etoys-dev May 2010

etoys-dev@lists.squeakfoundation.org

19 participants
192 discussions

Translation support
by Ricardo Moran 22 Jun '10

22 Jun '10

Hi, I made new versions of po/mo files. These ones have all the english files 100% filled (in almost all the cases the msgstr is the same as the msgid, though). This fixes the problem of sending #translatedInAllDomains for the english locale. Mo files: http://tecnodacta.com.ar/gira/gsoc/locale.zip Po files: http://tecnodacta.com.ar/gira/gsoc/po.zip Cheers. Richo

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Re: [squeakland] Re: the reasons for ranking
by Karl Ramberg 09 Jun '10

09 Jun '10

On 2009-09-30 17:20, Kim Rose wrote: > Hey, John, > > Nice to see you are still around and interested -- hope you are doing > well. Thanks for the comments. > > As for me and Viewpoints -- there is one reason only for ranking and > that is filtering in an attempt to bring the best educational examples > and those illustrative of etoys' strengths to the attention of the > community. So, I, for one, am hoping that those "voting" are not > voting for any particular child, author or person, but for the example > itself -- I hope those voting/ranking are asking "is this a fine > exemplar to help teach a concept, principle, or powerful idea?". The > more the example answers back with a "yes" the higher the rank. Also, > the more complete an example the higher the rank. How disclosing of > what the Etoy is meant to do is in the example? Does it have an > explanation of what it is? If it is a game does it have instruction > on how to play and the goal of the game? A googlish way of ranking is to use links/ references to a projects. If teachers/users could make a group or curriculum of projects on the site, we could rank from the refs to projects. I tried to rank a few project, but it's quite hard to do. There are to many things to consider. I'm not a teacher, so for me to rank appropriateness of a project for a classroom situation is not really realistic Karl > > I hope that teachers who encourage their students to upload projects > will *only* allow sharing if their student provides an "About" flap, > or some intro/explanation of the Etoy and some instruction on where to > start, the aim of the project, etc. The most beautiful simulation of > something will fall completely flat with someone if they have no real > idea of what they are looking at or what the script they are playing > with is meant to do. Etoys are intended to teach and help us learn; > learning cannot occur without context. No author should assume their > project will be self disclosing; it will not. Our users have a > variety of levels of expertise in both Etoys and subject matter areas; > providing more context can only help. > > If there is no "ranking" in place and everything is posted the > offerings soon get overwhelming and most difficult to navigate. We > found this years ago when we had an active "super-swiki". Projects > that were no more than a single sketch with no script at all were > posted and only "muddied the waters" for those wading in an attempt to > find something with some meaningful content. > > I hope the community will bear this in mind when "ranking" what gets > uploaded and understand that not everyone can be represented in a > featured showcase. > -- Kim > > > On Sep 30, 2009, at 7:58 AM, voiklis wrote: > >> Hello all, >> >> I apologize for joining this conversation so late; I am a longtime, >> though recently quiet, member of the community. >> >> I understand that the ranking system is an attempt to enable people >> to judge the quality of a contribution (or contributor) based on some >> directly observable measure of reputation. On first sight, one could >> argue that such a system overcomes the problem that in the >> face-to-face world reputation is not directly observable. In order to >> get an honest assessment of a person's reputation, one has to invest >> a lot of time building trust with the people familiar with that >> person. Even then, a trustworthy assessment requires direct >> observation of the person's actions. >> >> A ranking system would appear to reduce that effort by half; knowing >> the person's reputation among his/her peers, one only needs to assess >> the work. >> >> The problem with that reasoning is that electronic ranking systems >> are highly susceptible to manipulation. Building reputation becomes >> the goal of the activity for many people and they use all sorts of >> seemingly harmless social and technological means to inflate their >> numbers. Our lab has been studying this phenomenon through both >> observational studies of online communities and laboratory >> experiments. The two papers below report on the phenomenon as it >> presents itself in Digg, the news aggregation site. >> >> The first paper demonstrates that a tit-for-tat game of reciprocity >> inflates the reputation of contributors and their contributions >> without reflecting anything substantive about their contributions. >> The second paper really brings out the negative consequences of this >> phenomenon. The paper reports on an experiment where people judged >> how interesting they found the contribution. The ranking values of >> the articles were set by the investigator; sometime the rank of the >> article was set high, at other times low. Experimental subjects rated >> higher-ranked contributions as more interesting than lower ranked >> contributions. The same article was rated as highly interesting when >> its rank was set high and uninteresting when ranked low. Duncan Watts >> (of small-world networks fame) observed the same phenomenon with >> music rating. >> >> What this means in the present discussion is that people will likely >> ignore low ranking contributions. Worse still, when they do actually >> look at those contributions they are likely to see what the ranking >> value led them to expect rather than the qualities of the >> contribution itself. >> >> Unless we can find scientific research that demonstrates any benefits >> to ranking, I think we should be wary of using such systems. >> >> All best, >> >> John >> >> Sadlon, E., Sakamoto, Y., Dever, H. J., & Nickerson, J. V. (2008). >> The karma of Digg: Reciprocity in online social networks. In R. Gopal >> and R. Ramesh (Eds.), Proceedings of the 18th Annual Workshop on >> Information Technologies and Systems. >> http://cog.mgnt.stevens-tech.edu/~yasu/papers/reciprocity.pdf >> >> Sakamoto, Y., Ma, J., & Nickerson, J. V. (2009). 2377 people like >> this article: The influence of others' decisions on yours. In N. >> Taatgen, H. van Rijn, L. Schomaker, and J. Nerbonne (Eds.), >> Proceedings of the 31st Annual Conference of the Cognitive Science >> Society.http://cog.mgnt.stevens-tech.edu/~yasu/papers/cogscidigg1.pdf >> >> Salganik, M. J., Dodds, P. S., and Watts, D. J. (2006). Experimental >> study of inequality and unpredictability in an artificial cultural >> market. Science, 311(5762):854-856. >> http://dx.doi.org/10.1126/science.1121066[/url] >> >> >> >> >> -------------------- m2f -------------------- >> >> (from forum) >> http://squeakland.org/forums/viewtopic.php?p=11554#11554 >> >> -------------------- m2f -------------------- >> _______________________________________________ >> squeakland mailing list >> squeakland(a)squeakland.org >> http://lists.squeakland.org/mailman/listinfo/squeakland > > > Viewpoints Research is a 501(c)(3) nonprofit organization dedicated to > improving "powerful ideas education" for the world's children and > advancing the state of systems research and personal computing. Please > visit us online at www.vpri.org > > > > > > > _______________________________________________ > Squeakland mailing list > Squeakland(a)squeakland.org > http://lists.squeakland.org/mailman/listinfo/squeakland >

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etoys-dev meet today at 19:00 GMT on #etoys
by Timothy Falconer 09 Jun '10

09 Jun '10

Hi everyone, As before, we'll be having a software meet on the IRC freenode channel #etoys at 19:00 GMT (3pm ET, 12 PT). You can also attend by clicking "chat" on squeakland.org. It might be helpful to watch the two preview videos here: http://squeakland.org/resources/audioVisual/ Also, have a look at the current Etoys 4 roadmap: http://tracker.squeakland.org/browse/SQ?report=com.atlassian.jira.plugin.sy… Take care, Tim

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Etoys developer chat log
by Bert Freudenberg 02 Jun '10

02 Jun '10

Hi all, we just had a chat, few people around today (it's a holiday in the US): * Ricardo prefers the September release schedule * talked mostly about camera and movies * need replacement for the spam-ridden forums. help welcome. Full log below, as usual. And see you next Monday, same time: http://tinyurl.com/368xxgn - Bert - <Richo2> hi <Richo2> :) <bertf> ugh, I'm late -*- bertf apoligizes <bertf> apologizes, even ;) <bertf> hi Richo2 <Richo2> hi bert <bertf> anyone else here? <rockyBoland> I am <Richo2> hi rockyBoland <rockyBoland> hi <bertf> small group :) <bertf> Richo2: translation stuff is starting to look good :) <bertf> do you have an opinion abou the release schedule? <Richo2> thanks <Richo2> yes <Richo2> I think I prefer the second option <Richo2> just yesterday I added Andreas code <Richo2> for font support <bertf> Yes, saw that. <Richo2> and even though his code works fine, I'm worried of introducing a lot of new bugs <Richo2> having more time to found them and fix them is good <bertf> yes. we first need to switch over to using that code and then give it some time for testing <jecel> Would it be interesting to have the translation stuff in the basic Squeak? It would be nice if the GUI elements such as menus and buttons could be in local languages <bertf> Korakurider is working on getting the subversion repo into shape <bertf> jecel: definitely <bertf> I also tried http://www.squeaksource.com/WebCamMorph.html <bertf> copied the CameraPlugin from Scratch, works <bertf> (on Mac) <bertf> should work elsewhere too <bertf> rockyBoland: do you have some specific issue, or do you just want to listen in? <rockyBoland> mostly just listening in. I am considering using etoys to build a game for teaching GCD and LCM algorithms. --> matmo (~chatzilla(a)doconnel.force9.co.uk) has joined #etoys <matmo> hi all <Richo2> hi <bertf> ah, matmo <bertf> was just saying I tried WebCamMorph on Mac, works <matmo> great :-) <bertf> was surprised it drags in the plugin class. we don't use MC dependencies normally <bertf> and we do not have VM classes in the Etoys image <bertf> no VMMaker either <bertf> there is a bug when you rotate it <matmo> dependency removed <bertf> and duplicating it gives odd issues too :) <matmo> I had not thought of rotation or duplication yet but will check it out <bertf> maybe for easier testing we should make a project with the code? <bertf> we have some testers that are not familiar with Smalltalk tools <matmo> what issues have you got with duplication? <bertf> when closing one it stopped the other IIRC <bertf> I don't think we need to support duplicating it <matmo> projects, yes, there should be a some in a few days time (if squeakland upload works) <bertf> I thought the problems are specific to thomas' account <bertf> or do you have problems uploading too? --> karlram (~51aa9a20(a)skylab.immuexa.com) has joined #etoys <matmo> IIRC I tried an upload last week and failed (will check again). Also had problems saving. Will submit reports when I've had a chance to recheck it's not something I have done or doing. <bertf> karlram: hi <karlram> hi <matmo> hi <karlram> hi <matmo> the "movie" morph doesn't look like it has had much looove :-) <bertf> matmo: when more people have seen it maybe we can come up with a sensible list of tiles for it. <bertf> for now it seems you just threw everythin in ;) <bertf> the movie morph is one of the abandoned demos <matmo> sure. I've actually paired it down but any/all suggestions welcome <bertf> not much love indeed <bertf> well there are some unusual concepts, like the holder reference for storing frames <bertf> (in webcammorph) <matmo> what would you call storage for snapshots? <matmo> album <matmo> album? <karlram> there is also a internal video format <bertf> matmo: if possible, that should not be built-in <bertf> but rather you would write a script that gets a frame and puts it in a holder <bertf> that would be the "Etoys way" <bertf> though the idea of using moviemorph to hold frames might be interesting <matmo> I was thinking "convenience" and in that particular example taking multiple snapshots as fast as capturing <karlram> it would be nice if we could get project publishing work with videos <bertf> well, Etoys isn't really about "convenience", but about learning how stuff works ;) <matmo> the "manual mode" gives the script writer full control <bertf> yes. I think for a first iteration, that is all there should be <bertf> becasue it is impossible to remove features later <matmo> agree, I completely open to suggestions re use in learning context. I'm not in education so happily defer to others opinion <bertf> once we know how people would like to use it we can add convenience features, as needed <matmo> ok, so remove auto-capture? <bertf> well, hide at least <bertf> there are some tiles that are hidden in "etoy-friendly" mode <bertf> but if you are okay with removing it, that would be a good option for now too <bertf> makes code review simpler <matmo> ok, I'll take a look <bertf> do you have an idea about how to deal with the old cameramorph? <bertf> karlram: publishing movies doesn't work? <-- karlram (~51aa9a20(a)skylab.immuexa.com) has quit (Quit: CGI:IRC (EOF)) <bertf> oh. we lost karl <matmo> re camermorph, would it siffice to remove it from Objects tool? <bertf> Richo2: did you have anything else to chat about? <matmo> suffice <bertf> matmo: that's one option <rockyBoland> This chat room is obviously about etoys development. Is there a chat room or mailing list for etoys users? <bertf> it could also be rewritten to use CameraPlugin <Richo2> bertf: no, thanks <bertf> rockyBoland: not really <matmo> rewriting, yep, I planned to look at doing that <bertf> rockyBoland: most etoys users apparentyl don't liek chat rooms :) <matmo> many things, little time ;-) <bertf> it would allow older projects to work, if those should exist <rockyBoland> What about for people who want to develop projects using etoys? <matmo> ok, I will bump it up the list <bertf> rockyBoland: those are what I call "etoys users" <jecel> rockyBoland: this is a weekly developers meeting. The rest of the time this channel is very quiet and can certainly be used for general user questions <bertf> rockyBoland: but the better option is to write an email to the squeakland list <rockyBoland> Will do that. Sorry for interrupting your meeting. <bertf> no need to apoligize :) -*- bertf can't spell that word <jecel> Besides the list, there were also some online forums, right? I don't know how those are doing these days <bertf> attracting spam <bertf> we're considering to shut them down <bertf> replacing with google groups or yahoo groups or something like that <jecel> Ok, then the list is certainly the best place for users <bertf> needs to have a list gateway and forum view and spam protection <matmo> trying an upload to squeakland in a mo <bertf> ok <bertf> I'll call this meeting closed - everyone is welcome to stay around and chat of course. <bertf> the channel is open 24/7 :)

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Etoys: Sound-kfr.4.mcz
by commits＠source.squeak.org 31 May '10

31 May '10

Karl Ramberg uploaded a new version of Sound to project Etoys: http://source.squeak.org/etoys/Sound-kfr.4.mcz ==================== Summary ==================== Name: Sound-kfr.4 Author: kfr Time: 31 May 2010, 11:36:28 pm UUID: 5dfde486-cdbd-ef4c-b43a-211c6015c44d Ancestors: Sound-kfr.3 Bug fix in SoundLibraryMorph>>soundName =============== Diff against Sound-kfr.3 =============== Item was changed: ----- Method: SoundLibraryTool>>soundName (in category 'accessing') ----- soundName + soundIndex = 0 ifTrue:[^self]. ^ (listBox getListRow: soundIndex) first!

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Etoys: Sound-kfr.3.mcz
by commits＠source.squeak.org 31 May '10

31 May '10

Karl Ramberg uploaded a new version of Sound to project Etoys: http://source.squeak.org/etoys/Sound-kfr.3.mcz ==================== Summary ==================== Name: Sound-kfr.3 Author: kfr Time: 31 May 2010, 11:31:54 pm UUID: 993ec98f-6ab6-7f4d-81aa-2759ae21de86 Ancestors: Sound-kfr.2 Added possibility to compress sounds in the SoundLibrary. Menu option to show compression format of sounds in library. =============== Diff against Sound-kfr.2 =============== Item was changed: ----- Method: SoundLibraryTool>>handMeATile (in category 'menu') ----- handMeATile + | tile | - | tile name | soundIndex = 0 ifTrue:[^nil]. + tile _ SoundTile new literal: self soundName. - name _ (listBox getList at: soundIndex ). - tile _ SoundTile new literal: name. tile bounds: tile fullBounds. tile openInHand! Item was added: + ----- Method: SoundLibraryTool>>soundName (in category 'accessing') ----- + soundName + ^ (listBox getListRow: soundIndex) first! Item was changed: ----- Method: SoundLibraryTool>>initialize (in category 'initialization') ----- initialize "initialize the state of the receiver" super initialize. + showCompression _ false. self hResizing: #shrinkWrap; vResizing: #shrinkWrap. self cellPositioning: #topLeft. self listDirection: #topToBottom. self borderWidth: 2; borderColor: Color black. self addHeaderRow. self addButtonRow. soundIndex := 1. self addSoundList. self soundIndex: 1. self on: #mouseEnter send: #verifyContents to: listBox! Item was changed: ----- Method: SoundLibraryTool>>renameSound (in category 'menu') ----- renameSound "Rename the selected sound, if appropriate." | name newName | + name := self soundName. soundIndex = 0 ifTrue: [^ self inform: 'No sound selected' translated]. - name := listBox getList at: soundIndex. (SampledSound universalSoundKeys includes: name) ifTrue: [^ self inform: 'You can not rename this sound' translated]. newName := FillInTheBlank request: 'New name for ' translated, name initialAnswer: name. (newName isEmptyOrNil or: [newName = name]) ifTrue: [^ self]. (SampledSound soundLibrary includesKey: newName) ifTrue: [^ self inform: 'sorry, that name is already used.' translated]. ScriptingSystem renameSound: name newName: newName. listBox updateList. self soundIndex: (listBox getList indexOf: newName)! Item was added: + ----- Method: SoundLibraryTool>>toggleShowCompression (in category 'menu') ----- + toggleShowCompression + showCompression _ showCompression not. + self listing.! Item was added: + ----- Method: SoundLibraryTool>>showCompression (in category 'menu') ----- + showCompression + ^showCompression! Item was changed: ----- Method: SoundLibraryTool>>soundIndex: (in category 'accessing') ----- soundIndex: aInteger + "Set the soundIndex to the given integer." - "Set the sound index to the given integer." + | | - | name | soundIndex := aInteger. soundIndex = 0 ifFalse: + [ + currentSound := SampledSound soundNamed: self soundName] - [name := (listBox getList at: soundIndex ). - currentSound := SampledSound soundNamed: name] ifTrue: [currentSound := nil]. self changed: #soundIndex.! Item was added: + ----- Method: SoundLibraryTool>>compressWith: (in category 'menu') ----- + compressWith: aCodec + "Compress the sound." + | newSound name writer | + soundIndex = 0 + ifTrue: [^ self inform: 'No sound selected' translated]. + + (SampledSound universalSoundKeys includes: self soundName) + ifTrue: [^ self inform: 'You can not compress this sound' translated]. + newSound := currentSound compressWith: aCodec. + writer := ByteArray new writeStream. + newSound channels + do: [:channel | writer nextPutAll: channel]. + name := self soundName. + SampledSound removeSoundNamed: self soundName. + SampledSound + addLibrarySoundNamed: name + bytes: writer contents + codecSignature: newSound codecSignature. + currentSound := SampledSound soundNamed: name! Item was changed: ----- Method: SoundLibraryTool>>deleteSound (in category 'menu') ----- deleteSound "Delete the selected sound, if appropriate." + - | name | soundIndex = 0 ifTrue: [^ self inform: 'No sound selected' translated]. + currentSound pause. + (SampledSound universalSoundKeys includes: self soundName) + ifTrue: [^self inform: 'You can not delete this sound' translated] + ifFalse: [ScriptingSystem removeFromSoundLibrary: self soundName]. - name := listBox getList at: soundIndex. - (SampledSound universalSoundKeys includes: name) - ifTrue: [self inform: 'You can not delete this sound' translated] - ifFalse: [ScriptingSystem removeFromSoundLibrary: name]. self soundIndex: 0. listBox updateList! Item was added: + ----- Method: SoundLibraryTool>>listing (in category 'initialization') ----- + listing + | list newList format soundData selectorList formatList | + list := SampledSound soundLibrary keys asSortedArray. + selectorList := OrderedCollection new. + formatList _ OrderedCollection new. + list + do: [:each | + soundData := (SampledSound soundLibrary at: each) second. + soundData isNumber + ifTrue: [format := 'uncompressed'] + ifFalse: [(soundData includesSubString: 'Vorbis') + ifTrue: [format := 'Vorbis'] + ifFalse: [(soundData includesSubString: 'Speex') + ifTrue: [format := 'Speex'] + ifFalse: [(soundData includesSubString: 'GSM') + ifTrue: [format := 'GSM']]]]. + selectorList add: each. + formatList add: format]. + newList _ OrderedCollection new. + newList add: selectorList asArray. + showCompression + ifTrue:[newList add: formatList asArray] + ifFalse:[newList add: (Array new: (formatList size) withAll:' ')]. + ^newList! Item was changed: AlignmentMorph subclass: #SoundLibraryTool + instanceVariableNames: 'listBox button soundIndex currentSound showCompression' - instanceVariableNames: 'listBox button soundIndex currentSound' classVariableNames: '' poolDictionaries: '' category: 'Sound-Interface'! !SoundLibraryTool commentStamp: 'sw 10/20/2007 01:54' prior: 0! A tool for browsing and managing the sound library. Offers a self-updating, scrolling list of all the sounds in the library. Has a row of buttons to initiate various functions on the selected sound; the buttons are: Play Play the selected sound Stop Stop playing selected sound (if it is playing) Tile Hand the user a tile for the selected sound. Rename Rename the selected sound. Delete Delete the selected sound from the ibrary Load Load a sound into the sound library from a file. Additionally, a wave-editor can be invoked via an item in the tool's halo menu. The Sound Library tool can be launched from the Objects catalog, and also from the authoring-tools menu! Item was changed: ----- Method: SoundLibraryTool>>addSoundList (in category 'initialization') ----- addSoundList "Add the sounds list to the tool." + listBox _ PluggableMultiColumnListMorph - listBox _ PluggableListMorph on: self + list: #listing - list: #soundList selected: #soundIndex changeSelected: #soundIndex:. listBox hResizing: #spaceFill. listBox hideMenuButton. listBox height: 240. listBox font: Preferences standardEToysFont. self addMorphBack: listBox! Item was changed: ----- Method: SoundLibraryTool>>addCustomMenuItems:hand: (in category 'menu') ----- addCustomMenuItems: aMenu hand: aHand "Add custom menu items to a menu" super addCustomMenuItems: aMenu hand: aHand. + aMenu addUpdating: #showCompressionString target: self action: #toggleShowCompression. + aMenu add: 'GSM compress sound' translated target: self selector: #compressWith: argument: GSMCodec. + aMenu add: 'Ogg Vorbis compress sound' translated target: self selector: #compressWith: argument: OggVorbisCodec. + aMenu add: 'Ogg Speex compress sound' translated target: self selector: #compressWith: argument: OggSpeexCodec. aMenu addTranslatedList: #( + ('Wave editor' edit 'open a tool which, operating with the selected sound as a point of departure, will allow you to construct a new "instrument"') + ) translatedNoop + ! - ('wave editor' edit 'open a tool which, operating with the selected sound as a point of departure, will allow you to construct a new "instrument"') - ) translatedNoop! Item was added: + ----- Method: SoundLibraryTool>>showCompressionString (in category 'menu') ----- + showCompressionString + ^ (self showCompression + ifTrue: ['<yes>'] + ifFalse: ['<no>']) + , 'show compression' translated!

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WebCamMorph
by Derek O'Connell 31 May '10

31 May '10

Updated with instructions in class comments and on SqueakSource project wiki.

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Recover password to Showcase ?
by karl ramberg 31 May '10

31 May '10

Hi I seem to have lost my login to my showcase account How do I recover it ? Karl

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QuickGuide title translations
by Bert Freudenberg 31 May '10

31 May '10

On 28.05.2010, at 10:40, commits(a)source.squeak.org wrote: > A new version of Morphic was added to project Etoys Inbox: > http://source.squeak.org/etoysinbox/Morphic-KR.10.mcz > > ==================== Summary ==================== > > Name: Morphic-KR.10 > Author: KR > Time: 28 May 2010, 7:39:39 pm > UUID: c4bb977a-6bad-dd4b-a669-d041488cc16a > Ancestors: Morphic-KR.9 > > For SQ-562: > Introduce catalog for QuickGuides to translate display of index and control display order. > > + the catalog file "catalog.txt" is placed to where QG contents reside > Format is like this: > > :NavBar/Navigator <--- categoryName/title of category > PaintBrushes/Brushes <--- guideName/title of guide > PaintColorPalette/Color Palette > > > Order of guides in some category can be specified in this file. > > Titles for categories and guides can be translated. > The file has to be UTF8 encoded. > > File name for each guide contents is assumed as <guideName>.sexp.data.gz. > <guideName> should be named only with ascii characters > for portability among various filename encodings. That's a very good solution for translating the QuickGuide names I think! Feel free to commit to the main repository. One change I would make is call it "index.txt" instead, because I think elsewhere we refer to the top page as index page. Also, I personally would prefer "|" as separator between name and title, "/" to me looks like a path separator. But maybe I'm just too used to unix path names ;) Thanks! - Bert -

2 6

Etoys developer chat today
by Bert Freudenberg 31 May '10

31 May '10

Please join our weekly Etoys developer chat today, as every Monday at 12 noon Squeakland Time. Follow this link to see the time in your local time zone: http://tinyurl.com/28gbrh7 To participate, enter your name as nickname on http://chat.squeakland.org/ and press "Login". Then say hi :-) Alternatively, use an IRC client of your choice to join #etoys on irc.freenode.net Everyone is welcome! - Bert -

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etoys-dev May 2010