4 files changed, 80 insertions, 29 deletions

diff --git a/README.md b/README.md
index ae7e851..9787430 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ License and Disclamer
 =====================
 ekdosis – Typesetting TEI xml-Compliant Critical Editions
 
-Copyright ⓒ 2020--2021 Robert Alessi
+Copyright ⓒ 2020--2022 Robert Alessi
 
 Please send error reports and suggestions for improvements to Robert
 Alessi:
@@ -62,7 +62,7 @@ This release of ekdosis consists of the following source files:
 
 License Applicable to the Documentation
 ---------------------------------------
-Copyright ⓒ 2020--2021 Robert Alessi
+Copyright ⓒ 2020--2022 Robert Alessi
 
 The documentation file `ekdosis.pdf` that is generated from the
 `ekdosis.dtx` source file is licensed under the GNU Free Documentation
diff --git a/ekdosis.dtx b/ekdosis.dtx
index 6c56066..68d968e 100644
--- a/ekdosis.dtx
+++ b/ekdosis.dtx
@@ -1,7 +1,7 @@
 % \iffalse meta-comment
 % 
 % ekdosis -- Typesetting TEI xml-compliant critical editions
-% Copyright (C) 2020--2021  Robert Alessi
+% Copyright (C) 2020--2022  Robert Alessi
 % 
 % Please send error reports and suggestions for improvements to Robert
 % Alessi <alessi@robertalessi.net>
@@ -28,7 +28,7 @@
 This file is part of the `ekdosis' package
 
 ekdosis -- Typesetting TEI xml-compliant critical editions
-Copyright (C) 2020--2021  Robert Alessi
+Copyright (C) 2020--2022  Robert Alessi
 
 Please send error reports and suggestions for improvements to Robert
 Alessi <alessi@robertalessi.net>
@@ -61,7 +61,7 @@ along with this program.  If not, see
 %<package>\NeedsTeXFormat{LaTeX2e}[1999/12/01]
 %<package>\ProvidesPackage{ekdosis}
 %<*package>
-    [2021/12/14 v1.5-dev Typesetting TEI xml-compliant critical editions]
+    [2022/01/04 v1.5-dev Typesetting TEI xml-compliant critical editions]
 %</package>
 %<*driver>
 \begin{filecontents}[noheader,overwrite]{bibdata.xml}
@@ -647,6 +647,7 @@ along with this program.  If not, see
 \bibinput{ekdosis}
 \newcommand\vnref[1]{\vref{#1}, \enquote{\nameref{#1}}}
 \usepackage[style=oxnotes-inote,dashed]{biblatex}
+\usepackage{xurl}
 \DefineBibliographyStrings{english}{
   seenote={cf\adddotspace n\adddotspace}}
 \DeclareSourcemap{
@@ -749,7 +750,7 @@ along with this program.  If not, see
   Para ver una copia de esta licencia, siga el vínculo:
   \metapick[#1]{licenseurl}.}
 \metaset{copyrightowner}{\metapick[#1]{author}}
-\metaset{copyrightdate}{2020--2021}
+\metaset{copyrightdate}{2020--2022}
 \metaset{licensemessage}{Permission is granted to copy, distribute
   and/or modify this document under the terms of the GNU Free
   Documentation License, Version 1.3 or any later version published by
@@ -1923,6 +1924,14 @@ yesterday.
 % introduce an alternate way of writing entries with Latin technical
 % terms in the apparatus criticus as will be demonstrated below in the
 % example provided by \vref{lst:pj2}.\\
+% \DescribeOption{nodelim} |nodelim|$=$\verb+true|false+\\
+% \newfeature[v1.5] This named argument does not need a value as it
+% defaults to |true| if used. |nodelim| removes the delimiter that is
+% printed just before the entry in the apparatus criticus. This option
+% is typically used in rare occasions in combination with |nolem| and
+% |nonum| for entries that carry information not to be printed in the
+% apparatus but nevertheless to be retained in the \texttt{TEI xml}
+% output file.\\
 % \DescribeOption{sep} |sep|$=$\meta{separator}\\
 % |sep| allows to change the symbol used to separate the lemma text
 % from deviant readings, which is by default the closing square
@@ -3868,6 +3877,10 @@ Some \app[type=rec2]{
 % |type| is used to specify the name of the layer where the note is to
 % be printed.\footnote{See \vref{sec:declaring-layers} to learn how to
 % declare and lay out new layers of notes.}\\
+% \DescribeOption{nodelim} |nodelim|$=$\verb+true|false+\\
+% \newfeature[v1.5] This named argument does not need a value as it
+% defaults to |true| if used. This option removes the delimiter that
+% is printed just before the note in the apparatus criticus.\\
 % \DescribeOption{sep} |sep|$=$\meta{command \textbar\ chars}\\
 % The separator between the lemma text and the contents of the note.\\
 % \DescribeOption{nosep} |nosep|$=$\verb+true|false+\\
@@ -7776,7 +7789,7 @@ Sample text with a \textcolor{red}{word} in red.
 %    \end{macrocode}
 % \paragraph{\textsf{ekdosis} Symbol}
 % \begin{macro}{\eKd}
-% \changes{v1.5}{2021/12/14}{Prints \textsf{ekdosis} indentifying
+% \changes{v1.5}{2022/01/04}{Prints \textsf{ekdosis} indentifying
 % symbol} As of v1.5, \pkg{ekdosis} has its own identifying
 % symbol. It is produced by \cs{eKd} and best printed with the Old
 % Standard Greek font.
@@ -8978,6 +8991,7 @@ Sample text with a \textcolor{red}{word} in red.
   store sep = \ekdl@sep,
   noval nonum = \ekdl@nonumtrue,
   noval num = \ekdl@forcenumtrue,
+  bool nodelim = \ifekdl@nodelim,
   bool nolem = \ifekdl@nolem,
   bool nosep = \ifekdl@nosep,
   initial sep = \ekdsep
@@ -9042,7 +9056,7 @@ Sample text with a \textcolor{red}{word} in red.
 % the optional key-value arguments just defined above.
 %    \begin{macrocode}
 \NewDocumentCommand{\lem}{O{} m}{%
-  \ekd@isinlemtrue%
+  \ekd@isinlemtrue
   \luadirect{ekdosis.dolnlab(\luastringN{#2})}%
   \null
   \bgroup%
@@ -9064,10 +9078,14 @@ Sample text with a \textcolor{red}{word} in red.
   \ifekdl@nolem\edef\lem@app{%
     % \hskip .75em
     \ifekd@mapps
-    \ifbool{subsq@unit@\ekdan@type}%
-    {\ekd@munit@delim}{}%
-    \else%
-    \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
+    \unless\ifekdl@nodelim
+      \ifbool{subsq@unit@\ekdan@type}%
+             {\ekd@munit@delim}{}%
+    \fi
+    \else
+    \unless\ifekdl@nodelim
+      \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi
+    \fi
     \fi%
     \unless\ifekdl@nonum\current@ref\fi}%\hskip .25em}%
   \else%
@@ -9075,10 +9093,14 @@ Sample text with a \textcolor{red}{word} in red.
     \edef\lem@app{%
       % \hskip .75em
       \ifekd@mapps
-      \ifbool{subsq@unit@\ekdan@type}%
-      {\ekd@munit@delim}{}%
-      \else%
-      \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
+      \unless\ifekdl@nodelim
+        \ifbool{subsq@unit@\ekdan@type}%
+               {\ekd@munit@delim}{}%
+      \fi
+      \else
+      \unless\ifekdl@nodelim
+        \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi
+      \fi
       \fi%
       \unless\ifekdl@nonum\current@ref\fi%\hskip .25em
       \ifdefined\ekdlr@alt%
@@ -9110,10 +9132,14 @@ Sample text with a \textcolor{red}{word} in red.
     \edef\lem@app{%
       % \hskip .75em
       \ifekd@mapps
-      \ifbool{subsq@unit@\ekdan@type}%
-      {\ekd@munit@delim}{}%
-      \else%
-      \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
+      \unless\ifekdl@nodelim
+        \ifbool{subsq@unit@\ekdan@type}%
+               {\ekd@munit@delim}{}%
+      \fi
+      \else
+      \unless\ifekdl@nodelim
+        \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi
+      \fi
       \fi%
       \unless\ifekdl@nonum\current@ref\fi%\hskip .25em
       \ifdefined\ekdlr@alt%
@@ -9267,6 +9293,7 @@ Sample text with a \textcolor{red}{word} in red.
   store lem = \ekdn@lem,
   code labelb = \def\ekdn@labelb{#1},
   code labele = \def\ekdn@labele{#1},
+  bool nodelim = \ifekdn@nodelim,
   store sep = \ekdn@sep,
   bool nosep = \ifekdn@nosep,
   initial type = default,
@@ -9313,10 +9340,14 @@ Sample text with a \textcolor{red}{word} in red.
   {\edef\note@contents{%
       % \hskip .75em
       \ifekd@mapps
+      \unless\ifekdn@nodelim
         \ifbool{subsq@unit@\ekdan@type}%
-        {\ekd@munit@delim}{}%
-      \else%
-        \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
+               {\ekd@munit@delim}{}%
+      \fi
+      \else
+        \unless\ifekdn@nodelim
+          \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi
+        \fi
       \fi%
       \unless\ifekdn@nonum\current@ref@arg{\ekdn@labelb}{\ekdn@labele}\fi%\hskip .25em
       \ifdefined\ekdn@lem%
@@ -9329,10 +9360,14 @@ Sample text with a \textcolor{red}{word} in red.
   {\edef\note@contents{%
       % \hskip .75em
       \ifekd@mapps
-        \ifbool{subsq@unit@\ekdan@type}%
-        {\ekd@munit@delim}{}%
-      \else%
-        \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
+        \unless\ifekdn@nodelim
+          \ifbool{subsq@unit@\ekdan@type}%
+                 {\ekd@munit@delim}{}%
+        \fi
+      \else
+        \unless\ifekdn@nodelim
+          \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi
+        \fi
       \fi%
       \unless\ifekdn@nonum\current@ref@arg{\ekdn@labelb}{\ekdn@labele}\fi%\hskip .25em
       \ifdefined\ekdn@lem
@@ -10109,6 +10144,17 @@ Sample text with a \textcolor{red}{word} in red.
 \NewDocumentEnvironment{ekdpar}{}{\par}{\par}
 %    \end{macrocode}
 % \end{environment}
+% \begin{macro}{\ekdunspace}
+% Provisionally, this very simple command is used by \pkg{ekdosis} to
+% remove undesirable spaces, notably around empty lemmas in the
+% apparatus. As it is used internally, \cs{ekdunspace} is not
+% documented.
+%    \begin{macrocode}
+\newlength{\ekdspace}
+\settowidth{\ekdspace}{ }
+\def\ekdunspace{\hskip-\ekdspace}
+%    \end{macrocode}
+% \end{macro}
 % \paragraph{Configuration File} Finally, if a configuration file
 % named |\jobname-ekd.cfg| can be found, this file is read and its
 % contents loaded into the document preamble. This provides a
@@ -10559,6 +10605,7 @@ local texpatttotags = {
    {a="\\teidirect%s+{(.-)}(%b{})", b="<%1>ekd@ob%2ekd@cb</%1>"},
    {a="\\altrfont%s+", b=""},
    {a="\\endmark%s+", b=""},
+   {a="\\unskip%s+", b=""},
    {a="\\ekdpb%s+%*?%[(.-)%]{(.-)}", b=""},
    {a="\\ekdpb%s+%*?{(.-)}", b=""},
    {a="\\ekdpb%s+%*\\?", b=""},
@@ -12495,6 +12542,10 @@ local function remove_from_app(str)
 end
 
 function ekdosis.mdvappend(str, teitype)
+   if current_lemma == ""
+   then
+      current_lemma = "\\ekdunspace"
+   end
    if teitype == nil
    then
    return "\\linelabel{" .. current_lnlab .. "-b}\\wordboundary{}"
diff --git a/ekdosis.el b/ekdosis.el
index d128b7a..8f6d8ab 100644
--- a/ekdosis.el
+++ b/ekdosis.el
@@ -2,7 +2,7 @@
 ;; This file is part of the `ekdosis' package
 
 ;; ekdosis -- TEI xml compliant critical editions
-;; Copyright (C) 2020--2021  Robert Alessi
+;; Copyright (C) 2020--2022  Robert Alessi
 
 ;; Please send error reports and suggestions for improvements to Robert
 ;; Alessi <alessi@robertalessi.net>
diff --git a/ekdosis.ins b/ekdosis.ins
index e0c3c84..de08215 100644
--- a/ekdosis.ins
+++ b/ekdosis.ins
@@ -12,7 +12,7 @@ License:| Released under the GNU General Public License v3 or later
 This file is part of the `ekdosis' package
 
 ekdosis -- Typesetting TEI xml compliant critical editions
-Copyright (C) 2020--2021  Robert Alessi
+Copyright (C) 2020--2022  Robert Alessi
 
 Please send error reports and suggestions for improvements to Robert
 Alessi <alessi@robertalessi.net>