UPGRADE

4.0

Font changes

The music fonts (greciliae, gregorio, and parmesan) have changed with this release. If the neumes do not appear or look strange in the output, you may need to clear your LuaTeX font cache by using luaotfload-tool --cache=erase.

GregorioTeX and fontspec

Changes to the LaTeX kernel have made it so that if you use the fontspec and gregoriotex pacakges, you must load the fontspec package first.

Command Name Systemization

A naming scheme for GregorioTeX commands has been established and so most commands have had their names changed in order to bring them into line with the new scheme. Some have also had their syntax changed. Briefly, user commands all now have a \gre prefix (to prevent name colisions with other packages) and groups of commands which altered a single setting have been replaced by a single command which takes an argument specifying the value of the setting. The notable exception to this are the two main commands: \gregorioscore (replaces \includescore) and \gabcsnippet. See GregorioRef for the complete list of new command names and their syntax.

Old command names should still work for now, but will raise a deprecation warning which indicates the name of the correct command to use. Exceptions are noted below:

\grescaledim: This function now takes two arguments. The second should be yes, true, on, or scalable to acheive the old behavior.

Additionally a new package option has been added. This option, deprecated=false, is helpful if you wish to ensure that your TeX file is compliant with the new naming system. This option causes all deprecated commands to raise an error, halting TeX, thus allowing you to actively find all deprecated commands and update them in your TeX file.

Barred letters

If you use barred letters and a font other than Linux Libertine in your document, you must adjust the horizontal placement of the bar on the letter. To do so, use the \gresimpledefbarglyph macro. For example, use \gresimpledefbarredsymbol{A}{0.3em} in your preamble, tweaking the second argument to have a good result (same for R and V). If using LaTeX, you can alternately use the \grelatexsimpledefbarredsymbol macro, which allows control over bold and italic versions of the barred letter. See the documentation of \gresimpledefbarredsymbol and \grelatexsimpledefbarredsymbol in the PDF documentation for more details.

If you were using \Vbarsmall, \greletterbar, and \greletteraltbar, you must use \gresimpledefbarredsymbol to redefine your barred letters (see PDF documentation for details).

.gtex extension

The gregorio executable now uses the .gtex extension by default (instead of .tex, formerly) for GregorioTeX files that it produces. If you use \includescore{file.tex}, then you should change this to \includescore{file.gtex} or use the newer autocompilation feature.

Custom spacings

If you are using custom spacings, please update the values of interwordspacetext, intersyllablespacenotes and interwordspacenotes to match their new definitions (in the comments in gsp-default.tex). Also note that alterationspace is now fixed and cannot take plus or minus values.

Euouae blocks

You are advised to surround your Euouae blocks by the new <eu> tag. For instance,

E(i) u(i) o(i) u(h) a(h) e(fe..)

can become

<eu>E(i) u(i) o(i) u(h) a(h) e</eu>(fe..)

This will prevent line breaking, so if you were using so-called no linebreak areas (with { in gabc) just for Euouae blocks, you can switch to this new tag, which will make things clearer and allow further spacing customization.

Horizontal episema improvements

Changes to the way the horizontal episema is placed and "bridged" to other notes within the syllable may cause Gregorio to render things differently in the more esoteric (or bug-ridden) cases. If you are depending on the old behavior, you might need to add suffixes to the _ in gabc to get what you want:

Add 0 to force the episema to appear below the note.
Add 1 to force the episema to appear above the note.
Add 2 to prevent Gregorio from attempting to connect this episema to the next.
Add 3 to use a small episema, aligned to the left of the note.
Add 4 to use a small episema, centered in the middle of the note.
Add 5 to use a small episema, aligned to the right of the note.

Note: 3, 4, and 5 encompass a new feature and are listed here only for completeness.

Choral sign dimension renames

beforechoralsignspace has been renamed to beforelowchoralsignspace.
lowchoralsignshift has been renamed to choralsigndownshift.
highchoralsignshift has been renamed to choralsignupshift and its sign (direction of shift) inverted.

Styling score elements

Changing the styling of text elements of the score (the initial, translations, etc.) formerly required the user to redefine a command which took an argument, while changing the styling of the staff lines had a command specialized to that purpose. All formats can now be changed via the \grechangestyle command. This command takes two or three arguments. The first argument, required, is the name of the format to be altered. The defined formats are:

initial: normal initials
biginitial: big (2-line) initials
translation: translation text
abovelinestext: above lines text (alt in gabc)
normalstafflines: the full length staff lines
additionalstafflines: the short lines behind notes above or below the staff. This style defaults to inheriting changes to normalstafflines.
lowchoralsign: low choral signs
highchoralsign: high choral signs
modeline: the mode annotation above the initial if the content of the mode header in gabc is rendered.
firstword: the first word of the score (excluding the score initial)
firstsyllable: the first syllable of the first word of the score (excluding the score initial).
firstsyllableinitial: the first letter of the first word of the score which is not the score initial.

The second argument, also required, is the code necessary to turn on the styling. The third argument, optional and enclosed in square braces ([ and ]), is the code necessary to turn off the styling (e.g. if the code to turn on the styling contains a \begin{environment} then the code to turn it off must have the matching \end{environment}). The third argument is optional because not all styling commands have explicit off switches.

While the old way of changing the styles is still supported, you should switch to this new method to future-proof your scores.

Examples: Let's say you previously had the following in your LaTeX document:

\renewcommand{\greabovelinetextstyle}[1]{{\small\it #1}}

This would have made the text which was wrapped with <alt></alt> in your gabc file appear small and italicized in your score. To update this to the new system you would replace the above line with the following:

\grechangestyle{abovelinetext}{\small\it}

Centering scheme

The gabc centering-scheme header is now deprecated and will disappear soon. Use the \grelyriccentering command from TeX instead. If you were using centering-scheme: latine; in gabc, now use \grelyriccentering{vowel} in the TeX file that includes the gabc. If you were using centering-scheme: english; in gabc, now use \grelyriccentering{syllable} in the TeX file that includes the gabc.

Using the gabc header will, in this release, do that for you, but it will produce a deprecation warning. This header will no longer be available in the next release.

Annotations

Support for annotations with an arbitrary number of lines has been added. To facilite this, the old functions which added annotations to specific lines (either the first or the second) are consolidated into a single function \greannotation which builds the annotations line by line. If you used the old functions for adding annotations, then you should switch out those functions for the new one.

The distance associated with the annotations has also been renamed (from aboveinitialseparation to annotationseparation) and supplemented by a new distance (annotationraise). The first still controls the spacing between the lines of the annoation. The second controls the position of the annotation relative to the score, and thus replaces the second argument in the old functions. By default, annotations are positioned so that the baseline of the first line is aligned with the top line of the staff. Positive values of annotationraise will push the annotation up while negative values will push it down. If you were previously using the second argument to \gresetfirstlineaboveinitial to adjust the spacing, you will need to convert this to call:

\grechangedim{annotationraise}{0.1cm}{1}

Since the baseline position of annotations is a change from the old behavior, you will need to adjust the value of the distance a bit to achieve the desired positioning.

As is normal, calls to the deprecated command names will raise a warning but still work. However, there is one caveat: the old functions will always add the annotations to the bottom of the annotation list, regardless of the order in which they are called. Previously, you could call \gresetsecondannotation before \gresetfirstannotation and still have the first annotation appear on top. Which annotation appears on top is now determined by the order in which the functions are called.

The Annotation Header

The annotation header in gabc files now passes its value(s) to GregorioTeX for placement above the inital letter of the score. Up to two annotation fields are supported, the first for the first line above the initial, and the second field for the second line.

annotation: 1 Ant.;
annotation: VII a;

Full TeX markup is also accepted:

annotation: {\color{red}1 Ant.};
annotation: {\color{red}VII a};

If you define annotation(s) in the main TeX file via \greannotation, then the annotation header field in the gabc file will not overwrite that definition.

Variable Height Line Spacing

GregorioTeX is now able to make individual lines of a score taller when the position of the note requires extra space, without affecting the rest of the lines. This is the new default behavior. If you prefer the uniform line heights of earlier versions, use:

\gresetlineheightexpansion{uniform}

Within a TeX document, you can switch back to variable line heights by using:

\gresetlineheightexpansion{variable}

You can freely switch between the two behaviors within a TeX document, but only between scores.

This new behavior requires two passes (two runs of lualatex) in order to do the calculation correctly. On the first pass, lualatex will warn you with the message

Module gregoriotex warning: Line heights or variable brace lengths may have changed. Rerun to fix.

As you edit your document, lualatex will only show this warning if an extra run is required.

Alternately, you can use something like latexmk to automate this activity. Instructions for using latexmk are outside the scope of this document. Please consult the latexmk documentation for more information on using it.

It should also be noted that this new feature, besides requiring two passes, also imposes a small performance penalty on each pass to do the additional computation. This is negligible for small documents, but may have more noticeable impact as documents get larger.

MetaPost brace rendering

GregorioTeX now uses MetaPost (by default) to render braces. This allows fine-tuning to better maintain optical line weight when braces are stretched. Since the shapes are slightly different, you may prefer the old behavior, which may be restored by using:

\gresetbracerendering{font}

Within a TeX document, you can switch back to MetaPost brace rendering by using:

\gresetbracerendering{metapost}

You can freely switch between the two behaviors within a TeX document.

Keyword argument for `\grecreatedim` and `\grechangedim`

In order to better match the new command naming conventions, the third argument of \grecreatedim and \grechangedim should now be scaling or fixed instead of 1 or 0, respectively.

Liquescence on bistropha and tristropha

In order to be more consistent, making a bistropha or tristropha liquescent by adding < in gabc will now only affect the note thus marked. This means that a tristropha like (gsss<) will only show the final stropha as liquescent, which is different from the older behavior of making every stropha liquescent. If you prefer the old behavior, mark every note explicitly as liquescent with something like (gs<gs<gs<).

Empty first syllable hyphen

Prior to version 4.0, GregorioTeX would put a hyphen below an empty first syllable (which happens when the first syllable consists only of the initial). The spacing algorithm is improved in 4.0, but that eliminates the hyphen if there is not enough space between the note of the first syllable and the next syllable. The \gresetemptyfirstsyllablehyphen command controls this behavior. It defaults to force, which restores the pre-4.0 behavior, but may be changed to auto (i.e., \gresetemptyfirstsyllablehyphen{auto}) if you prefer the space-based behavior.

gabc-version header

The gabc-version header has become meaningless. It is now deprecated. Please remove it from your gabc files if you had been using it.

CHANGELOG

[4.0.0] - 2015-12-08

Fixed

Handling of the first syllable in gabc is now more consistent with the all other syllables. This centers the syllable correctly when using latin syllable centering (see #42) and makes the use of styles less surprising in the first syllable (see #135).
Handling of manually-placed custos is improved. In particular, a manual custos at the end of the score should no longer be lost when the bar happens to be at the end of the line.
Improved rendering of torculus resupinus flexus figures (see #18).
Horizontal episema on the second note of a scandicus is now rendered in the correct place (see #419).
The dot in a space directly above a punctum in a descending neume is now placed slightly higher in the space (see #386 and Gna! bug 21737).
Choral signs are now positioned correctly around porrectus and torculus resupinus (see #387 and Gna! bug 22025).
Gregorio will now try harder to select an appropriate pitch for an automatic custos (z0) on a clef change (see #446). If results are not satisfactory, use a manual custos (+) to select a pitch manually.
The centering of styled text under notes is now correct (See #509).
Space for above lines text is now correctly added as needed, even at the beginning of a score (see #533).
Corrected the rendering of explicit automatic and manual custos at the end of lines when the clef change that follows it is pushed to the next line (see #569).
Distinguished between eolshift and bolshift giving each their own flag and user commmand for turning them on and off. \seteolshift{enable} allows the lyric text to stretch under the custos at the end of the line. \setbolshift{enable} aligns the beginning of each line on the notes instead of the text. Both are on by default, but can be turned off with \seteolshift{disable} and \setbolshift{disable}.
The spacing of manual in-line custos ((f+) in gabc) is now consistent with the spacing of automatic in-line custos ((z0) in gabc). See #642.
Signs on the climacus praepunctis deminutus (ghgf~) neume are now positioned correctly. See #650
Mac installer has been made SIP compliant (i.e. it now works on El Capitan).
Mac installer can now detect installations of TeXLive done with MacPorts or the command-line tool provided by TUG.
Windows executable has file version information attached correctly so that the installer can properly recognize and replace the binary during an upgrade process.
Spacing was too large when alteration begins a syllable, see #663.

Changed

A new, more systematic naming scheme has been created for GregorioTeX macros. The naming scheme should reduce the chances of naming conflicts with other packages and make it easier to identify what a particular macro is for and how to use it. Most user functions have been renamed in order to bring them into line with this scheme. Please see GregorioRef for a complete list of the new function names. In general, old names will still work, but they will raise a deprecation warning and will be dropped from GregorioTeX in a future relase.
The spacing algorithm has completely changed, expect your scores to look quite different (better we hope).
Lines are now aligned on the leftmost note instead of the leftmost letter.
Some glyph shapes are improved a little in greciliae, it should be noticeable especially for porrectus.
The O modifier in gabc now has expanded uses beyond the salicus (egOi). A stemmed oriscus will appear on a lone pitch (gO) or a followed by a lower pitch (gOe) (see #76). A virga strata will appear on the second note of two ascending pitches (giO).
With thanks to Abbazia Mater Ecclesiae (IT) for drawing the new shapes, the strophicus, liquescent strophicus, liquescent oriscus, and liquescent punctum inclinatum in greciliae have changed to better differentiate them from other shapes. If you prefer the old shapes use:

    \grechangeglyph{Stropha}{greciliae}{.caeciliae}
    \grechangeglyph{StrophaAucta}{greciliae}{.caeciliae}
    \grechangeglyph{OriscusDeminutus}{greciliae}{.caeciliae}
    \grechangeglyph{PunctumInclinatumAuctus}{greciliae}{.caeciliae}

Default initial sizes have been chosen so that they are more appropriate when an infinitely scaling font is loaded. LaTeX will make an automatic substitution of the closest avaialble size when such a font is not used.
Porrectus deminutus and torculus resupinus deminutus glyphs have been updated to more closely match the current Solesmes books (see #143). If you prefer the old forms, use:

    \grechangeglyph{Porrectus*}{*}{.alt}
    \grechangeglyph{TorculusResupinus*}{*}{.alt}

New (much) improved drawings for letter bars (for Versicle, Antiphon, etc.). You must fine-tune them if you use a text font other than Linux Libertine, see UPGRADE.md for details.
The default extension gregorio (the executable program) will use when it produces GregorioTeX files has been changed from .tex to .gtex. Any calls to \includescore that use the old extension should be changed appropriately.
Horizontal episema improvements:
- A horizontal episema on the first two notes of a porrectus is now rendered differently than a horizontal episema on all three notes of a porrectus. It will no longer reach to the right side of the porrectus (see #70).
- Similar to appending 0 to the _ to force a horizontal episema to appear below a note, 1 may now be appended to the _ to force a horizontal episema to appear above the note. These may be used simutaneously, by adding both _0 and _1 to the same note (see #40).
- It is now possible to render a small horizontal episema. To use it, append 3 (for left-aligned), 4 (for center-aligned), or 5 (for right-aligned) to the _ used for adding the horizontal episema in gabc (see #40).
- Horizontal episema "bridging" has been made more consistent and is now possible on an episema that is below the note. (see #389).
- It is now possible to suppress the automatic horizontal episema "bridging" across spaces within a syllable. To use it, append 2 to the _ on the note before the space you do not want bridged (see #72).
- A horizontal episema will no longer overlap with a vertical episema on the same note (see #395).
The dot after a torculus whose last note is on a line will now appear below the line (see #386). If you do not like the automatic placement of a dot after any note on a line (not just the torculus), you may specify a 0 or 1 after the . to force the dot to appear below or above the line, respectively.
Choral sign dimensions have been renamed (see #387):
- beforechoralsignspace is now beforelowchoralsignspace.
- lowchoralsignshift is now choralsigndownshift.
- highchoralsignshift is now choralsignupshift and its sign is now inverted.
Style for score elements can now be changed via the \grechangestyle command. This replaces the mixed system of styling commands which could be redefined for some elements and specialized commands for applying styles to others. See GregorioRef for details.
Annotations with more than two lines are now supported (originally requested on the user list when two line annoations were made possible). To build the annotation box use \greannoataion. See GregorioRef for details.
The annotation header field in gabc now places its value(s) above the inital if no annotation is explicitly given by the user via \greannotation (see #44).
\grescaledim now takes two arguments to bring it into line with the systemized naming scheme. The second argument should be scalable if you want the distance to scale when the staff size changes, fixed if you don't.
Gregorio is now able to make individual lines of a score taller, when the position of the note require extra space, without affecting the rest of the lines. This is the new default behavior. See UPGRADE.md and GregorioRef for details (for the change request, see #59).
Braces are now rendered using MetaPost by default. This allows the line weight to remain more consistent when braces are stretched. The old behavior (which uses the score font instead) can be restored using \gresetbracerendering{font}. See UPGRADE.md and GregorioRef for details (for the change request, see #535).
\grecreatedim and \grechangedim now take keywords for their third argument (scalable and fixed) instead of integers (1 and 0) to make the more in keeping with the overall user command conventions.
Alterations are partially ignored when aligning lines on the notes (i.e. \gresetbolshifts{enabled}). They are not allowed to get any closer to the clef than beforealterationspace and the lyrics are not allowed to get any closer to the left-hand margin than minimalspaceatlinebeginning, but other than that GregorioTeX will shift them left as much as possible to make the notes align spaceafterlineclef away from the clef. Note that for the default values of these distances, only the natural is small enough to acheive true alignment.
gregoriotex.sty and gregoriosyms.sty now check to make sure that they are not both loaded. If gregoriotex detects that gregoriosyms is loaded, then an error is raised. If gregoriosyms detects that gregoriotex is loaded, then the loading of gregoriosyms is silently aborted and compilation proceeds.
Liquescence on a bistropha or tristropha will only appear on the note(s) marked by < in gabc, rather than on all notes in the figure. This means that a figure like (gsss<) will only have a liquescent "tail" on the final note. If you would like all notes to be liquescent for some reason, you can use a figure like (gs<gs<gs<) instead.
alterationspace is now a fixed dimension, see UPGRADE.md for details.

Added

With thanks to Jakub Jelínek, St. Gallen style adiastematic notation is now handled through nabc syntax (see GregorioNabcRef.pdf for details and the new example). Only one line above the notes is currently handled. This is a preview, backward incompatible change are possible in future releases.
<eu> tag in gabc to delimit Euouae block in the score. It prevents linebreaking and makes spaces tighter. See UPGRADE.md for details.
With thanks to Fr. Jacques Peron, it is now possible to embed short gabc snippets directly into a TeX document. The command is \gabcsnippet. See GregorioRef.pdf for full details.
[ub:x:y mm] tag, similar to [ob:x:y mm], but for braces under notes.
[ob:x{] and [ob:x}] tag pairs for braces where the length is determined by the distance of the opening and closing tags. [ocb:x{] with [ocb:x}], [ocba:x{] with [ocba:x}] and [ub:x{] with [ub:x}] can be used similarly for other kinds of braces and brackets.
The ability to substitute an arbitrary glyph for one used by GregorioTeX. This adds four macros:
- \grechangeglyph to make a score glyph substitution
- \greresetglyph to remove a score glyph substitution
- \gredefsymbol for (re-)defining an arbitrary non-score glyph that scales with the text
- \gredefsizedsymbol for (re-)defining an arbitary non-score glyph that requires a point-size to be specified.
  See GregorioRef.pdf for full details.
Added --with-kpathsea option to configure script, to check input and output file against openout_any and openin_any settings of texmf.cnf (TeXLive only). Necessary to be included in shell_escape_commands in TeXLive.
Support for lualatex -recorder. Autocompiled gabc and gtex files will now be properly recorded so that programs like latexmk -recorder can detect the need to rebuild the PDF when a gabc file changes.
A vertical episema may now be forced to appear above or below a note. In gabc, use '0 for the vertical episema to appear below and '1 for the vertical episema to appear above (see #385).
The first word, first syllable, and first letter of the first syllable that is not interpreted as the initial of the score can now be styled from TeX. Use \grechangestyle to modify the firstsyllableinitial, firstsyllable, and firstword as desired.
The final line of a score may now be forced to be fully justified (rather than ragged) using \gresetlastline{justified} before including the score (see #43). Use \gresetlastline{ragged} to switch back to a ragged last line.
\gresethyphen{force} forces GregorioTeX to put a hyphen between each syllable in a polysyllabic word. \gresethyphen{auto} restores behavior to normal.
Support for custom vowel centering rules. Put a file called gregorio-vowels.dat into your project directory or into a directory accessible from TEXMF and add the header language: name; to your gabc file. The gregorio-vowels.dat file describes how vowels are to be located in the name language. See GregorioRef for details.
\gresetlinecolor takes a named color as an argument. As a result, the red staff lines can be made consistent with the text, even when the user changes gregoriocolor with \gresetlinecolor{gregoriocolor}. Addresses #21787 on the old tracker.
Package option deprecated=false. Causes all deprecated commands to raise an error and halt TeX.
The ability to add LilyPond-like point-and-click textedit links into the PDF file to aid with debugging scores. This must be explicitly enabled and should be turned off when producing files for distribution as it embeds path information into the output. To enable this, you must pass the -p option to gregorio when compiling gabc files and add \gresetpointandclick{on} before including the score. It may be toggled back off with \gresetpointandclick{off}. See GregorioRef for details (for the change request, see #528).
New score fonts with glyphs unique to Dominican chant. These fonts replace the epiphonus and the augmented liquescents with corresponding figures from Dominican liturgical books. To use the new fonts, pass the [op] option to the \gresetgregoriofont command (i.e., \gresetgregoriofont[op]{greciliae}). See GregorioRef for details (for the change request, see #1).
Support for "punctum cavum inclinatum" and "punctum cavum inclinatum auctus" figures. The gabc for these are (Gr) and (Gr<), where G is the capitalized pitch letter.
\greillumination: allows user to specify arbitrary content (usually an image) to be used as the initial.
New distance, initialraise, which will lift (or lower, if negative) the initial.
A new type of lyric centering, enabled with \gresetlyriccentering{firstletter}, which aligns the neume with the first letter of each syllable.
\greornamentation allows access to the two ornamentation glyphs. The ability to access these two glyphs via {\gregoriosymbolfont \char 75} was broken by the new interface to the glyphs in greextra.
The missing liquescent salicus glyphs.
The ability to force a hyphen after an empty first syllable, enabled by default since this was the behavior prior to 4.0. Version 4.0 has an improved spacing algorithm which will eliminate the hyphen if the notes for the first syllable are too close to the second. To switch to this behavior, use \gresetemptyfirstsyllablehyphen{auto}. See UPGRADE.md and GregorioRef for details (for the change request, see #653).
Shell scripts for configuring TeXShop and TeXworks on a Mac.

Deprecated

\GreSetStaffLinesFormat, supplanted by \grechangeformat{normalstafflines}...
\greinitialformat, if you were redefining this command, use \grechangeformat{initial}... instead
\grebiginitialformat, if you were redefining this command, use \grechangeformat{biginitial}... instead
\gretranslationformat, if you were redefining this command, use \grechangeformat{translation}... instead
\greabovelinestextstyle, if you were redefining this command, use \grechangeformat{abovelinestext}... instead
\grelowchoralsignstyle, if you were redefining this command, use \grechangeformat{lowchoralsign}... instead
\grehighchoralsignstyle, if you were redefining this command, use \grechangeformat{highchoralsign}... instead
\setaboveinitialseparation, supplanted by \grechangedim{annotationseparation}...
\scorereference, supplanted by \grescorereference
\GreScoreReference, supplanted by \grescorereference
\commentary, supplanted by \grecommentary
\setgretranslationcenteringscheme, supplanted by \gresettranslationcentering
\englishcentering, supplanted by \gresetlyriccentering{syllable}
\defaultcentering, supplanted by \gresetlyriccentering{vowel}
\setgrefactor, supplanted by \grechangestaffsize
\forcecompilegabc, supplanted by \gresetcompilegabc{force}
\autocompilegabc, supplanted by \gresetcompilegabc{auto}
\nevercompilegabc, supplanted by \gresetcompilegabc{never}
\includescore, supplanted by \gregorioscore
\grenoscaledim, supplanted by \grescaledim{...}{no}
\gresetdim, supplanted by \grecreatedim
\setstafflinethickness, supplanted by \grechangestafflinethickness
\grecoloredlines, supplanted by \gresetlinecolor
\greredlines and \redlines, supplanted by \gresetlinecolor{gregoriocolor}
\grenormallines and \normallines, supplanted by \gresetlinecolor{black}
\greremovelines, supplanted by \gresetlines{invisible}
\gredonotremovelines, supplanted by \gresetlines{visible}
\GreHidePCLines, supplanted by \gresetlinesbehindpunctumcavum{invisible}
\GreDontHidePCLines, supplanted by \gresetlinesbehindpunctumcavum{visible}
\GreHideAltLines, supplanted by \gresetlinesbehindalteration{invisible}
\GreDontHideAltLines, supplanted by \gresetlinesbehindalteration{visible}
\gresetnlbintranslation, supplanted by \gresetbreakintranslation
\greblockcustos, supplanted by \greseteolcustos{manual}
\greenableeolshifts, supplanted by \greseteolshifts{enable}
\gredisableeolshifts, supplanted by \greseteolshifts{disable}
\GreUseNoramalHyphen, supplanted by \greseteolhyphen{normal}
\GreUseZeroHyphen, supplanted by \greseteolhyphen{zero}
\greremoveclef, supplanted by \gresetclef{invisible}
\grenormalclef, supplanted by \gresetclef{visible}
\AddHEpisemusBridges, supplanted by \gresethepisema{bridge}
\RemoveHEpisemusBridges, supplanted by \gresethepisema{break}
\UseAlternatePunctumCavum, supplanted by \gresetpunctumcavum{alternate}
\UseNormalPunctumCavum, supplanted by \gresetpunctumcavum{normal}
\clivisalignmentalways, supplanted by \gresetclivisalignment{always}
\clivisalignmentnever, supplanted by \gresetclivisalignment{never}
\clivisalignmentspecial, supplanted by \gresetclivisalignment{special}
\greusedefaultstyle, supplanted by \gresetglyphsytle{default}
\greusemedicaeastyle, supplanted by \gresetglyphsytle{medicaea}
\greusehufnagelstyle, supplanted by \gresetglyphsytle{hufnagel}
\greusemensuralstyle, supplanted by \gresetglyphsytle{mensural}
\setspaceafterinitial, supplanted by \grechangedim{afterinitialshift}...
\setspacebeforeinitial, supplanted by \grechangedim{beforeinitialshift}...
\setinitialspacing, supplanted by \grechangedim{beforeinitialshift}..., \grechangedim{manualinitialwidth}..., and \grechangedime{afterinitialshift}...
centering-scheme gabc header, supplanted by \grelyriccentering in TeX. See GregorioRef for syntax.
gregoriotex-font gabc header, supplanted by \gresetgregoriofont in TeX. See GregorioRef for syntax.
The meaningless gabc-version header in gabc (see #664).

Removed

GregorioXML and OpusTeX output
Support for lilypond-preamble, musixtex-preamble, and opustex-preamble gabc headers.
Support for the font Gregoria.
Chironomy markings (gabc u and U), which were not working correctly in the first place.
\Vbarsmall, \greletterbar, and \greletteraltbar, supplanted by the new glyph system, see UPGRADE.md.
\GreSetAboveInitialSeparation, supplanted by \grechangedim{annotationseparation}...
\includetexscore, supplanted by \gregorioscore[n]
\greincludetexscore, supplanted by \gregorioscore[n]
\includegabcscore, supplanted by \gregorioscore[f]
\greincludegabcscore, supplanted by \gregorioscore[f]
\GreSetSpaceBeforeInitial, supplanted by \grechangedim{beforeinitialshift}...
\GreSetSpaceAfterInitial, supplanted by \grechangedim{afterinitialshift}...
\GreSetAboveInitialSeparation, supplanted by \grechangedim{annotationseparation}...
\gresetstafflinefactor, supplanted by \grechangestafflinethickness
greg-book and greg-lily-book engines, supplanted by improved capabilities of \gregorioscore for compiling gabc files at time of document compilation.
The TeXShop script for compiling gabc files. Supplanted by the new autocompile feature of the package.

Known Bugs

When beginning of line clefs are invisible and bol shifts are enabled, lyric text will stick out into the margin. Further the notes on the first and subsequent lines do not align properly. See #683.

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v4.0.0

UPGRADE

4.0

Font changes

GregorioTeX and fontspec

Command Name Systemization

Barred letters

.gtex extension

Custom spacings

Euouae blocks

Horizontal episema improvements

Choral sign dimension renames

Styling score elements

Centering scheme

Annotations

The Annotation Header

Variable Height Line Spacing

MetaPost brace rendering

Keyword argument for `\grecreatedim` and `\grechangedim`

Liquescence on bistropha and tristropha

Empty first syllable hyphen

gabc-version header

CHANGELOG

[4.0.0] - 2015-12-08

Fixed

Changed

Added

Deprecated

Removed

Known Bugs

v4.0.0

UPGRADE

4.0

Font changes

GregorioTeX and fontspec

Command Name Systemization

Barred letters

.gtex extension

Custom spacings

Euouae blocks

Horizontal episema improvements

Choral sign dimension renames

Styling score elements

Centering scheme

Annotations

The Annotation Header

Variable Height Line Spacing

MetaPost brace rendering

Keyword argument for \grecreatedim and \grechangedim

Liquescence on bistropha and tristropha

Empty first syllable hyphen

gabc-version header

CHANGELOG

[4.0.0] - 2015-12-08

Fixed

Changed

Added

Deprecated

Removed

Known Bugs

Keyword argument for `\grecreatedim` and `\grechangedim`