style usages part one (openarray => openArray) (#19321)

* style usages (openArray)

* revert doc changes

tests/js/t9410.nim

@@ -447,10 +447,10 @@ template tests =
       doAssert seqOfSeqs == @[@[10, 2], @[30, 4]]
 
   when false:
-    block: # openarray
+    block: # openArray
           # Error: internal error: genAddr: nkStmtListExpr
       var calls = 0
-      proc getvarint(x: var openarray[int]): var int =
+      proc getvarint(x: var openArray[int]): var int =
         calls += 1
         if true:
           x[1]

tests/js/tbasics.nim

@@ -54,7 +54,7 @@ for x in someGlobal: doAssert(x == 0)
 proc tdefault =
   var x = default(int)
   doAssert(x == 0)
-  proc inner(v: openarray[string]) =
+  proc inner(v: openArray[string]) =
     doAssert(v.len == 0)
 
   inner(default(seq[string]))

tests/js/tbyvar.nim

@@ -39,9 +39,9 @@ proc main =
 
 main()
 
-# Test: pass var seq to var openarray
+# Test: pass var seq to var openArray
 var s = @[2, 1]
-proc foo(a: var openarray[int]) = a[0] = 123
+proc foo(a: var openArray[int]) = a[0] = 123
 
 proc bar(s: var seq[int], a: int) =
   doAssert(a == 5)