1 files changed, 22 insertions, 22 deletions
diff --git a/src/main/java/sevenUnits/utils/NameSymbol.java b/src/main/java/sevenUnits/utils/NameSymbol.java
index 9388f63..49c44fa 100644
--- a/src/main/java/sevenUnits/utils/NameSymbol.java
+++ b/src/main/java/sevenUnits/utils/NameSymbol.java
@@ -33,7 +33,7 @@ import java.util.Set;
 public final class NameSymbol {
 	public static final NameSymbol EMPTY = new NameSymbol(Optional.empty(),
 			Optional.empty(), new HashSet<>());
-	
+
 	/**
 	 * Creates a {@code NameSymbol}, ensuring that if primaryName is null and
 	 * otherNames is not empty, one name is moved from otherNames to primaryName
@@ -43,7 +43,7 @@ public final class NameSymbol {
 	private static final NameSymbol create(final String name,
 			final String symbol, final Set<String> otherNames) {
 		final Optional<String> primaryName;
-		
+
 		if (name == null && !otherNames.isEmpty()) {
 			// get primary name and remove it from savedNames
 			final Iterator<String> it = otherNames.iterator();
@@ -53,11 +53,11 @@ public final class NameSymbol {
 		} else {
 			primaryName = Optional.ofNullable(name);
 		}
-		
+
 		return new NameSymbol(primaryName, Optional.ofNullable(symbol),
 				otherNames);
 	}
-	
+
 	/**
 	 * Gets a {@code NameSymbol} with a primary name, a symbol and no other
 	 * names.
@@ -72,7 +72,7 @@ public final class NameSymbol {
 		return new NameSymbol(Optional.of(name), Optional.of(symbol),
 				new HashSet<>());
 	}
-	
+
 	/**
 	 * Gets a {@code NameSymbol} with a primary name, a symbol and additional
 	 * names.
@@ -90,7 +90,7 @@ public final class NameSymbol {
 				new HashSet<>(Objects.requireNonNull(otherNames,
 						"otherNames must not be null.")));
 	}
-	
+
 	/**
 	 * h * Gets a {@code NameSymbol} with a primary name, a symbol and additional
 	 * names.
@@ -108,7 +108,7 @@ public final class NameSymbol {
 				new HashSet<>(Arrays.asList(Objects.requireNonNull(otherNames,
 						"otherNames must not be null."))));
 	}
-	
+
 	/**
 	 * Gets a {@code NameSymbol} with a primary name, no symbol, and no other
 	 * names.
@@ -122,7 +122,7 @@ public final class NameSymbol {
 		return new NameSymbol(Optional.of(name), Optional.empty(),
 				new HashSet<>());
 	}
-	
+
 	/**
 	 * Gets a {@code NameSymbol} with a primary name, a symbol and additional
 	 * names.
@@ -145,7 +145,7 @@ public final class NameSymbol {
 		return NameSymbol.create(name, symbol,
 				otherNames == null ? new HashSet<>() : new HashSet<>(otherNames));
 	}
-	
+
 	/**
 	 * h * Gets a {@code NameSymbol} with a primary name, a symbol and additional
 	 * names.
@@ -168,7 +168,7 @@ public final class NameSymbol {
 		return create(name, symbol, otherNames == null ? new HashSet<>()
 				: new HashSet<>(Arrays.asList(otherNames)));
 	}
-	
+
 	/**
 	 * Gets a {@code NameSymbol} with a symbol and no names.
 	 * 
@@ -181,12 +181,12 @@ public final class NameSymbol {
 		return new NameSymbol(Optional.empty(), Optional.of(symbol),
 				new HashSet<>());
 	}
-	
+
 	private final Optional<String> primaryName;
 	private final Optional<String> symbol;
-	
+
 	private final Set<String> otherNames;
-	
+
 	/**
 	 * Creates the {@code NameSymbol}.
 	 * 
@@ -202,12 +202,12 @@ public final class NameSymbol {
 		this.symbol = symbol;
 		otherNames.remove(null);
 		this.otherNames = Collections.unmodifiableSet(otherNames);
-		
+
 		if (this.primaryName.isEmpty()) {
 			assert this.otherNames.isEmpty();
 		}
 	}
-	
+
 	@Override
 	public boolean equals(Object obj) {
 		if (this == obj)
@@ -232,7 +232,7 @@ public final class NameSymbol {
 			return false;
 		return true;
 	}
-	
+
 	/**
 	 * @return otherNames
 	 * @since 2019-10-21
@@ -240,7 +240,7 @@ public final class NameSymbol {
 	public final Set<String> getOtherNames() {
 		return this.otherNames;
 	}
-	
+
 	/**
 	 * @return primaryName
 	 * @since 2019-10-21
@@ -248,7 +248,7 @@ public final class NameSymbol {
 	public final Optional<String> getPrimaryName() {
 		return this.primaryName;
 	}
-	
+
 	/**
 	 * @return symbol
 	 * @since 2019-10-21
@@ -256,7 +256,7 @@ public final class NameSymbol {
 	public final Optional<String> getSymbol() {
 		return this.symbol;
 	}
-	
+
 	@Override
 	public int hashCode() {
 		final int prime = 31;
@@ -269,7 +269,7 @@ public final class NameSymbol {
 				+ (this.symbol == null ? 0 : this.symbol.hashCode());
 		return result;
 	}
-	
+
 	/**
 	 * @return true iff this {@code NameSymbol} contains no names or symbols.
 	 */
@@ -277,7 +277,7 @@ public final class NameSymbol {
 		// if primaryName is empty, otherNames must also be empty
 		return this.primaryName.isEmpty() && this.symbol.isEmpty();
 	}
-	
+
 	@Override
 	public String toString() {
 		if (this.isEmpty())
@@ -288,7 +288,7 @@ public final class NameSymbol {
 		else
 			return this.primaryName.orElseGet(this.symbol::orElseThrow);
 	}
-	
+
 	/**
 	 * Creates and returns a copy of this {@code NameSymbol} with the provided
 	 * extra name. If this {@code NameSymbol} has a primary name, the provided