doc tweaks

lists.scad

@@ -798,8 +798,7 @@ function list_remove_values(list,values=[],all=false) =
 
 
 
-
-// Section: Lists of Subsets
+// Section: List Iteration Index Helper
 
 // Function: idx()
 // Usage:
@@ -828,6 +827,8 @@ function idx(list, s=0, e=-1, step=1) =
     ) [_s : step : _e];
 
 
+// Section: Lists of Subsets
+
 
 // Function: pair()
 // Usage:

utility.scad

@@ -935,7 +935,7 @@ module shape_compare(eps=1/1024) {
 }
 
 
-// Section: Looping Helpers
+// Section: C-Style For Loop Helpers
 //   You can use a list comprehension with a C-style for loop to iteratively make a calculation.
 //   .
 //   The syntax is: `[for (INIT; CONDITION; NEXT) RETVAL]` where: