estimate to LaTeX

Yavsc/Helpers/TeXHelpers.cs

@@ -0,0 +1,15 @@
+using System.Linq;
+
+namespace Yavsc.Helpers
+{
+    public static class TeXHelpers
+    {
+        public static string NewLinesWith(this string target, string separator)
+        { 
+            var items = target.Split(new char[] {'\n'}).Where(
+                s=> !string.IsNullOrWhiteSpace(s) ) ;
+
+            return string.Join(separator, items);
+        }
+    }
+}