State greediness of GraphQL

budde377 · budde377 · commit 2147dc8b4a66 · 2019-02-14T08:09:00.000+01:00
Explicitly state that the GraphQL grammar is greedy to clear up possible disambiguity. Closes #539
diff --git a/spec/Appendix A -- Notation Conventions.md b/spec/Appendix A -- Notation Conventions.md
@@ -43,6 +43,7 @@ ListOfLetterA :
   - `a`
   - ListOfLetterA `a`
 
+The GraphQL grammar is greedy; this means that given a choice between matching an optional token or a subsequent rule, the optional token prevails.
 
 ## Lexical and Syntactical Grammar
 
