examples: Trim .nim files trailing whitespace

via OSX: find . -name '*.nim' -exec sed -i '' -E 's/[[:space:]]+$//' {} +

examples/htmlrefs.nim

@@ -4,11 +4,11 @@
 
 import os, streams, parsexml, strutils
 
-proc `=?=` (a, b: string): bool = 
+proc `=?=` (a, b: string): bool =
   # little trick: define our own comparator that ignores case
   return cmpIgnoreCase(a, b) == 0
 
-if paramCount() < 1: 
+if paramCount() < 1:
   quit("Usage: htmlrefs filename[.html]")
 
 var links = 0 # count the number of links
@@ -21,17 +21,17 @@ next(x) # get first event
 block mainLoop:
   while true:
     case x.kind
-    of xmlElementOpen: 
+    of xmlElementOpen:
       # the <a href = "xyz"> tag we are interested in always has an attribute,
       # thus we search for ``xmlElementOpen`` and not for ``xmlElementStart``
-      if x.elementName =?= "a": 
+      if x.elementName =?= "a":
         x.next()
-        if x.kind == xmlAttribute: 
+        if x.kind == xmlAttribute:
           if x.attrKey =?= "href":
             var link = x.attrValue
             inc(links)
             # skip until we have an ``xmlElementClose`` event
-            while true: 
+            while true:
               x.next()
               case x.kind
               of xmlEof: break mainLoop
@@ -40,14 +40,14 @@ block mainLoop:
             x.next() # skip ``xmlElementClose``
             # now we have the description for the ``a`` element
             var desc = ""
-            while x.kind == xmlCharData: 
+            while x.kind == xmlCharData:
               desc.add(x.charData)
               x.next()
             echo(desc & ": " & link)
       else:
-        x.next()      
+        x.next()
     of xmlEof: break # end of file reached
-    of xmlError: 
+    of xmlError:
       echo(errorMsg(x))
       x.next()
     else: x.next() # skip other events