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-rw-r--r--chapter01/docs/01-grammar.md1
-rw-r--r--chapter01/docs/01-graph.gv (renamed from chapter01/docs/02-graph.gv)0
-rw-r--r--chapter01/docs/01-graph.svg (renamed from chapter01/docs/02-graph.svg)0
3 files changed, 1 insertions, 0 deletions
diff --git a/chapter01/docs/01-grammar.md b/chapter01/docs/01-grammar.md
index cf947dfc..5d9f3cf7 100644
--- a/chapter01/docs/01-grammar.md
+++ b/chapter01/docs/01-grammar.md
@@ -21,5 +21,6 @@ primaryExpression
INTEGER_LITERAL
: [1-9][0-9]*
+ | [0]
;
``` \ No newline at end of file
diff --git a/chapter01/docs/02-graph.gv b/chapter01/docs/01-graph.gv
index 40181544..40181544 100644
--- a/chapter01/docs/02-graph.gv
+++ b/chapter01/docs/01-graph.gv
diff --git a/chapter01/docs/02-graph.svg b/chapter01/docs/01-graph.svg
index fbf92d7d..fbf92d7d 100644
--- a/chapter01/docs/02-graph.svg
+++ b/chapter01/docs/01-graph.svg