.org][spine]]  [[./][org/]]
 - [[./output_hub.org][output_hub]]
@@ -48,7 +49,7 @@ template outputLaTeX() {
 
 ** write latex output                                            :latex:out:
 
-#+name: output_latex
+#+NAME: output_latex
 #+BEGIN_SRC d
 void writeOutputLaTeX(T,M)(
   const T    latex_content,
@@ -89,7 +90,7 @@ void writeOutputLaTeX(T,M)(
 
 ** latex output hub [#A]                                     :latex:pdf:out:
 
-#+name: output_latex
+#+NAME: output_latex
 #+BEGIN_SRC d
 void outputLaTeX(D,M)(
   const    D   doc_abstraction,
@@ -111,7 +112,7 @@ void outputLaTeX(D,M)(
 * stuff
 ** output imports
 
-#+name: output_latex_imports
+#+NAME: output_latex_imports
 #+BEGIN_SRC d
 import doc_reform.io_out;
 import
@@ -125,7 +126,7 @@ import
 ** shared
 *** paper dimensions (struct)
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
     auto paper() {
       struct PaperType {
@@ -242,7 +243,7 @@ import
 *** latex \escape special characters
 **** general
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string sp_char_esc(O)(
   string      _txt,
@@ -271,7 +272,7 @@ import
 }
 #+END_SRC
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string sp_char_esc_txt()(
   string      _txt,
@@ -313,7 +314,7 @@ import
 
 - bold, italics, underscore, strikethrough
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string fontface()(
   string      _txt,
@@ -336,7 +337,7 @@ _txt = _txt
 **** spaces
 ***** leading hardspace
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string leading_hardspaces()(
   string      _txt,
@@ -353,7 +354,7 @@ _txt = _txt
 
 ***** nbsp character
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string nbsp_char()(string _txt) {
   if (_txt.match(rgx.nbsp_char)) {
@@ -365,7 +366,7 @@ _txt = _txt
 
 ***** remove nbsp character
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string nbsp_char_to_space()(string _txt) {
   if (_txt.match(rgx.nbsp_char)) {
@@ -378,7 +379,7 @@ _txt = _txt
 **** links and images
 ***** links / urls
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string links_and_images(O,M)(
   string      _txt,
@@ -430,7 +431,7 @@ _txt = _txt
 *** footnotes
 **** footnotes
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string footnotes()(
   string      _txt,
@@ -451,7 +452,7 @@ _txt = _txt
 
 **** footnote remove
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string remove_footnotes()(
   string      _txt,
@@ -466,7 +467,7 @@ _txt = _txt
 *** para
 **** para
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string para(O)(
   string      _txt,
@@ -487,7 +488,7 @@ _txt = _txt
 
 **** bookindex para
 
-#+name: output_latex_shared
+#+NAME: output_latex_shared
 #+BEGIN_SRC d
 @safe string bookindex(O)(
   string      _txt,
@@ -508,7 +509,7 @@ _txt = _txt
 
 *** bullets & indentation
 
-#+name: output_latex_head
+#+NAME: output_latex_head
 #+BEGIN_SRC d
 @safe string bullets_and_indentation(O)(
   string      _txt,
@@ -553,7 +554,7 @@ _txt = _txt
 
 *** heading
 
-#+name: output_latex_shared_0
+#+NAME: output_latex_shared_0
 #+BEGIN_SRC d
   @safe string heading(O,M)(
     string      _txt,
@@ -727,7 +728,7 @@ _txt = _txt
 
 - (hardspace not honored) clear hardspace marker
 
-#+name: output_latex_shared_0
+#+NAME: output_latex_shared_0
 #+BEGIN_SRC d
 string group(O,M)(
   string      _txt,
@@ -755,7 +756,7 @@ string group(O,M)(
 
 - (hardspace honored) \hardspace
 
-#+name: output_latex_shared_0
+#+NAME: output_latex_shared_0
 #+BEGIN_SRC d
 string block(O,M)(
   string      _txt,
@@ -787,7 +788,7 @@ string block(O,M)(
 
 - (hardspace honored) \hardspace
 
-#+name: output_latex_shared_0
+#+NAME: output_latex_shared_0
 #+BEGIN_SRC d
 string verse(O,M)(
   string      _txt,
@@ -819,7 +820,7 @@ string verse(O,M)(
 
 - (hardspace honored) \begin{lstlisting} clear hardspace marker
 
-#+name: output_latex_shared_0
+#+NAME: output_latex_shared_0
 #+BEGIN_SRC d
 string codeblock(O,M)(
   string      _txt,
@@ -851,7 +852,7 @@ string codeblock(O,M)(
 
 ***** tablarize
 
-#+name: output_latex_shared_0
+#+NAME: output_latex_shared_0
 #+BEGIN_SRC d
 auto tablarize(O)(
   string            _txt,
@@ -890,7 +891,7 @@ auto tablarize(O)(
 
 ***** table
 
-#+name: output_latex_shared_0
+#+NAME: output_latex_shared_0
 #+BEGIN_SRC d
 string table(O,M)(
   string      _txt,
@@ -945,7 +946,7 @@ string table(O,M)(
 *** latex head                                                       :head:
 **** latex head function
 
-#+name: output_latex_head
+#+NAME: output_latex_head
 #+BEGIN_SRC d
 string latex_head(M)(
                         M    doc_matters,
@@ -956,7 +957,7 @@ string latex_head(M)(
 ***** paper type dimensions
 ****** struct
 
-#+name: output_latex_head
+#+NAME: output_latex_head
 #+BEGIN_SRC d
   struct paperType {
     string a4_portrait;
@@ -969,7 +970,7 @@ string latex_head(M)(
 
 ****** footer
 
-#+name: output_latex_head
+#+NAME: output_latex_head
 #+BEGIN_SRC d
   string _footer(M)(M doc_matters) {
     string _ft = "\\lfoot[\\textrm{\\thepage}]";
@@ -1003,18 +1004,18 @@ string latex_head(M)(
 
 ****** a4, portrait
 
-#+name: output_latex_head_1_format_string
+#+NAME: output_latex_head_1_format_string
 #+BEGIN_SRC d
   paper.a4_portrait    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \documentclass[12pt,a4paper,titlepage]{scrartcl}
 \setlength{\textheight}{228mm} \setlength{\textwidth}{160mm}
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
 ┃",
   );
@@ -1022,18 +1023,18 @@ string latex_head(M)(
 
 ****** a4, landscape
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   paper.a4_landscape    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \documentclass[11pt,a4paper,landscape,titlepage,twocolumn]{scrartcl}
 \setlength{\textheight}{160mm} \setlength{\textwidth}{238mm}
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
 ┃",
   );
@@ -1041,18 +1042,18 @@ string latex_head(M)(
 
 ****** us letter, portrait
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   paper.us_letter_portrait    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \documentclass[12pt,letterpaper,titlepage]{scrartcl}
 \setlength{\textheight}{212mm} \setlength{\textwidth}{166mm}
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
 ┃",
   );
@@ -1060,18 +1061,18 @@ string latex_head(M)(
 
 ****** us letter, landscape
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   paper.us_letter_landscape    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \documentclass[11pt,letterpaper,landscape,titlepage,twocolumn]{scrartcl}
 \setlength{\textheight}{166mm} \setlength{\textwidth}{226mm}
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
 ┃",
   );
@@ -1080,7 +1081,7 @@ string latex_head(M)(
 ***** paper margins
 ****** struct
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   struct paperMargins {
     string portrait;
@@ -1091,19 +1092,19 @@ string latex_head(M)(
 
 ****** portrait
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   margins.portrait    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \setlength{\oddsidemargin}{0mm} \setlength{\evensidemargin}{0mm}
 \setlength{\topmargin}{-12pt} \setlength{\headheight}{12pt}
 \setlength{\headsep}{35pt}
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
 ┃",
   );
@@ -1111,19 +1112,19 @@ string latex_head(M)(
 
 ****** landscape
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   margins.landscape    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \setlength{\oddsidemargin}{6mm} \setlength{\evensidemargin}{6mm}
 \setlength{\topmargin}{-12mm} \setlength{\headheight}{12pt}
 \setlength{\headsep}{20pt}
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
 ┃",
   );
@@ -1132,7 +1133,7 @@ string latex_head(M)(
 ***** multicol
 ****** struct
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   struct columnsMulti {
     string portrait;
@@ -1143,17 +1144,17 @@ string latex_head(M)(
 
 ****** portrait
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   multicol.portrait    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \usepackage{multicol}
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
 ┃",
   );
@@ -1161,7 +1162,7 @@ string latex_head(M)(
 
 ****** landscape
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   multicol.landscape    = "";
 #+END_SRC
@@ -1169,7 +1170,7 @@ string latex_head(M)(
 ***** color links
 ****** struct
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   struct colorLinks {
     string mono;
@@ -1180,12 +1181,12 @@ string latex_head(M)(
 
 ****** mono
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   links.mono    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \usepackage[xetex,
   colorlinks=true,
@@ -1194,7 +1195,7 @@ string latex_head(M)(
   linkcolor=myblack,
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
 ┃",
   );
@@ -1202,12 +1203,12 @@ string latex_head(M)(
 
 ****** color
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC d
   links.color    = format(q"┃
 #+END_SRC
 
-#+name: output_latex_head_1_tex
+#+NAME: output_latex_head_1_tex
 #+BEGIN_SRC latex
 \usepackage[xetex,
   colorlinks=true,
@@ -1216,7 +1217,7 @@ string latex_head(M)(
   linkcolor=myred,    %% \href{...} and \pageref{...}
 #+END_SRC
 
-#+name: output_latex_head_1_format_string_variables
+#+NAME: output_latex_head_1_format_string_variables
 #+BEGIN_SRC d
 ┃",
   );
@@ -1224,14 +1225,14 @@ string latex_head(M)(
 
 **** latex head starts
 
-#+name: output_latex_head_0_format_string
+#+NAME: output_latex_head_0_format_string
 #+BEGIN_SRC d
   string _latex_head = format(q"┃%%%% spine LaTeX output
 #+END_SRC
 
 ***** description comment
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 %%%% Generated by: %s
 %%%% D version: %s
@@ -1247,7 +1248,7 @@ string latex_head(M)(
 - paper.us_letter_portrait
 - paper.us_letter_landscape
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 %s
 #+END_SRC
@@ -1257,14 +1258,14 @@ string latex_head(M)(
 - margins.portrait
 - margins.landscape
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 %s
 #+END_SRC
 
 ***** margin shared
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \setlength{\marginparsep}{4mm}
 \setlength{\marginparwidth}{8mm}
@@ -1272,14 +1273,14 @@ string latex_head(M)(
 
 ***** multicol (portrait | landscape)
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 %s
 #+END_SRC
 
 ***** language & font
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \usepackage{polyglossia, ucs, fontspec, xltxtra, xunicode}
 \setmainlanguage{%s}
@@ -1293,7 +1294,7 @@ string latex_head(M)(
 
 ***** latex head
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \usepackage{alltt}
 \usepackage{thumbpdf}
@@ -1301,14 +1302,14 @@ string latex_head(M)(
 
 ***** color links: no = mono | yes = color
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 %s
 #+END_SRC
 
 ***** metadata
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
   pdftitle={%s},
   pdfauthor={%s},
@@ -1342,7 +1343,7 @@ string latex_head(M)(
 
 ***** define colors
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \usepackage[usenames]{color}
 \definecolor{myblack}{rgb}{0,0,0}
@@ -1354,7 +1355,7 @@ string latex_head(M)(
 
 ***** latex head
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \usepackage{url}
 \urlstyle{sf}
@@ -1364,7 +1365,7 @@ string latex_head(M)(
 
 ***** latex head
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \usepackage{textcomp}
 \usepackage[parfill]{parskip}
@@ -1386,7 +1387,7 @@ string latex_head(M)(
 
 ***** indent, bullet, list
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \usepackage[multiple,ragged]{footmisc}
 \setlength\footnotemargin{12pt}
@@ -1430,7 +1431,7 @@ string latex_head(M)(
 
 ***** part, section, subsection, paragraph, subparagraph
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \usepackage{fancyhdr}
 \lhead{}
@@ -1464,7 +1465,7 @@ string latex_head(M)(
 
 ***** latex head misc. including defined commands
 
-#+name: output_latex_head_0_tex
+#+NAME: output_latex_head_0_tex
 #+BEGIN_SRC latex
 \selectlanguage{%s}
 \lhead[ ]{ }
@@ -1525,7 +1526,7 @@ string latex_head(M)(
 
 **** latex head format inclusions
 
-#+name: output_latex_head_0_format_string_variables
+#+NAME: output_latex_head_0_format_string_variables
 #+BEGIN_SRC d
 ┃",
   doc_matters.opt.action.debug_do ? "" : doc_matters.generator_program.name_and_version.strip,
@@ -1549,7 +1550,7 @@ string latex_head(M)(
 
 **** latex head return
 
-#+name: output_latex_head_close
+#+NAME: output_latex_head_close
 #+BEGIN_SRC d
   return _latex_head.strip;
 }
@@ -1558,7 +1559,7 @@ string latex_head(M)(
 *** ↻ latex body                                             :content:body:
 **** latex body function
 
-#+name: output_latex_body
+#+NAME: output_latex_body
 #+BEGIN_SRC d
 string latex_body(D,M)(
   const    D   doc_abstraction,
@@ -1571,7 +1572,7 @@ string latex_body(D,M)(
 
 **** ↻ loop open
 
-#+name: output_latex_body
+#+NAME: output_latex_body
 #+BEGIN_SRC d
   foreach (part; doc_matters.has.keys_seq.latex) {
     foreach (obj; doc_abstraction[part]) {
@@ -1581,7 +1582,7 @@ string latex_body(D,M)(
 **** ↻ within loop
 ***** frontmatter
 
-#+name: output_latex_body
+#+NAME: output_latex_body
 #+BEGIN_SRC d
       case "frontmatter":              assert(part == "head" || "toc");
         _txt = obj.text
@@ -1608,7 +1609,7 @@ string latex_body(D,M)(
 
 ***** body
 
-#+name: output_latex_body
+#+NAME: output_latex_body
 #+BEGIN_SRC d
       case "body":                     assert(part == "body" || "head"); // surprise
         _txt = obj.text
@@ -1670,7 +1671,7 @@ string latex_body(D,M)(
 
 ***** backmatter
 
-#+name: output_latex_body
+#+NAME: output_latex_body
 #+BEGIN_SRC d
       case "backmatter":
         assert(part == "endnotes" || "glossary" || "bibliography" || "bookindex" || "blurb" || "tail");
@@ -1730,7 +1731,7 @@ string latex_body(D,M)(
 
 ***** after
 
-#+name: output_latex_body
+#+NAME: output_latex_body
 #+BEGIN_SRC d
       case "comment":
         break;
@@ -1755,7 +1756,7 @@ string latex_body(D,M)(
 
 **** latex body return
 
-#+name: output_latex_body
+#+NAME: output_latex_body
 #+BEGIN_SRC d
   return _latex_body;
 }
@@ -1764,7 +1765,7 @@ string latex_body(D,M)(
 *** latex tail                                                       :tail:
 **** latex tail function
 
-#+name: output_latex_tail
+#+NAME: output_latex_tail
 #+BEGIN_SRC d
 string latex_tail(M)(
                         M    doc_matters,
@@ -1773,7 +1774,7 @@ string latex_tail(M)(
 
 **** latex tail starts
 
-#+name: output_latex_tail
+#+NAME: output_latex_tail
 #+BEGIN_SRC d
   string _latex_tail = format(q"┃
 #+END_SRC
@@ -1783,7 +1784,7 @@ string latex_tail(M)(
 
 ***** latex document end
 
-#+name: output_latex_tail_tex
+#+NAME: output_latex_tail_tex
 #+BEGIN_SRC latex
 
 \end{document}
@@ -1791,7 +1792,7 @@ string latex_tail(M)(
 
 **** latex tail format inclusions
 
-#+name: output_latex_tail_close
+#+NAME: output_latex_tail_close
 #+BEGIN_SRC d
 ┃",
   // doc_matters.conf_make_meta.meta.title_full,
@@ -1801,7 +1802,7 @@ string latex_tail(M)(
 
 **** latex tail return
 
-#+name: output_latex_tail_close
+#+NAME: output_latex_tail_close
 #+BEGIN_SRC d
   return _latex_tail;
 }