Two-line initial information

Added a note to the documentation indicating that a two line initial must have two line breaks in the gabc Added error at end of score if a score with a two line initial ends without finding the end of the second line.
gregorio-project · Mar 10, 2016 · cd714a6 · cd714a6
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diff --git a/doc/Command_Index_User.tex b/doc/Command_Index_User.tex
@@ -787,6 +787,8 @@ \subsubsection{Text Elements}
   \#1 & number & The number of lines required by the initial.  If \texttt{0}, the score will have no separated initial.\\
 \end{argtable}
 
+\textbf{Nota Bene:} As currently implemented, you cannot set an initial which is larger than 2 lines and in order to do so you must set manual line breaks in the gabc for the first two lines.
+
 \macroname{\textbackslash gresetmodenumbersystem}{\#1}{gregoriotex-main.tex}
 Sets the number system used for the mode number.
 

diff --git a/tex/gregoriotex-main.tex b/tex/gregoriotex-main.tex
@@ -1249,6 +1249,11 @@
 
 %macro called at the end of a score
 \def\GreEndScore{%
+  \ifnum\gre@biginitial=1\relax%
+    \ifnum\gre@knownline<3\relax%
+      \gre@error{Score ended before finding the end\MessageBreak of the second line of a 2-line initial.  Make sure\MessageBreak you have at least two manual line breaks in \MessageBreak your gabc}%
+    \fi%
+  \fi%
   \global\gre@lastoflinecount=0\relax %
   \gre@useautoeolcustos%
   \GreEndEUOUAE{}%