adds the W command to go to next WORD. adds a find next word forward function

src/caret/movement.rs

@@ -175,4 +175,24 @@ impl Editor {
 
         None
     }
+
+    /// Get next WORD forward
+    /// "A WORD consists of a sequence of non-blank characters, separated with
+    /// whitespace.  An empty line is also considered to be a WORD."
+    pub fn _next_word_forward(&self, n: usize) -> Option<usize> {
+        let mut dn = 0;
+        let mut x  = self.x();
+
+        for (i, ch) in self.buffers.current_buffer()[self.y()].chars().skip(x).enumerate() {
+            if ch.is_whitespace() {
+                dn += 1;
+                if dn == n {
+                    x += i + 1;
+                    return Some(x);
+                }
+            }
+        }
+
+        None
+    }
 }

src/core/exec.rs

@@ -199,6 +199,14 @@ impl Editor {
                     mov = true;
                 }
             }
+            (Command(Normal), Char('W')) => {
+                let pos = self._next_word_forward(n);
+                if let Some(p) = pos {
+                    let y = self.y();
+                    self.goto((p, y));
+                    mov = true;
+                }
+            }
             (Command(Normal), Char(';')) =>
                 self.cursor_mut().mode = Mode::Primitive(PrimitiveMode::Prompt),
             (Command(Normal), Char(' ')) => self.next_cursor(),