docs_gen.py now shows more docs errors.

regions.scad

@@ -550,7 +550,7 @@ function _offset_region(
 //   Takes an input path and returns a path offset by the specified amount.  As with the built-in
 //   offset() module, you can use `r` to specify rounded offset and `delta` to specify offset with
 //   corners.  Positive offsets shift the path to the left (relative to the direction of the path).
-//   
+//   .
 //   When offsets shrink the path, segments cross and become invalid.  By default `offset()` checks
 //   for this situation.  To test validity the code checks that segments have distance larger than (r
 //   or delta) from the input path.  This check takes O(N^2) time and may mistakenly eliminate
@@ -560,7 +560,7 @@ function _offset_region(
 //   increases the number of samples on the segment that are checked.)  Run time will increase.  In
 //   some situations you may be able to decrease run time by setting quality to 0, which causes only
 //   segment ends to be checked.
-//   
+//   .
 //   For construction of polyhedra `offset()` can also return face lists.  These list faces between
 //   the original path and the offset path where the vertices are ordered with the original path
 //   first, starting at `firstface_index` and the offset path vertices appearing afterwords.  The