- Remove the redundant and misleading etc/Grammar file.

[cql-java-moved-to-github.git] / etc / Grammar

diff --git a/etc/Grammar b/etc/Grammar
deleted file mode 100644 (file)
index ea1ad0e..0000000
--- a/etc/Grammar
+++ /dev/null
@@ -1,35 +0,0 @@
-$Id: Grammar,v 1.1 2002-10-31 22:22:01 mike Exp $
-
-This is the CQL grammar, more or less as on the official Maintenance
-Agency page (http://lcweb.loc.gov/z3950/agency/zing/srwu/cql.html) but
-with a few tweaks described in my message of Tue, 29 Oct 2002 14:11:48
-which I hope will be integrated into the official grammar.
-
---
-
-cql-query         ::= cql-query boolean search-clause
-                   |  search-clause
-boolean           ::= "and" | "or" | "not" | prox
-search-clause     ::= "(" cql-query ")"
-                   |  [ qualifier relation ] term
-
-relation          ::= base-relation { "/" relation-modifier }
-base-relation     ::= numeric-relation | "exact" | "all" | "any"
-relation-modifier ::= "relevant" | "fuzzy" | "stem"
-numeric-relation  ::= "<" | ">" | "<=" | ">=" | "<>" | "="
-
-prox              ::= "prox" [ "/" prox-parameters ]
-prox-parameters   ::= [ numeric-relation ] "/" [ distance ] "/" [ unit ] "/" ordering
-                   |  [ numeric-relation ] "/" [ distance ] "/" unit
-                   |  [ numeric-relation ] "/" distance
-                   |  numeric-relation
-unit              ::= "word" | "sentence" | "paragraph" | "element"
-ordering          ::= "ordered" | "unordered"
-distance          ::= non-negative-integer
-
-qualifier         ::= [ qualifier-prefix "." ] qualifier-name
-qualifier-prefix  ::= identifier
-qualifier-name    ::= identifier
-identifer         ::= string
-term              ::= string | ""string""
-string            ::= a character string