diff options
Diffstat (limited to 'doc/user/environments.xml')
| -rw-r--r-- | doc/user/environments.xml | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/doc/user/environments.xml b/doc/user/environments.xml index 5bb1089..81f43a4 100644 --- a/doc/user/environments.xml +++ b/doc/user/environments.xml @@ -1,6 +1,6 @@ <!-- - Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation + Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 The SCons Foundation Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the @@ -779,7 +779,8 @@ environment, of directory names, suffixes, etc. If a problem occurs when expanding a construction variable, by default it is expanded to <literal>''</literal> (a null string), and will not cause scons to fail. - + </para> + <programlisting> env = Environment() print "value is:", env.subst( '->$MISSING<-' ) @@ -790,7 +791,8 @@ environment, of directory names, suffixes, etc. value is: -><- scons: `.' is up to date. </screen> - + + <para> This default behaviour can be changed using the &AllowSubstExceptions; function. When a problem occurs with a variable expansion it generates @@ -1087,7 +1089,7 @@ environment, of directory names, suffixes, etc. </section> - <section> + <section id="sect-clone-environments"> <title>Making Copies of &ConsEnvs;: the &Clone; Method</title> <para> |