Fix to allow tabs in names when parsing Depends (#56)

* Fix to allow tabs in names when parsing Depends

See https://fantom.org/forum/topic/2765

src/sys/es/fan/Depend.js

@@ -171,7 +171,7 @@ class DependParser {
 
   #name() {
     let s = ""
-    while (this.cur != 32) {
+    while (this.cur != 32 && this.cur != 9) {
       if (this.cur < 0) throw new Error();
       s += String.fromCharCode(this.cur);
       this.consume();

src/sys/java/fan/sys/Depend.java

@@ -70,7 +70,7 @@ Depend parse()
     private String name()
     {
       StringBuilder s = new StringBuilder();
-      while (cur != ' ')
+      while (cur != ' ' && cur != '\t')
       {
         if (cur < 0) throw new RuntimeException();
         s.append((char)cur);
@@ -306,4 +306,4 @@ static class Constraint
   private final Constraint[] constraints;
   private String str;
 
-}
+}

src/sys/js/fan/Depend.js

@@ -204,7 +204,7 @@ fan.sys.DependParser.prototype.parse = function()
 fan.sys.DependParser.prototype.$name = function()
 {
   var s = ""
-  while (this.m_cur != 32)
+  while (this.m_cur != 32 && this.m_cur != 9)
   {
     if (this.m_cur < 0) throw new Error();
     s += String.fromCharCode(this.m_cur);

src/testSys/fan/DependTest.fan

@@ -72,6 +72,13 @@ class DependTest : Test
     verifyEq(d.isRange, true)
     verifyEq(d.endVersion, Version.make([3, 4, 5]))
 
+    d = Depend.fromStr("foo\t1.2")
+    verifyEq(d.toStr, "foo 1.2")
+    d = Depend.fromStr("foo\t\t\t1.2")
+    verifyEq(d.toStr, "foo 1.2")
+    d = Depend.fromStr("foo\t1.2\t-\t3.4.5")
+    verifyEq(d.toStr, "foo 1.2-3.4.5")
+
     d = Depend.fromStr("foo 1, 1.1.88-2.3, 5+")
     verifyEq(d.toStr, "foo 1,1.1.88-2.3,5+")
     verifyEq(d.equals(Depend.fromStr("foo 1,1.1.88-2.3,5+")), true)