Add assertions to TokenImpl to prevent creating negative length tokens

rcx · rcx · commit 91286018d7fe · 2018-08-16T06:26:47.000-04:00
diff --git a/libs/RSyntaxTextArea b/libs/RSyntaxTextArea
@@ -1 +1 @@
-Subproject commit 8fa124751e77814d7398e59a17dea5ff857d9b28
+Subproject commit cabae4e404bb0b859b0b3d58d1a0630d4028f82f
