X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fio%2Fgff%2FGffHelperI.java;h=387ee60fe2e33cb061b5dc02be476dd5e10ec8fc;hb=75aa2f504257f5564e3a88c3677905d7c392f24e;hp=7fbcf5ca7491c040324ae3e37aab1d4fcf8285c5;hpb=604cbee405a837565ba1a74aa9bddd62aed685ab;p=jalview.git

diff --git a/src/jalview/io/gff/GffHelperI.java b/src/jalview/io/gff/GffHelperI.java
index 7fbcf5c..387ee60 100644
--- a/src/jalview/io/gff/GffHelperI.java
+++ b/src/jalview/io/gff/GffHelperI.java
@@ -35,6 +35,12 @@ import java.util.List;
  */
 public interface GffHelperI
 {
+  /*
+   * GFF3 spec requires comma, equals, semi-colon, tab, percent characters to be
+   * encoded as %2C, %3D, %3B, %09, %25 respectively within data values
+   * see https://github.com/The-Sequence-Ontology/Specifications/blob/master/gff3.md
+   */
+  final String GFF_ENCODABLE = ",=;\t%";
 
   final String RENAME_TOKEN = "$RENAME_TO$";