Simplify an example based on comment from Thomas Holenstein <thomas@hex.ch>:

Do not use an extra flag variable to test only once in one subsequent if
statement.

diff --git a/Doc/lib/libcgi.tex b/Doc/lib/libcgi.tex
index 285c08f66e4b3518da420a141b21fab364ace3b9..8ab562d8b21f00952756ea7a17e3e347acb8c853 100644 (file)
--- a/Doc/lib/libcgi.tex
+++ b/Doc/lib/libcgi.tex
@@ -89,10 +89,7 @@ non-empty string:
 
 \begin{verbatim}
 form = cgi.FieldStorage()
-form_ok = 0
-if form.has_key("name") and form.has_key("addr"):
-    form_ok = 1
-if not form_ok:
+if not (form.has_key("name") and form.has_key("addr")):
     print "<H1>Error</H1>"
     print "Please fill in the name and addr fields."
     return