A "feature" of the grammar

[Bob LeChevalier-Logical Language Group <lojbab@lojban.org>]

Nora discovered a "feature" of the baselined grammar tonight in testing the
parser/glosser.  It also happens to trigger a parser problem which can lead
to an incorrect gloss (no prepositions at the very least).

le nu klama pu xamgu

parses with the pu adding an elidable "ku" and being incorporated into the
nu abstraction clause, and the resulting nu-abstraction modifies the xamgu
as a tanru.  In short, the above is a description sumti, and not a complete
sentence.

You can fix this with "kei" or "ku" before the "pu" to keep it from getting
absorbed into the abstraction, but this is a pain if there are nested
abstractions or some other more complex sumti before the "pu".

le nu klama cu pu xamgu

is the most clear and correct form.

The erroneous form happens to cause the parser to generate a strange parse
tree where it reports the error correction of the elided "ku" after "pu".
The result could lead to an unrecognizable gloss.

lojbab


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