Features you cannot find in the doco as working, should be mentioned here.
+
This is an assorted collection of stuff that will be done, might be
done, or is an idea that I want to think about
Most of the items are marked in the code as well, with full explanation.
-grep for TODO and ugh/ugr
+grep for TODO and ugh/ugr/urg
+
- * pushgroup/popgroup
+BUGS:
- * strict separation between visual and auditive processing.
+
+ * add new glyphs to font.ly
- * fix depcy/dept stuff in eg. Beam.
+ * formatting of input stuff.
- * whole head on ledger line
+ * \notes{ a \< b \cr } vs \notes{ a \< b \! }
- * piano staff
+ * if possible, it might be nice for a warning to appear if someone does
+ \translator with no name and without assigning it to an
+ identifier.
+
+ * space after bars?
+
+ * [/3 c8 c16 c c c]/1
+
+ * fix singleStaffBracket
+
+ * repeat bars: need distance after ":|" and before "|:"
+
+ * The time signature warnings still remain, will be fixed later.
- * decent spacing
+ Summary of minor spelling irregularities:
+ - capitalization/use of underscores in property names
+
+ * fix Score.skipBars
+
+ * repeat bars: need distance after ":|" and before "|:"
+
+ * \shape 1st dim skipped?
+
+ * fix marks/barnumbers/marginal notes
+
+ * broken scripts:
+ lbheel = \script { "bheel" 0 0 -1 0 0 }
+ rbheel = \script { "bheel" 0 0 1 0 0 }
+ lbtoe = \script { "btoe" 0 0 -1 0 0 }
+ rbtoe = \script { "btoe" 0 0 1 0 0 }
+ lfheel = \script { "fheel" 0 0 -1 0 0 }
+ rfheel = \script { "fheel" 0 0 1 0 0 }
+ lftoe = \script { "ftoe" 0 0 -1 0 0 }
+ rftoe = \script { "ftoe" 0 0 1 0 0 }
+
+ and also
- * implement better breaking algorithm
+ portato= \script { "portato" 0 -1 0 1 0 }
+
+ * Align_element::padding ?
+
+ * uniformise property names.
+
+ * ydirection <-> yDirection
+
+ * typo checks on property names?
+
+ * make engraver hacking robust.
+
+ * use streambufs and iostream
+ to provide IO handling for TeX stream, mudela stream, data-file.
+
+ * seriously buffer TeX output (do profile of writing .5 mb TeX file.)
+
+ * strip EXEs before installing
+
+ * zip target for binary windows dist (JBR)
+
+ * text continuations
+
+ * revise documentation
+
+ * abbrev -> tremolo
+
+ * junking \skip req in lyrics
+
+ * Language:
+ - \type -> \context ?
+ - \translator -> ?
+ - fix \partial
+ - \bla {} vs \bla ;
+ - mix engraver hacking with music ?
+ - \once\property KEY = VAL
+ - \addtranslator, \removetranslator
+ - junk ^ and _ for scripts
+ - junk _ for lyrics.
+ - abstract grammar.
+
+ * install TeX stuff into tex/generic directory.
+
+ * percussion note heads
+
+ * mi2mu empty staffs.
+
+ * include MIDI list
+
+ * make GNU style webpages.
+
+ * midi_instrument -> midiInstrument
+
+ * horizontal centering of dynamics
+
+ * \font\fontA=feta20.afm (.afm?)
+
+ * gzip RH manpage
+
+ * stable make/config stuff
+
+ * stemup/stemdown; see test/updown.fly
+ - check examples; add \type Staff hither and thether
+
+ * $DEPENDENCIES_OUTPUT support
+
+ * use a fake-yodl.sh to mimick yodl when yodl is not installed
+
+ * fix BUGs
+
+ * fix weird behaviour when .AFMs not found.
+
+ * Xdvi zooming ?!
+ gs: Error: /undefined in draw_beam
+ gs: Operand stack:
+
+ * run texhash after installing .tex
+
+ * fix vertical alignment and stafflines
+
+ * GrandStaff needs more work -- I want a single word
+ `harpsichord' to the left of the grandstaff, not one on each
+ stave. (Organ staff -- with separate pedal -- but common
+ properties may be something to think about. Of course for
+ organ you want to be able to give stop indications on the way
+ through, so the \property Voice.Instrument would be a stop,
+ and \property GrandStaff.instrument would be PipeOrgan...)
+
+ * make Tie_req a "command" { <c g> ~ <c g> }
+
+ * bib ep1988
+
+ * revise the Score_priority_align_engraver concept. It sucks.
- * update 20 pt table
+ * ly2xdvi, ly2ps
+
+ * make new VoiceOne, VoiceTwo, VoiceThree contexts with
+ydirection and hshift preset
+
+ * *.yo: fix pod manpage layout legacy
+
+ * text-items clash with stems/beams
+
+ * --include, -I option for ly2dvi (pass on to lily)
+
+ * fix placement of beam-less abbrev
+
+ * \meter 3/4;
+ <{\voiceone cis4. cis8 cis4 | cis4 cis cis | r1 }
+ {\voicetwo cis,4 r r | r2. | r1 }> |
+ }
+
+ * try to use template<Type> iso MACRO(Type)
+
+ - NEWS: ... Musical_pitch (analogous to Duration and Rhythmic_req)
+ think about, analogous to pitch:
+ * { a4 a16 } c <-- duration of c?
+ * <a4 b8> c <-- duration of c?
+
+ * \tempo 4. = 90;
+
+ * fix audio-items (don't use (input) requests, but copy data)
+
+ * junk My_lily_parser::abbrev_beam_type_i_
+
+ * make sure all ex's have a mudela-version
+
+ * do rest-collisions for Multi_measure_rests as well.
+
+ * split error/warning in error/warning/non_fatal_error
+
+ * add a Duration_convert member to Duration_iter to set parameters.
+ Junk global duration settings.
+
+ * deps for ly2dvi
+
+ * clean up abbrev/plet/beam/abbrevbeam/duration mess in parser.
+
+ * minimum length second part broken tie
+
+ * en-,discouraged linebreaking:
+ - handle DISALLOW < penalty > FORCE
+ - discourage breaking of slurs
+
+ * multibar rest
+ - symbol(s)
+
+ * fix variable define/lookup parser global<->paper
+
+ * fix title/instrument placements; see input/test/title.ly
+
+ * <\voiceone c4. \voicetwo c4>
+
+ * add full cello suites to web site (kom op, Maarten!)
+
+ * Rethink Time_description
+ * \cadenza , \meter, \grouping should all be \properties
+
+ * rename
+ - plet -> tuplet
+ - measure -> bar
+ - abbreviation-beam -> (measured/unmeasured) tremolo
+ - partial -> anacrouse
+
+ * shared lib
+
+ * robustify Beam (in case of no stems, 32nd notes)
+
+ * decentralised spring factory
+
+ * move paper vars into engraver properties
+
+ * check for groff / troff/ nroff et
+
+ * more intelligent file searching
+ - make LilyPond RPM fully relocatable
+
+ * nicen examples:
+ - break-up heavily-nested score blocks
+
+ * disable spaces in TeX stuff
- * use Hungarian throughout code
+ * handle ^C for tmp/file creation.
+
+ * dots & rest collisions.
+
+ * documentation
+ - introduction?
+ - info?
+ - LaTeX?
+ - more manpages?
+
+ * versioning for Feta
+
+ * the warning about the negative slur/tie length appears twice
+ which is irritating.
+
+ * The `3' in the meter key is a one or two pixels too thin (at 600dpi)
+ in the middle:
+
+ * the bracket is ugly (wings are too parabolic, should be more circular)
+
+ * better hshift (dots, distance, head dependent)
+
+ * clefs (AG): The "8" should appear closer to the actual clef,
+ touching it.
+
+ * put errorlevel in Input class
+
+ * junk nesting slurs
+
+ * integrate midi-elts from mi2mu and lily?
+
+ * cautionary accidental
+
+ * score-bar-scripts
+ FMR: Free memory read:
+ * This is occurring while in:
+ Bar_column::do_substitute_dependency(Score_element*,Score_element*) [bar
+ -column.cc:29]
+ Score_element::unlink() [score-elem.cc:383]
+ Paper_score::set_breaking(const Array<Column_x_positions>&) [p-score.cc:
+ 150]
+ Paper_score::calc_breaking() [p-score.cc:189]
+ Paper_score::process() [p-score.cc:203]
+ Score::run_translator(Music_output_def*) [score.cc:117]
+ * Reading 4 bytes from 0x65d3a0 in the heap.
+ * Address 0x65d3a0 is 160 bytes into a freed block at 0x65d300 of 208 bytes.
+ * This block was allocated from:
+ malloc [rtlib.o]
+ __builtin_new [libgcc.a]
+ Span_score_bar::clone()const [span-score-bar.hh:20]
+ Item::copy_breakable_items() [item.cc:69]
+ Item::do_breakable_col_processing() [item.cc:89]
+ Score_element::calcalute_dependencies(int,int,void(Score_element::*)()*)
+ [score-elem.cc:171]
+ * There have been 22 frees since this block was freed from:
+ free [rtlib.o]
+ __builtin_delete [libgcc.a]
+ Span_score_bar::~Span_score_bar() [span-score-bar.hh:18]
+ Paper_score::set_breaking(const Array<Column_x_positions>&) [p-score.cc:
+ 156]
+ Paper_score::calc_breaking() [p-score.cc:189]
+ Paper_score::process() [p-score.cc:203]
+ Postprocessing elements...
+ TeX output to score-bar-scripts.tex...
+
+
+3RD PARTY BUGS:
+
+ * redhat (v?) graphical install bomb-out?
- * decent TeX page layout
+ * GNU diff 2.7: diff -rN does not see a new directory with empty file
- * enter script priority
+ * GNU patch 2.1: <must find simple example> if patch chokes on a
+ hunk, or on allegedly unsorted hunks in a diff, it may stop
+ without a trace of failure (create .rej file, print error or
+ dump core) and just ignore any further diffs.
- * a Hands on tutorial [HKN]
+ * glibc 2.0:
+
+ f = fopen ("/dev/null", "r")
+ assert (feof (f))
+
+3RD PARTY PROJECTS:
+
+ * GNU indent: handle C++
+
+ * GNU patch
+ - 'double-fix' mode: ignore identical fix, rather than suggest
+ to revert patch direction when (more or less? exactly) the same
+ thing is fixed
PROJECTS
- * accidentals per Voice_group
+ * Scripts:
+ - fix position of bar number
+ - stack scripts in chords:
+ % fingering: footing:
+ < a-4 c-2 g-1 > < c-\ltoe e-\lheel >
+ - script-spacing
+ - slur parts as a script
+ - stack parameterised scripts for fingering and footing:
+
+ * convert-mudela:
+ - automatically add a \version if not present.
+ - better parsing
+ - make smarter
+ - convert-mudela -e empty.ly
+
+ * emacs mudela-mode
+ - should handle block comments too.
+ - handle lexer modes (\header, \melodic, \lyric) etc.
+ - indentation
+ - notenames?
+ - fontlock: \melodic \melodic
+
+
+ * use properties for:
+ - plet?
+ - Staff_sym size
+ - default tempo.
+ - font size
+ - bartypes (get rid of derived Span_bar_engravers)
+ - cadenza mode?
+
+ * page handling:
+ - PS output
+ - optimal pagebreaking.
+
+ * Unicode support? -> man 7 unicode
+ - 16 bit Strings
+ - -u switch
+ - detect of 16/8 bit files
+ - examples to go with it.
+
+ * Spring_spacer:
+ - write a faster Spring_spacer (without matrices if possible)
+ - use straight LP to find minimal "fitting force"
+ - relate energybound to linelen unitspace fontsize etc.
+ - used fixed point fp
+
+ * \header
+ - output header info to MIDI too.
+
+ * a musical dictionary. See Documentation/vocabulary-*, other
+ languages:
+ - explanations
+ - italian
+ - german
+ - dutch
+ - swedish
+ .. ?
+
+ * chords
+ - guitar chords
+ - chord names
+ - basso continuo
+ - Syntax/parser
+ - MIDI output?
+ - typesetting
+
+ * Debug logs:
+ - derive lily_stream, Dstream, texstream from ostream?
+ - indentable stream as baseclass for TeX stream, lily stream, Dstream.
+ - use dstream feature in mi2mu
+ - integrate IO checking into stream class
+
+ * input converters
+ - NIFF?
+ - ABC?
+ - SMDL?
+
+ * add to MIDI output:
+ - tempo change
+ - ornaments (and trills?)
+ - repeat
+ - slurs
+ - accents
+ - dynamics
+ - account for rhythmic position in measure
+ - etc.
- * Convert all ref/bib stuff into BibTeX.
+ * grace notes
+ - make separate class for Grace_*_engravers
+ (which is at Voice_gravs level)
+ - make encapsulated spacing problems.
+
+ * accidentals per Voice_group
* Output class, handles : (smallish)
- help text /(c) notice?
- quiet/ignore-version options
- logfile output
+ * piano staff
+
* elaborate Staff_side baseclass:
- scripts
- text
- slur start/end
+ * PS
+ - speed up PS code.
+ - PS lines to .eps files
+ - write custom prolog
+
+
* Output an output format independent (ofi) typeset file; and
- make ofi2 TeX, MusixTex, PostScript, Ascii... interpreters. (difficult)
- - poor man's ascii output possible?
- - MusixTeX output possible? (would have to be done before break calc.)
+ make ofi2 TeX, MusiXTex, Display PostScript, PostScript,
+ Ascii... interpreters. (difficult)
+
- NIFF ?
- Common Music Notation
- PostScript output (esp. Beams, Slurs, etc)
- - Move PScore, Items, Spanners etc. into libmutype.a
+ - Move all Score_elems, into libmutype.a
+ - SGML
- * separate Score_elem settings in user-settable (properties
- .. ) and non-user-settable part. Maybe use something like X-resources:
- "Staff=oboe*dir: 0", "Staff=*.Voice_group=solo*dir: 1"
+ * Documentation
+ - Doc (C) stuff of sheet music
+ - a better format? SGML? TeX? Info?
+ - a tutorial
- * TeX spanners , use texbeam.cc as an example (smallish)
+ * more spanners (smallish)
- Glissando
- trill
- - bracket
* Rewrite Stem, Beam and Rhythmic_grouping (hairy)
- [c8. c32 c32]
- - interbeam height
- - doc on Rhythmic_grouping
+ - doc on Rhythmic_grouping
- general shaving on Beam and Stem
- use plet grouping
- - abbreviations [c2 c2]1/2
- separate visual from rhythmic info even more
- beams over bars
-
- * Redo MIDI output to use Translators
- - remember more horizontal info than melodics:
- - tempo change
- - repeat
- - slurs
- - dynamics etc.
+ - endbeam req should be *after* the duration, so you can do
+ < { [c4] }
+ { c8. c16 } >
- * Redo font support
- - use GSharp fonts?
- - rename mf fonts to avoid conflicts with musixtex
- - check (c) issues
- - use own fonts/update musixtex fonts/find older (c)-less fonts
- - hack up mf sources for decent spacing info (and then
- read AFM/TFM directly, for text too)
-
* lines:
- Ledger lines, should be separate item: Ledger_lines, Ledger_lines
- set different line sizes / thicknesses
- - stem down too far right
- beam stem showthrough, inter beam sizes (french vs german style)
* Collisions
- - bring Collision::do_pre_processing to haircutter
- left/right note balls should be handled by Collision:
< \multi 2; { \stem 1; <b c> } { <f as b> } >
* Keys:
- merge key{item} & localkey{item}?
- - do conventional keys (C G A, F B E, a e fis, d as des, etc ),
- besides lists of flats/sharps, possibly via declaration
- - key transposition.
- - key undo: \key bes; .. . \key; should print natural
- - special key: \key 'b bes bis';
+ - Major/Minor
- spacing, national styles?
-PARSER
- * Duration -> Musical_duration, typedef Rational Duration?
-
-HKN buglist:
-
-tekst staat erg ver van notenbalken af
-
-BUGS
-
- * spurious Weird stem size warnings
-
- * fix mysterious Flex malloc bug
+ * Support for TAB
+ - redo Notehead to allow digits as heads
+ - add a \tablature {} lexer mode for easy entering
* should adjust stemlength for flag number.
- * lilypond - -> crash
-
- * standchen triool beam up/down
-
- * (where are the) gcc compile warnings on linux
-
-SEVERELY LACKING:
-
- * SPEED!
-
- * grace notes
-
-
-FURTHER FOR ORCHESTRAL SCORE:
-
- * multibar rests
+ * breaking:
+ - caching breakpoints
+ - saving them
+ - specify number of lines
- * barnumbers, markers
-
- * abbreviations c4=16
+ * markers
INPUTLANGUAGE
* <c f a>4 ?
- * should have \require{package.ly} to read req'd packages.
-
* Viola mode?
@c c g e g
* relative mode for pitch entering
- * bracket (bracketplets)
-
- * \duration 8; e*2/3
+ * bracket: volta 1,2
* configure pitch_byte
- * figured bass?
-
* rest name configurable
- * Raw request syntax
-
- * subtime with Subtle_reqs
+SMALLISH PROJECTS
-PROJECTS
+ * limit memory usage; the full coriolan takes up too much resources.
- * Do RTTI i.s.o. static_name(), name() and request-junk.
+ * fix confusing naming in Engraver vs Engraver_group_engraver (context)
-SMALLISH PROJECTS
+ * progress when creating MIDI elts.
* A range for context errors (eg. mark both { and }. )
* lyric in staff (sharpsharp in staff, text below)
- * fix Egler definitions ( see tex/eglerdefs.tex )
-
- * replace Score_elem member access by get()/set() methods, to enable
- future embedded code.
-
- * --fast/--draft: leave out constraints
+ * half sharps/flats
* write Dynamic_line (to group dynamics horizontally)
- * write Rest_collision
-
- * use Real for y positions.
-
- * shared lib on Solaris too.
-
- * bugreport to doc++ devel: struct not in class hier; public
- virtual baseclasses
-
- * get rid of init_end;
-
- * cleanup lily-proto.hh and proto.hh
+ * use Real for all y positions.
+ - use translate_axis( .. ,Y_AXIS) iso separate variables.
* half-sharps, half-flats
* adaptive accidental spacing.
- * unix style paths for LILYINCLUDE env
-
- * indentable stream as baseclass for TeX stream, lily stream, Dstream.
-
* handle EOF graciously in error messages.
- * caching Item/spanner dimensions.
-
* centered whole rest
- * caching breakpoints / saving them.
-
- * use dstream feature in mi2mu
-
- * qtor, btor, mtor-> tor( QUIET_ver ), tor( DEBUG_ver ), etc.
- - use tors feature in lily (?)
-
- * declare symtab
-
* declare notenametab?
* midi esp.: use I32 iso int where 32 bits are needed (or assumed...)
- * parshape
-
- * read from mmap directly: bugreport to flex developers->
- yy_scan_buffer in C++..
+ * Flower types:
+ - A decent scalar type
+ - String hash
+ - Pointer hash
* binsearch/hash for identifiers
* stafftypes: voice names/ instrument names.
- * Decent TeX titledefs (\tempo, \metron, etc. )
+ * lily \tempo
* C meter iso 4/4, idem for alla breve, etc.
* textspanner: center position
- * script-spacing
-
- * Brackets
-
- * use (char *) iso. String for communication between lexer and
- parser.
-
- * configure idealspacing: arithmetic spacing
-
- * LilyPond .deb. Other packaging methods?
-
- * detect -pipe
-
-DOC
- * Score_elem structure.
-
- * all errors
-
- * config of TeX macros
-
- * a test suite
-
- * hacking-HOWTO
-
-FUTURE
+ * % toe to bheel four to five
+ % ^_u 4_5
+ % -
+ % --|x-- --|x--
+ % --|--- --|---
+ % --|--- --|---
+ (where "to" is a tiny bow)
* auxilliary file for caching info.
- * Reg_configure_request
-
- * slur parts as a script
-
- * mixed fontsizes
-
- * put scripts on bars
-
- * guitar chord
-
- * better beamslope calculation: QLP for beams?
-
* Text_crescendo
* clean solution for staffsize in items.
* volta
IDEAS
- * check out CORBA for Score_elems?
-
- * derive PCol from Score_elem? More in Score_elems? Spacing?
- * scoping in Lexer: do general id- assignments in mudela.
- ID '=' EXPR;
+ * Output data structures of Mudela in XML/SGML.
* create libmudela, or liblily_frontend
* move MIDI stuff (including Quantization) to a ANSI C libmidi library.
- * use an embedded language: Python
+ * use an embedded language: Python, Scheme
for:
- Score_elems
- - Engraver
- Translators
- - Complex mudela?
-
- * y -dims in internote?
- * merge Atom and Symbol?
-
- * merge common code of Item, Atom/Molecule
+ * y -dims in internote? Staff-space? X-dimensions?
* Spacing_request for manually adjusting spacing
* caching breakpoints
- * #c <-> cis
-
* breath marks
* used fixedpoint arithmetic for min. energy.
- * default convert mudela-file.ly -> mudela-file.tex
- - rename {standchen,scsii-menuetto,...}.tex
+ * move towards incremental algorithms.
- * stack scripts in chords:
- % fingering: footing:
- < a-4 c-2 g-1 > < c-\ltoe e-\lheel >
+ * far fetched language ideas
+ - design meta-language like TeX and Metafont
+ - programming/macros input
- * parameterised scripts for fingering and footing:
+ * versioning stuff (cvt mudela, mudela, etc.)
- % toe to bheel four to five
- % ^_u 4_5
- % -
- % --|x-- --|x--
- % --|--- --|---
- % --|--- --|---
- (where "to" is a tiny bow)
+ * Klavarskribo?
- * move towards incremental algorithms.
+ * lyrics in chords still fuck up.
+ * Use hooks/dependency graphs for properties
- * design meta-language like TeX and Metafont