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Date: Thu, 19 Jun 2014 22:54:02 -0300
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Subject: Re: [lojban] Does the lojban language include the empty string?
From: =?UTF-8?Q?Jorge_Llamb=C3=ADas?= <jjllambias@gmail.com>
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On Thu, Jun 19, 2014 at 10:19 PM, Riley Martinez-Lynch <shunpiker@gmail.com=
>
wrote:

> In the course of working on a script to extract grammatical lojban texts
> from a stream of heterogenous input, I discovered that camxes considers a=
n
> empty string to be a valid lojban text. I tried jbofihe and
> yacc/grammar.300, and got the same result.
>
> Is the empty string (=CE=B5) really intended to be included in the lojban
> language, or is this a quirk of the machine grammar implementations?
>
> *xu lo'u le'u te gerna lo jbobau*
>
>
It was done on purpose. It would be trivial to change the grammar to
disallow it. If we disallow it, however, would we also have to consider the
text "valsi si" ungrammatical?


> If it is included, as the parsers indicate, null lojban texts are to be
> found everywhere that you can't parse the beginning of a non-null lojban
> text.
>
> Thoughts?
>

I'm not sure I follow. The grammar can only parse one text at a time, it
can't parse a string of texts, so I'm not sure I see what the problem is. A
non-null text is just one text, not a sequence of null texts followed by a
non-null text, just like "broda brode" is one single text, not text "broda"
followed by second text "brode".

mu'o mi'e xorxes

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<div dir=3D"ltr"><div class=3D"gmail_extra"><br><div class=3D"gmail_quote">=
On Thu, Jun 19, 2014 at 10:19 PM, Riley Martinez-Lynch <span dir=3D"ltr">&l=
t;<a href=3D"mailto:shunpiker@gmail.com" target=3D"_blank">shunpiker@gmail.=
com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div>In the course of worki=
ng on a script to extract grammatical lojban texts from a stream of heterog=
enous input, I discovered that camxes considers an empty string to be a val=
id lojban text. I tried jbofihe and yacc/grammar.300, and got the same resu=
lt.</div>
<div><br></div><div>Is the empty string (=CE=B5) really intended to be incl=
uded in the lojban language, or is this a quirk of the machine grammar impl=
ementations?</div><div><br></div><blockquote style=3D"margin:0 0 0 40px;bor=
der:none;padding:0px">
<div><i>xu lo&#39;u le&#39;u te gerna lo jbobau</i></div></blockquote></div=
></blockquote><div><br></div><div>It was done on purpose. It would be trivi=
al to change the grammar to disallow it. If we disallow it, however, would =
we also have to consider the text &quot;valsi si&quot; ungrammatical? =C2=
=A0</div>
<div>=C2=A0</div><blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8=
ex;border-left:1px #ccc solid;padding-left:1ex"><div dir=3D"ltr"><div></div=
><div>If it is included, as the parsers indicate, null lojban texts are to =
be found everywhere that you can&#39;t parse the beginning of a non-null lo=
jban text.</div>
<div><br></div><div>Thoughts?</div></div></blockquote><div><br></div><div>I=
&#39;m not sure I follow. The grammar can only parse one text at a time, it=
 can&#39;t parse a string of texts, so I&#39;m not sure I see what the prob=
lem is. A non-null text is just one text, not a sequence of null texts foll=
owed by a non-null text, just like &quot;broda brode&quot; is one single te=
xt, not text &quot;broda&quot; followed by second text &quot;brode&quot;.</=
div>
<div><br></div><div>mu&#39;o mi&#39;e xorxes</div><div>=C2=A0</div></div></=
div></div>

<p></p>

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