The gregorio from gregorio-project

Update each line's vertical spacing

Apparently the Solesmes scores only move the lyric text down only on lines where the a low element (note a', a, b', or b) is present. Currently gregorio moves the lyrics down for the whole score when this happens. A user would like to be able to imitate the Solesmes behavior.

This will probably require making two passes per line. The first to figure out what the lowest note on the line is, the second to actually set the lines. Perhaps the first pass populates two boxes (one for staff and neumes, the other for text), then the second can simply place them on the page. However, there might be alignment issues in this approach.

Deprecation in configure.ac

When I'm getting the following warning when running autoreconf on my machine:

configure.ac:25: warning: The 'AM_PROG_MKDIR_P' macro is deprecated, and its use is discouraged.
configure.ac:25: You should use the Autoconf-provided 'AC_PROG_MKDIR_P' macro instead,
configure.ac:25: and use '$(MKDIR_P)' instead of '$(mkdir_p)'in your Makefile.am files.

I don't know much about this sort of thing, though, so I'm not sure what to do with it without doing some research.

Set lines above initial in the gabc file.

The gabc file should be able to set the two lines above the initial.

I have been looking into adding this feature. Currently there can be two annotation: : fields in the gabc header but they are associated with voice_info. Rather than hijack these, perhaps rename mode: ; to modelineone: ; and add modelinetwo: ; For \gresetfirstlineaboveinitial and \gresetsecondlineaboveinitial respectively.

What is the intended/future use for annotation: ;?

"Hungarian Gregorian"

This came up on the Lilypond mailing list and reminded me of something on our old task list.

A user over there wanted to create something that is sort of a hybrid between gregorian notation and modern notation. It uses a five line staff, modern clefs, and round note heads, but links those note heads together like square notation notes. If we ever get to the point where we're working on adding a 5-line staff, then we might also want to look at creating a font which would allow this sort of thing to work.

Anyway, it's not something that I'm in any position to work on, nor do I think it's in any way critical (as this isn't, technically, gregorian notation) but I thought I'd post the idea here to create a record of it.

first syllable alignment when vowel after initial

The alignment of first syllable text/neume should be improved when it contains a vowel

Currently, the alignment is made on the first letter after the the first one (which is the initial), in all cases (as was asked at the creation of Gregorio). The following behavior should be implemented:

when there is no vowel after the first letter (which is the initial), keep current behavior (alignment on first letter after the initial)
if there is a vowel in the letters after the first, align as if it was a regular syllable (ex: initial C, other letters hri, in this case the alignment is on the i)

horizontal episemus length is too large

Even though it has been already significantly reduced, horizontal episemi are larger than the notes under them, while in most books, they are noticeably shorter... I should reduce that, please comment if you think I shouldn't!

<nlba> causes =0 at end of score

Buliding gregorio from commit 6df3abf

Gregorio runs fine. (ant.gabc ---> ant.tex produces no errors.)
Running lualatex on the project.tex produces the following errors:

! Missing number, treated as zero.
<to be read again> 
\relax 
l.219 \endgregorioscore
                      %
?
! Missing = inserted for \ifnum.
<to be read again> 
\relax 
l.219 \endgregorioscore
                      %
?
! Missing number, treated as zero.
<to be read again> 
\relax 
l.219 \endgregorioscore
                      %
?
! Extra \else.
\greendnlbarea ...lax \xdef \grenlbstate {0}\else 
                                                  \ifcase \grenlbstate \xdef...
l.219 \endgregorioscore

Continuing at each prompt ? works but the resulting score has an =0 in the text line following the final double bar (::). Removing the <nlba> from ant.gabc fixes the issue.

Problem with gregorio and multiline scores

When I try to compile this score using lualatex --shell-escape --interaction=nonstopmode mwe.tex, it fails. See output below.

score.gabc

%%
(c4) Line(c) One(d) (z) Line(c) Two(d)

mwe.tex

\documentclass[11pt]{article}
\usepackage{luatextra}
\usepackage{graphicx}
\usepackage{gregoriotex}
\usepackage[utf8]{luainputenc}
\usepackage{times}
\begin{document}
\includescore{score}
\end{document}

output

This is LuaTeX, Version beta-0.70.1-2014113017
\write18 enabled.
(./mwe.tex
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LuaTeX adaptation of babel <v3.8m-luatex-1.5> and hyphenation patterns for engl
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LaTeX Font Warning: Font shape EU2/ptm/m/n' undefined (Font) usingEU2/lmr/m/n' instead on input line 7.

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Module gregoriotex info: compiling the score score.gabc...
(./score-20150220.gtex(load: /home/inxi/.texlive/texmf-var/luatex-cache/generic
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Module luatexbase-mcb info: inserting 'gregoriotex.callback'
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LaTeX Font Warning: Some font shapes were not available, defaults substituted.

)
(see the transcript file for additional information)
2947 words of node memory still in use:
74 hlist, 14 vlist, 53 rule, 125 glue, 54 kern, 27 glyph, 85 attribute, 132
glue_spec, 43 attribute_list, 1 write, 1 local_par nodes
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Output written on mwe.pdf (1 page, 9342 bytes).
Transcript written on mwe.log.

\includescore leaves behind outdated gtex files.

Since #58 \includescore now automaticlly generates gtex file if necessary. This behavior now causes old outdated gtex files (with the wrong gregoriotex API version) to remain behind in the filesystem. Those files should be cleaned up.

Need to keep in mind that not all scores are in the same dir as the main.tex file. Also accommodate / or \ for filepaths. os.remove does not accept globs and os.command('rm') is not portable to Windows.

This may be of help here.

writemode and setfirstannotation conflict

If the user manually indicates an annotation in their TeX file, \writemode should not overwrite it with the mode from the gabc file. This could be accomplished by having \writemode check to see if there are contents in the box containing the first annotation before entering the mode (and refraining from doing so if there is some thing there), or by having \setfirstannotaion change a flag which controls whether \writemode does anything. In the latter case the flag would need to be reset at the end of the score (to allow for multiple score inclusions).

option for clivis stem length

Gregorio has a different output from Solesmes when it comes to clivis stem length. Solesmes has is the same height as interval. Some users are asking to have an option to get the same result.

forced low episemus under several notes doesn't work right

When wanting a horizontal episemus under the two notes of (fh>), trying (f_0h>_0) or (fh>__0) does not give the expected result, which seems impossible to get.

see

Overlapping letters and hyphenation

Compile this with lualatex --shell-escape --halt-on-error mwe2.tex

mwe2.tex

\documentclass[11pt]{article}
\usepackage{luatextra}
\usepackage{graphicx}
\usepackage{gregoriotex}
\usepackage[utf8]{luainputenc}
\usepackage{times}
\begin{document}
\includescore{mwe2}
\end{document}

mwe2.gabc

%%
(c4) Test(c) (:) as(g)sis(gh)tance.(h.) (:) temp(c)ta(de)tion.(d.) (::)

Missing torculus resupinus flexus

Here are some samples from the dominican Graduale: in these, the first interval is 1 or 2. In the last one, the first interval is 1 but the last note is a liquescence.

enhanced parsing of liquescences

gabc gwhi> should be the same as gwh!i>

Undefined control sequence

Compile this with lualatex --shell-escape --halt-on-error mwe.tex

mwe.tex

\documentclass[11pt]{article}
\usepackage{luatextra}
\usepackage{graphicx}
\usepackage{gregoriotex}
\usepackage[utf8]{luainputenc}
\usepackage{times}
\begin{document}
\includescore{mwe}
\end{document}

mwe.gabc

%%
(f3) Mom(kj) mom(d) mom(gig) (,) mom(j) mom(ded) mom(i) mom(c)mom(d)mom.(e_) (:)
Mom,(iv/ivGE) (,) mom(fgh)mom(d) (,) mom(i) mom(ivHF) mom.(jkj___) (::)

mwe.log

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24 fonts using 1958575 bytes
55i,3n,37p,610b,85s stack positions out of 5000i,500n,10000p,200000b,50000s
! ==> Fatal error occurred, no output PDF file produced!

Vertical episemus on low notes ignored in vertical spacing

When a score has a low note of a' or b' the presence of the episemus is ignored when determining the spacing between the notes and the text. This leads to the text overlapping with the episemus.

The problem appears to be in the first argument choices that Gregorio makes for \grefirstlinebottomspace. They should be:
0. note on first line or higher

note below first line (c)
note on 0th line (b) or note below first line with vertical episemus (c')
note below 0th line (a) or note on 0th line with vertical episemus (b')
note below 0th line with vertical episemus (a')

Cases appear to currently be:
0. note on first line or higher

note below first line (c)
note on 0th line (b) or note below first line with vertical episemus (c')
note below 0th line (a)

For consistency, case 1 should also be selected for note on first line with vertical episemus (d'), but my testing indicates that there is no spacing issue there right now.

in gabc, `fgwh` should be the same as `f!gwh`

All is in the title. This feature simply requires too many changes to have a reasonable gain/cost ratio, but just in case anyone is interested...

Documentation on macros callable by the user.

There is a lack of good documentation on macros that the user can call in his main TeX file. I am aware of the list here: http://home.gna.org/gregorio/gregoriotex/details but it is out of date.

It would be helpful to have a list of macros. A simple item/definition list in plain text or markdown would possibily suffice. I am willing to work on this.

Euouae block features

Euouae blocks have several features that can be different from other parts of the score. Among which:

no line breaking
different spacing

There should be a <euouae> (or <eu>?) markup in gabc so that these can be automated without ugly TeX inside gabc. Or maybe gregorio should detect it automatically? Would be feasible.

Gregorio should also not break line before the last syllable before the Euouae, and keep the main score and the euouae block on the same page.

contrib/gregorio-scribus.lua should pass the [f] optional parameter to \includescore

The gregorio-scribus.lua script takes care of compiling the gabc and doesn't work with the new behavior of the \includescore command.

Undefined control sequence on bistropha

Run with lualatex --shell-escape --halt-on-error mwe.tex

mwe.tex

\documentclass[11pt]{article}
\usepackage{luatextra}
\usepackage{graphicx}
\usepackage{gregoriotex}
\usepackage[utf8]{luainputenc}
\usepackage{times}
\begin{document}
\includescore{mwe}
\end{document}

mwe.gabc

%%
(c4) test(fss<)

mwe.log

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