diff --git a/scripts/gendoc.py b/scripts/gendoc.py
index 47141d7d..e3c3797e 100755
--- a/scripts/gendoc.py
+++ b/scripts/gendoc.py
@@ -76,12 +76,14 @@ def main():
 
 if __name__ == '__main__':
     if len(sys.argv) > 1 and sys.argv[1:] != ["--nodelete"]:
-        # we accept no args, so they don't know what they're doing!
+        # we accept almost no args, so they don't know what they're doing!
         print "gendoc.py - Generate the Matrix specification as HTML."
         print "Usage:"
-        print "  python gendoc.py"
+        print "  python gendoc.py [--nodelete]"
         print ""
         print "The specification can then be found in the gen/ folder."
+        print ("If --nodelete was specified, intermediate files will be "
+               "present in the tmp/ folder.")
         print ""
         print "Requirements:"
         print " - This script requires Jinja2 and rst2html (docutils)."
diff --git a/templating/build.py b/templating/build.py
index 6756bed9..ac3d2491 100755
--- a/templating/build.py
+++ b/templating/build.py
@@ -76,6 +76,11 @@ def main(input_module, file_stream=None, out_dir=None, verbose=False):
         return " "*indent + input
 
     def wrap(input, wrap=80, initial_indent=""):
+        if len(input) == 0:
+            return initial_indent
+        # TextWrapper collapses newlines into single spaces; we do our own
+        # splitting on newlines to prevent this, so that newlines can actually
+        # be intentionally inserted in text.
         input_lines = input.split('\n\n')
         wrapper = TextWrapper(initial_indent=initial_indent, width=wrap)
         output_lines = [wrapper.fill(line) for line in input_lines]