1 files changed, 85 insertions, 15 deletions

diff --git a/ekdosis.dtx b/ekdosis.dtx
index c2e8e42..513483e 100644
--- a/ekdosis.dtx
+++ b/ekdosis.dtx
@@ -1761,6 +1761,19 @@ yesterday.
 % orthographical and the like may apply. Obviously, |type=emendation|
 % should be restricted to lemma texts and |type=conjecture| to variant
 % readings recorded by means of \cs{rdg} described below.
+% 
+% \needspace{2\baselineskip}
+% \noindent
+% \DescribeOption{num} (no-value
+% argument)\phts\label{ref:lem-num}\newfeature[v1.3]\\
+% |num| takes no value. If used, this argument instructs to print any
+% line number that \pkg{ekdosis} may have decided not to print in the
+% apparatus criticus before the lemma text.\\
+% \DescribeOption{nonum} (no-value
+% argument)\phts\label{ref:lem-nonum}\newfeature[v1.3]\\
+% Compared to |num|, |nonum| does the opposite. If used, any number
+% that \pkg{ekdosis} may have decided to print before the lemma text
+% is suppressed.
 %
 % \needspace{11\baselineskip}
 % Finally, four named arguments can be used to insert words at the
@@ -2052,6 +2065,19 @@ friend
 %</example>
 % \fi
 %
+% \danger It must be noted that from a technical standpoint, albeit
+% the nested lemmas are printed \emph{before} their parents in the
+% apparatus criticus, they are seen by \pkg{ekdosis} \emph{after} the
+% latter as the source file is compiled. As a result, notably when the
+% whole nested group of lemmas fall on the same line without being
+% preceded by an apparatus entry on this line, it may be needed to
+% suppress redundant numbers that \pkg{ekdosis} may have decided to
+% print in the appartus criticus. Conversely, it may be needed to
+% print numbers that \pkg{ekdosis} may have decided not to print. To
+% both ends, the |num| and |nonum| optional arguments of the \cs{lem}
+% command can be used as described above
+% \vpagerefrange{ref:lem-num}{ref:lem-nonum}.
+%
 % \subsubsection{Explicit Grouping}
 % \label{sec:explicit-grouping}
 % \DescribeMacro{\rdgGrp} \cs{rdgGrp}\oarg{options}\marg{lemma text
@@ -2459,11 +2485,11 @@ friend
 % \iffalse
 %</example>
 % \fi
-% 
+%
+% \needspace{11\baselineskip}
 % PDF output:---
 % \medskip
 % 
-% \needspace{7\baselineskip}
 % \resetlinenumber
 % \begin{alignment}[flush,tcols=1,texts=specimen,apparatus=specimen]
 %   \begin{specimen}
@@ -3548,6 +3574,14 @@ Some \app[type=rec2]{
 % \DescribeOption{lem} |lem|$=$\meta{lemma text}\\
 % |lem| is the span of text the note is about. It may consist of one
 % or more words, or of an abridged lemma text.\\
+% \DescribeOption{num} (no-value argument)\newfeature[v1.3]\\
+% |num| takes no value. If used, this argument instructs to print any
+% line number that \pkg{ekdosis} may have decided not to print in the
+% apparatus criticus before the note.\\
+% \DescribeOption{nonum} (no-value argument)\\
+% Compared to |num|, |nonum| does the opposite. If used, any number
+% that \pkg{ekdosis} may have decided to print before the note
+% is suppressed.\\
 % \DescribeOption{labelb} |labelb|$=$\meta{label}
 % \hfill\tcboxverb{Mandatory}\\
 % |labelb| is the unique label to serve as a reference for the point
@@ -5880,7 +5914,7 @@ many mathematical writings and to the sense of
 % \danger If the entire string to be captured be enclosed in square or
 % curly brackets, it is advisable to use |@b|\texttt{\emph{n}} (for
 % curly brackets) or |@s|\texttt{\emph{n}} (for square brackets)
-% instead of |#|\texttt{\emph{n}}, where \texttt{\emph{n}} is the the
+% instead of |#|\texttt{\emph{n}}, where \texttt{\emph{n}} is the
 % number that is expected in the sequence. This will prevent any
 % brackets that may be found in the captured string from being
 % interpreted.
@@ -8174,6 +8208,9 @@ Sample text with a \textcolor{red}{word} in red.
     \LRnum{\getpagerefnumber{#2}}.%
     \LRnum{\getrefnumber{#2}}\unexpanded\expandafter{\ekd@postrefnum}% issue pg and ln nos
     \fi%
+    \ifekdn@forcenum
+      \LRnum{\getrefnumber{#1}}\unexpanded\expandafter{\ekd@postrefnum}% force the no
+    \fi
   }%
 }
 %    \end{macrocode}
@@ -8210,14 +8247,21 @@ Sample text with a \textcolor{red}{word} in red.
     =
     0
     \ifekd@appinapp
+    \ifnum%
+    \pdf@strcmp{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
+    {\getrefnumber{\luadirect{tex.sprint(ekdosis.getprevprevlnlab())}-b}}
+    =
+    0
+    \else
     \LRnum{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
-      \unexpanded\expandafter{\ekd@postrefnum}% issue the no    
+      \unexpanded\expandafter{\ekd@postrefnum}% issue the no
+    \fi
     \fi
     \else
     \LRnum{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
-      \unexpanded\expandafter{\ekd@postrefnum}% issue the no    
+      \unexpanded\expandafter{\ekd@postrefnum}% issue the no
     \fi
-    %%%end
+    %%% end
       \else
       \LRnum{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
         \unexpanded\expandafter{\ekd@postrefnum}% issue the no
@@ -8239,14 +8283,21 @@ Sample text with a \textcolor{red}{word} in red.
     =
     0
     \ifekd@appinapp
+    \ifnum%
+    \pdf@strcmp{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
+    {\getrefnumber{\luadirect{tex.sprint(ekdosis.getprevprevlnlab())}-b}}
+    =
+    0
+    \else
     \LRnum{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
-      \unexpanded\expandafter{\ekd@postrefnum}% issue the no    
+      \unexpanded\expandafter{\ekd@postrefnum}% issue the no
+    \fi
     \fi
     \else
     \LRnum{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
-      \unexpanded\expandafter{\ekd@postrefnum}% issue the no    
+      \unexpanded\expandafter{\ekd@postrefnum}% issue the no
     \fi
-    %%%end
+    %%% end
     \else
     \LRnum{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
       \unexpanded\expandafter{\ekd@postrefnum}% issue the no
@@ -8276,12 +8327,18 @@ Sample text with a \textcolor{red}{word} in red.
     \LRnum{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-e}}%
       \unexpanded\expandafter{\ekd@postrefnum}% issue pg and ln nos
     \fi%
+    \ifekdl@forcenum
+    \LRnum{\getrefnumber{\luadirect{tex.sprint(ekdosis.getlnlab())}-b}}%
+      \unexpanded\expandafter{\ekd@postrefnum}% force the no
+    \fi
   }%
 }
 %    \end{macrocode}
 % Define keys to be used by the optional arguments of \cs{lem} and
 % \cs{rdg}:---
 %    \begin{macrocode}
+\newif\ifekdl@forcenum
+\newif\ifekdl@nonum
 \ekvdefinekeys{lem}{
   code wit = \def\ekdlr@wit{#1},
   code source = \def\ekdlr@source{#1},
@@ -8293,6 +8350,8 @@ Sample text with a \textcolor{red}{word} in red.
   code postwit = \def\ekdlr@postwit{#1},
   store type = \ekdlr@type,
   store sep = \ekdl@sep,
+  noval nonum = \ekdl@nonumtrue,
+  noval num = \ekdl@forcenumtrue,
   bool nolem = \ifekdl@nolem,
   bool nosep = \ifekdl@nosep,
   initial sep = \ekdsep
@@ -8358,6 +8417,8 @@ Sample text with a \textcolor{red}{word} in red.
   \luadirect{ekdosis.dolnlab(\luastringN{#2})}%
   \null
   \bgroup%
+  \ekdl@forcenumfalse
+  \ekdl@nonumfalse
   \ekvset{lem}{#1}%
   \ekd@test@lang
   \ifekd@mapps%
@@ -8379,7 +8440,7 @@ Sample text with a \textcolor{red}{word} in red.
     \else%
     \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
     \fi%
-    \current@ref}%\hskip .25em}%
+    \unless\ifekdl@nonum\current@ref\fi}%\hskip .25em}%
   \else%
   \ifbool{al@rlmode}{%
     \edef\lem@app{%
@@ -8390,7 +8451,7 @@ Sample text with a \textcolor{red}{word} in red.
       \else%
       \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
       \fi%
-      \current@ref%\hskip .25em
+      \unless\ifekdl@nonum\current@ref\fi%\hskip .25em
       \ifdefined\ekdlr@alt%
         \ifdefined\ekdlr@post%
           \space\unexpanded\expandafter{\ekdlr@post}\space\else\fi
@@ -8425,7 +8486,7 @@ Sample text with a \textcolor{red}{word} in red.
       \else%
       \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
       \fi%
-      \current@ref%\hskip .25em
+      \unless\ifekdl@nonum\current@ref\fi%\hskip .25em
       \ifdefined\ekdlr@alt%
         \ifdefined\ekdlr@pre%
           \space\unexpanded\expandafter{\ekdlr@pre}\space\else\fi
@@ -8561,6 +8622,7 @@ Sample text with a \textcolor{red}{word} in red.
 % Define keys to be used by the optional argument of \cs{note} when
 % this command is found outside \cs{app}:---
 %    \begin{macrocode}
+\newif\ifekdn@forcenum
 \ekvdefinekeys{note}{
   store type = \ekdan@type,
   store lem = \ekdn@lem,
@@ -8569,7 +8631,9 @@ Sample text with a \textcolor{red}{word} in red.
   store sep = \ekdn@sep,
   bool nosep = \ifekdn@nosep,
   initial type = default,
-  initial sep = \ekdsep
+  initial sep = \ekdsep,
+  bool nonum = \ifekdn@nonum,
+  noval num = \ekdn@forcenumtrue
 }
 %    \end{macrocode}
 % \cs{note@noapp} is used internally when a \cs{note} command is found
@@ -8615,7 +8679,7 @@ Sample text with a \textcolor{red}{word} in red.
       \else%
         \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
       \fi%
-      \current@ref@arg{\ekdn@labelb}{\ekdn@labele}%\hskip .25em
+      \unless\ifekdn@nonum\current@ref@arg{\ekdn@labelb}{\ekdn@labele}\fi%\hskip .25em
       \ifdefined\ekdn@lem%
       {\textdir TRT\unexpanded\expandafter{\ekd@lemmastyle}%
         \unexpanded\expandafter{\ekdn@lem}}%
@@ -8631,7 +8695,7 @@ Sample text with a \textcolor{red}{word} in red.
       \else%
         \ifsubsq@unit\unexpanded\expandafter{\ekd@unit@delim}\fi%
       \fi%
-      \current@ref@arg{\ekdn@labelb}{\ekdn@labele}%\hskip .25em
+      \unless\ifekdn@nonum\current@ref@arg{\ekdn@labelb}{\ekdn@labele}\fi%\hskip .25em
       \ifdefined\ekdn@lem
         \ifbool{ekd@lang@pkg}%
         {{\unexpanded\expandafter{\ekd@lemmastyle}%
@@ -11455,6 +11519,7 @@ local lnlabs = {}
 local lnlab_salt = 0
 local current_lnlab = nil
 local prev_lnlab = nil
+local prev_prev_lnlab = nil
 local notelabs = {}
 local current_notelab = nil
 local prev_notelab = nil
@@ -11469,6 +11534,7 @@ local function mdvisintable(table, value)
 end
 
 function ekdosis.dolnlab(str)
+   if prev_lnlab ~= nil then prev_prev_lnlab = prev_lnlab end
    prev_lnlab = current_lnlab
    current_lemma = str
    i = md5.sumhexa(str)
@@ -11491,6 +11557,10 @@ function ekdosis.getprevlnlab()
    return prev_lnlab
 end
 
+function ekdosis.getprevprevlnlab()
+   return prev_prev_lnlab
+end
+
 function ekdosis.setnotelab(str)
    current_notelab = str
    if isfound(notelabs, current_notelab)