Doc tweaks.

[p5sagit/p5-mst-13.2.git] / pod / perlform.pod

diff --git a/pod/perlform.pod b/pod/perlform.pod
index 6b65e04..53e348f 100644 (file)
--- a/pod/perlform.pod
+++ b/pod/perlform.pod
@@ -187,7 +187,7 @@ stage in the expression to single-step the debugger through):
 
 If you use the English module, you can even read the variable names:
 
-    use English;
+    use English '-no_match_vars';
     $ofh = select(OUTF);
     $FORMAT_NAME     = "My_Other_Format";
     $FORMAT_TOP_NAME = "My_Top_Format";
@@ -335,3 +335,12 @@ cannot be controlled by C<use locale> because the pragma is tied to the
 block structure of the program, and, for historical reasons, formats
 exist outside that block structure.  See L<perllocale> for further
 discussion of locale handling.
+
+Inside of an expression, the whitespace characters \n, \t and \f are
+considered to be equivalent to a single space.  Thus, you could think
+of this filter being applied to each value in the format:
+
+ $value =~ tr/\n\t\f/ /;
+
+The remaining whitespace character, \r, forces the printing of a new
+line if allowed by the picture line.