rm err prints

Author: parrt

README.md

@@ -201,3 +201,7 @@ java8_guava training of /Users/parrt/antlr/code/codebuff/corpus/java/training/gu
 median of [5:19] training 1863ms
 median of [5:19] formatting 2244ms
 ```
+
+## Generating graphs from paper
+
+In the *Universal Code Formatting Through Machine Learning* paper, we have three graphs to support our conclusions. This sections shows how to reproduce them.

src/org/antlr/codebuff/Formatter.java

@@ -291,7 +291,7 @@ public void indent(int indentCat, TerminalNode node) {
 		ParserRuleContext ancestor = Trainer.getAncestor(earliestLeftAncestor, deltaFromAncestor);
 		Token start = null;
 		if ( ancestor==null ) {
-			System.err.println("Whoops. No ancestor at that delta");
+//			System.err.println("Whoops. No ancestor at that delta");
 		}
 		else {
 			ParseTree child = ancestor.getChild(childIndex);
@@ -303,7 +303,7 @@ else if ( child instanceof TerminalNode ) {
 			}
 			else {
 				// uh oh.
-				System.err.println("Whoops. Tried to access invalid child");
+//				System.err.println("Whoops. Tried to access invalid child");
 			}
 		}
 		if ( start!=null ) {
@@ -321,7 +321,7 @@ public void align(int alignOrIndent, TerminalNode node) {
 		ParserRuleContext ancestor = Trainer.getAncestor(earliestLeftAncestor, deltaFromAncestor);
 		Token start = null;
 		if ( ancestor==null ) {
-			System.err.println("Whoops. No ancestor at that delta");
+//			System.err.println("Whoops. No ancestor at that delta");
 		}
 		else {
 			ParseTree child = ancestor.getChild(childIndex);
@@ -333,7 +333,7 @@ else if (child instanceof TerminalNode) {
 			}
 			else {
 				// uh oh.
-				System.err.println("Whoops. Tried to access invalid child");
+//				System.err.println("Whoops. Tried to access invalid child");
 			}
 		}
 		if ( start!=null ) {