From 2ed61cfb3ad3d404b9a44bbb3f4c8083b469ae22 Mon Sep 17 00:00:00 2001
From: randomguy3 <randomguy3@7c02a99a-9b00-45e3-bf44-6f3dd7fddb64>
Date: Fri, 6 Jan 2012 13:44:40 +0000
Subject: Move everything into trunk.

Also add branches and tags directories.



git-svn-id: https://tikzit.svn.sourceforge.net/svnroot/tikzit/trunk@348 7c02a99a-9b00-45e3-bf44-6f3dd7fddb64
---
 docs/web/bnf.txt | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 docs/web/bnf.txt

(limited to 'docs/web/bnf.txt')

diff --git a/docs/web/bnf.txt b/docs/web/bnf.txt
new file mode 100644
index 0000000..e5be059
--- /dev/null
+++ b/docs/web/bnf.txt
@@ -0,0 +1,31 @@
+<tikzpicture> ::= "\begin{tikzpicture}" <properties>?
+                  <expression>*
+                  "\end{tikzpicture}"
+
+<expression>   ::= <ignore> | <node> | <edge> | <bounding box>
+
+<ignore>       ::= "\begin{pgfonlayer}" DELIMITED_STRING |
+                   "\end{pgfonlayer}"
+
+<properties>   ::= "[" <property> ("," <property>)* "]"
+
+<property>     ::= <symbol>* "=" <value> | <symbol>*
+
+<symbol>       ::= WORD | number
+
+<value>        ::= <symbol>* | QUOTED_STRING
+
+<node>         ::= "\node" <properties>? <node name>
+                      "at" <coords> DELIMITED_STRING ";"
+
+<node name>    ::= "(" (NATURAL_NUMBER | WORD) (".center")? ")"
+
+<coords>       ::= "(" NUMBER "," NUMBER ")"
+
+<edge>         ::= "\draw" <properties>? <node name>
+                      "to" <edge node>? (<node name> | "()") ";"
+
+<edge node>    ::= "node" <properties>? DELIMITED_STRING
+
+<bounding box> ::= "\path" "[use as bounding box]" <coords>
+                      "rectangle" <coords> ";"
-- 
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