qq reader returns (values result matched?) that can be used when customizing with the :toplevel-reader-wrapper

Ignore-this: 74490d2d2f0eda79f32c38ef212dc15d

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darcs-hash:8890101d79e58db4b35219891436d46acb9970ef

fix nested qq reader bug and add log statements. the interesting change is small, getting the previous unquote reader in read-quasi-quote, the rest is logging and indenting

Ignore-this: 6fb58dad7a72583aa0171a3c31def381

darcs-hash:73fe4c6ade3efdd73da281f7680ff3d7e0311c31

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darcs-hash:be8afda4fb0ceb92ea26ca1d4fe6e0a313b041c2

added new lambda parser from stefil to duplicates, quote the defaults of the enable-* macro's &key and &optional args

darcs-hash:2f2d3d5bfa4133cdd56d928bf11a53a89584fc86

darcs-hash:846cce6d2670d1c2764c4fd9d5a2d82080d247a8

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darcs-hash:2a494ca5c7e9983db5a40ce4afc841336b38538c

qq syntax may be enabled only on the `foo() dispatched qq reader without installing on other macro characters

darcs-hash:920ea345cf14ded5797aa35d3deaa1cfaa41c8a8

added string-quote syntax which is like "" but does not have any escaping, iow unconditionally reads until the close char

darcs-hash:8474b7e0c820379609fe7afafd18e574659e13a5

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darcs-hash:ee1cf9a9c99f1b9542906d2da6d0f01594321baa

added an exported *quasi-quote-nesting-level*, refactor unquote so that it goes back to the parent readtable but sets readtable-case from the *toplevel-readtable*

darcs-hash:c66d5ba3c8ea67298c0104a5c91c70f4d60e092a

darcs-hash:d72eef3f8f48d17be9fcb3d718d1d26418401576

simpler names, it's start-character, end-character and dispatch-character everywhere (almost). qq reader can be installed on a dispatch, too.

darcs-hash:69f03c8348ea3d385f48bff500f872b35717cb68