Add docstring

Author: lambdageek

src/bootstrap/configure.py

@@ -739,6 +739,10 @@ def configure_file(sections, top_level_keys, targets, config):
 
 
 def write_uncommented(target, f):
+    """Writes each block in 'target' that is not composed entirely of comments to 'f'.
+
+    A block is a sequence of non-empty lines separated by empty lines.
+    """
     block = []
     is_comment = True
 
@@ -753,9 +757,9 @@ def write_uncommented(target, f):
             continue
         is_comment = is_comment and line.startswith("#")
     # Write the last accumulated block
-    if len(block) > 0 and not is_comment:
-        for ln in block:
-            f.write(ln + "\n")
+    #if len(block) > 0 and not is_comment:
+    #    for ln in block:
+    #        f.write(ln + "\n")
     return f