[Wikichanges] Wiki page BPFK Section: Ban on consonant-glide-vowel strings created by guskant

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The page BPFK Section: Ban on consonant-glide-vowel strings was created by guskant at 14:24 GMT

You can view the page by following this link:
 
http://www.lojban.org/tiki/BPFK%20Section%3A%20Ban%20on%20consonant-glide-vowel%20strings



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!!Problem discussed

The ((The Complete Lojban Language|CLL)) includes a paragraph on diphthongs:

^The first four diphthongs above (“ai”, “ei”, “oi”, and “au”, the ones with off-glides) are freely used in most types of Lojban words; the ten following ones [[“ia”, “ie”, “ii”, “io”, “iu”, “ua”, “ue”, “ui”, “uo”, “uu”] are used only as stand-alone words and in Lojbanized names and borrowings; and the last two (“iy” and “uy”) are used only in Lojbanized names.

[[CLL Chapter 3, Section 4.]^

It is unclear if the paragraph defines a rule for possible diphthongs, or describes diphthongs of existing words. ((jbofi'e)) was designed so that it is applied as a rule to the lexical analysis: ((vlatai)) of it disallows cmavo to include a consonant-glide-vowel (CgV) string. On the other hand, ((camxes)) allows cmavo to include it:

^{CODE()}

cmavo-form <- !h !cluster onset (nucleus h)* (!stressed nucleus / nucleus !cluster) / y+ / digit

{CODE}

[[...]

{CODE()}

onset <-  h / consonant? glide / initial

{CODE}

[[Version 119 of ((BPFK Section: PEG Morphology Algorithm|PEG morphology page)).]^

The BPFK members [https://groups.google.com/d/topic/bpfk-list/OH-sdfvlXsY/discussion|discussed the matter], and put it to [https://docs.google.com/forms/d/1kJLBvjkoDpmvA9vJS_lf8SpCYAZvY4bMx1pj8uhWqRs/viewanalytics|the approval voting].



!!Conclusion

The BPFK disallows CgV in cmevla/fu'ivla/ma'ovla.

It is a stronger restriction than that of CLL, which allows CgV at least in cmevla and fu'ivla. We need therefore to take measures to rescue the existing words that become invalid under the new rule.



!!Measures to rescue the existing words

The following procedure will be useful:

#add an apostrophe between Cg and V if it does not produce a conflict between existing words, and if it does not transform the word into (pseudo-)lujvo ("fiakre", "fiesta", "kuardicka'u", "tiatro"), and if it does not transform the word into a bad fu'ivla that fails in ((slinku'i)) ("[http://jbovlaste.lojban.org/dict/ckankua|ckankua]": it is currently (2015-01-04) downvoted, but can revive someday); ex.) kuarka -> ku'arka;

#if 1 cannot be applied, and if the word is fu'ivla that includes CgV not in the first syllable, make the glide letter double; ex.) ckankua -> ckankuua;

# if neither 1 nor 2 can be applied, 

## turn it back into type-3 fu'ivla; ex.) fiakre -> marcrfi'akre;

## create a corresponding lujvo; ex.) kuardicka'u -> ratslepaudicka'u;

## turn it back into a zi'evla using a hyphen "n"; ex.) kuardicka'u -> ku'andicka'u;

## reformulate it into zei-lujvo; ex.) kuardicka'u -> ku'arka zei dicka'u.




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