lztext and parser

Hi,

I'm hacking in the operator functions for the lztext type and
have a little question.

With the generic per-byte decompressor I added, it would be
very easy to produce functions like

bool lztext_text_eq(lztext, text)
bool text_lztext_eq(text, lztext)

too. Comparision between lztext and text does already work
because there are lztext->text and vice versa functions
available and the parser automatically typecasts.

So would it be a win or a dead end street to provide those
functions? Does it look for a direct comparision function
allways first? Then it would be, because it would never
choose to compress the text item and then compare two
lztext's (what would be terrible).

Jan

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