A few tweaks to interdigit

NEWS.md

@@ -3,8 +3,8 @@
     This will also be true for functions passed to `Paths.CPW` or `Paths.Trace`.
   - Breaking change: `minimum` and `maximum` no longer defined for polygons; use `lowerleft`
     and `upperright` instead.
-  - Breaking change: some of the methods in 'src/tags.jl' that you probably weren't using
-    anyway may have had changes to their method signatures.
+  - Breaking change: some of the methods in `src/tags.jl` may have had changes to their
+    method signatures.
   - Breaking change: `flatten` always returns a `Cell`, never an array of `Polygon`s.
     The behavior of `flatten!` (which modifies a `Cell`) is unchanged.
   - Implement our own rendering algorithms. This enables continuous integration testing and

src/tags.jl

@@ -153,18 +153,18 @@ function grating!{T}(c::Cell{T}, line, space, size; kwargs...)
 end
 
 """
-    interdigit!{T}(c::Cell{T}, width, length, xgap, ygap, npairs::Integer,
+    interdigit!{T}(c::Cell{T}, width, length, fingergap, fingeroffset, npairs::Integer,
         skiplast=true; kwargs...)
 Creates interdigitated fingers, e.g. for a lumped element capacitor.
   - `width`: finger width
   - `length`: finger length
-  - `xgap`: x-offset at ends of fingers
+  - `fingeroffset`: x-offset at ends of fingers
   - `fingergap`: gap between fingers
   - `npairs`: number of fingers
   - `skiplast`: should we skip the last finger, leaving an odd number?
 """
 function interdigit!{T}(c::Cell{T}, width, length, fingergap, fingeroffset, npairs::Integer,
-        skiplast; kwargs...)
+        skiplast=true; kwargs...)
     for i in 1:npairs
         render!(c, Rectangle(Point(zero(T), (i-1) * 2 * (width + fingergap)),
             Point(length, (i-1) * 2 * (width + fingergap) + width); kwargs...))