fix #12155, improve nimpretty's handling of pragmas (#17353)

compiler/layouter.nim

@@ -514,7 +514,8 @@ proc emitTok*(em: var Emitter; L: Lexer; tok: Token) =
         (not em.wasExportMarker or tok.tokType == tkCurlyDotLe):
       wrSpace em
     wr(em, $tok.tokType, ltSomeParLe)
-    rememberSplit(splitParLe)
+    if tok.tokType != tkCurlyDotLe:
+      rememberSplit(splitParLe)
   of closedPars:
     wr(em, $tok.tokType, ltSomeParRi)
   of tkColonColon:

nimpretty/tests/exhaustive.nim

@@ -843,3 +843,7 @@ type
   SpinnyEvent2 = tuple
     kind: EventKind
     payload: string
+
+
+proc hid_open*(vendor_id: cushort; product_id: cushort; serial_number: cstring): ptr HidDevice {.
+    importc: "hid_open", dynlib: hidapi.}

nimpretty/tests/expected/exhaustive.nim

@@ -856,3 +856,8 @@ type
   SpinnyEvent2 = tuple
     kind: EventKind
     payload: string
+
+
+proc hid_open*(vendor_id: cushort; product_id: cushort;
+    serial_number: cstring): ptr HidDevice {.
+    importc: "hid_open", dynlib: hidapi.}