Added oriscus cavum glyphs.

CHANGELOG.md

@@ -11,6 +11,7 @@ As of v3.0.0 this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 - Salicus flexus glyphs (See [#631](https://github.com/gregorio-project/gregorio/issues/631)).
 - Neume fusion, activated in gabc by `@`.  Use `@` before a clivis or a porrectus to get an unstemmed figure.  Use `@` between two notes to fuse them explicitly.  Enclose a set of notes within `@[` and `]` to automatically guess their fusion.  See GregorioRef for details (for the channge requests, see [#679](https://github.com/gregorio-project/gregorio/issues/679), [#687](https://github.com/gregorio-project/gregorio/issues/687), and [#692](https://github.com/gregorio-project/gregorio/issues/692)).
+- Hollow version of the oriscus, called by adding the `r` modifier to an oriscus, as in `gor` or `gor<` (See [#724](https://github.com/gregorio-project/gregorio/issues/724)).
 
 ### Deprecated
 - `initial-style` gabc header, supplanted by the `\gresetinitiallines` TeX command.

doc/Command_Index_gregorio.tex

@@ -525,6 +525,42 @@ \section{Gregorio Controls}
   \#1 & integer & Height number of the custos.\\
 \end{argtable}
 
+\macroname{\textbackslash GreOriscusCavum}{\#1\#2\#3\#4\#5\#6}{gregoriotex-signs.tex}
+Macro to typeset an oriscus cavum (the oriscus points at a higher note).
+
+\begin{argtable}
+  \#1 & length  & Argument \#2 from \verb=\GreGlyph=. Height to raise the glyph.\\
+  \#2 & length  & Argument \#3 from \verb=\GreGlyph=. Height of the next note.\\
+  \#3 & integer & Argument \#4 from \verb=\GreGlyph=. The type of glyph.\\
+  \#4 & \TeX\ code & Macros executed before the oriscus cavum is written.\\
+  \#5 & character & Argument \#5 from \verb=\GreGlyph=. The signs to typeset before the glyph.\\
+  \#6 & string & the line, byte offset, and column address for textedit links when point-and-click is enabled.
+\end{argtable}
+
+\macroname{\textbackslash GreOriscusCavumAuctus}{\#1\#2\#3\#4\#5\#6}{gregoriotex-signs.tex}
+Macro to typeset a reverse oriscus cavum (the oriscus points at a lower note).
+
+\begin{argtable}
+  \#1 & length  & Argument \#2 from \verb=\GreGlyph=. Height to raise the glyph.\\
+  \#2 & length  & Argument \#3 from \verb=\GreGlyph=. Height of the next note.\\
+  \#3 & integer & Argument \#4 from \verb=\GreGlyph=. The type of glyph.\\
+  \#4 & \TeX\ code & Macros executed before the oriscus cavum is written.\\
+  \#5 & character & Argument \#5 from \verb=\GreGlyph=. The signs to typeset before the glyph.\\
+  \#6 & string & the line, byte offset, and column address for textedit links when point-and-click is enabled.
+\end{argtable}
+
+\macroname{\textbackslash GreOriscusCavumDeminutus}{\#1\#2\#3\#4\#5\#6}{gregoriotex-signs.tex}
+Macro to typeset a reverse oriscus cavum with a deminutus tail.
+
+\begin{argtable}
+  \#1 & length  & Argument \#2 from \verb=\GreGlyph=. Height to raise the glyph.\\
+  \#2 & length  & Argument \#3 from \verb=\GreGlyph=. Height of the next note.\\
+  \#3 & integer & Argument \#4 from \verb=\GreGlyph=. The type of glyph.\\
+  \#4 & \TeX\ code & Macros executed before the oriscus cavum is written.\\
+  \#5 & character & Argument \#5 from \verb=\GreGlyph=. The signs to typeset before the glyph.\\
+  \#6 & string & the line, byte offset, and column address for textedit links when point-and-click is enabled.
+\end{argtable}
+
 \macroname{\textbackslash GreOverBrace}{\#1\#2\#3\#4}{gregoriotex-signs.tex}
 Macro to typeset a round brace above the lines.
 

doc/GregorioRef.lua

@@ -83,6 +83,12 @@ local GABC = {
   Natural = [[gy]],
   NaturalHole = [[\excluded{gy}]],
   Oriscus = [[go]],
+  OriscusCavum = [[gor]],
+  OriscusCavumDeminutus = [[gor\~{}]],
+  OriscusCavumDeminutusHole = [[\excluded{gor\~{}}]],
+  OriscusCavumHole = [[\excluded{gor}]],
+  OriscusCavumReversus = [[gor>]],
+  OriscusCavumReversusHole = [[\excluded{gor>}]],
   OriscusLineBL = [[\excluded{e}@go]],
   OriscusReversus = [[go^^^^003c]],
   OriscusReversusLineTL = [[\excluded{i}@go]],
@@ -202,6 +208,8 @@ function GregorioRef.emit_score_glyphs(cs_greciliae, cs_gregorio, cs_parmesan)
 
   local function index_font(csname, variants, common)
     local glyphs = font.fonts[font.id(csname)].resources.unicodes
+    -- force-load the code points of the font --
+    local ignored = glyphs['___magic___']
     local glyph, cp
     for glyph, cp in pairs(glyphs) do
       if cp >= 0xe000 and not EXCLUDE[glyph] and not glyph:match('^HEpisema') then
@@ -302,7 +310,8 @@ function GregorioRef.emit_score_glyphs(cs_greciliae, cs_gregorio, cs_parmesan)
     if b then
       table.insert(glyph_names, { a, b, c, d, e })
     else
-      tex.error('Unable to parse '..name)
+      -- if parse fails, just use the name
+      table.insert(glyph_names, { '', name, '', '', '' })
     end
   end
   local function compare(x, y)

fonts/greciliae-base.sfd

@@ -20,7 +20,7 @@ OS2Version: 0
 OS2_WeightWidthSlopeOnly: 0
 OS2_UseTypoMetrics: 1
 CreationTime: 1176402534
-ModificationTime: 1450840039
+ModificationTime: 1450990984
 OS2TypoAscent: 0
 OS2TypoAOffset: 1
 OS2TypoDescent: 0
@@ -43,7 +43,7 @@ NameList: Adobe Glyph List
 DisplaySize: -96
 AntiAlias: 1
 FitToEm: 1
-WinInfo: 112 16 4
+WinInfo: 144 16 4
 BeginPrivate: 0
 EndPrivate
 Grid
@@ -71,7 +71,7 @@ Grid
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-BeginChars: 379 164
+BeginChars: 379 170
 
 StartChar: Punctum
 Encoding: 0 -1 0
@@ -4134,5 +4134,167 @@ SplineSet
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 EndSplineSet
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