Cleaned up some results for Andy Lester's commits.

sections/chapter_00.pod

@@ -109,10 +109,8 @@ Choroba, Paulo Custodio, Felipe, Shlomi Fish, Jeremiah Foster, Mark Fowler,
 John Gabriele, Andrew Grangaard, Bruce Gray, Ask Bjørn Hansen, Tim Heaney,
 Robert Hicks, Michael Hind, Mark Hindess, Yary Hluchan, Mike Huffman, Curtis
 Jewell, Mohammed Arafat Kamaal, James E Keenan, Yuval Kogman, Jan Krynicky,
-Jeff Lavallee, Moritz Lenz,
-Andy Lester,
-Jean-Baptiste Mazon, Josh McAdams, Gareth
-McCaughan, John McNamara, Shawn M Moore, Alex Muntada, Carl Mäsak, Chris
+Jeff Lavallee, Moritz Lenz, Andy Lester, Jean-Baptiste Mazon, Josh McAdams,
+Gareth McCaughan, John McNamara, Shawn M Moore, Alex Muntada, Carl Mäsak, Chris
 Niswander, Nelo Onyiah, Chas. Owens, ww from PerlMonks, Jess Robinson, Dave
 Rolsky, Gabrielle Roth, Andrew Savige, Lorne Schachter, Dan Scott, Alexander
 Scott-Johns, Phillip Smith, Christopher E. Stith, Mark A. Stratman, Bryan

sections/files.pod

@@ -539,9 +539,10 @@ X<C<-X>; file test operators>
 X<operators; C<-X>>
 
 Besides reading and writing files, you can also manipulate them as you would
-directly from a command line or a file manager.  The file test
-operators, collectively called the C<-X> operators because they are a hyphen and a single letter,
-examine file and directory attributes. For example, to test that a file exists:
+directly from a command line or a file manager.  The file test operators,
+collectively called the C<-X> operators because they are a hyphen and a single
+letter, examine file and directory attributes. For example, to test that a file
+exists:
 
 X<C<-e>; file exists operator>
 X<operators; C<-e>>
@@ -599,16 +600,17 @@ takes two operands, the old name of the file and the new name:
 
 X<C<File::Copy>>
 X<builtins; C<unlink>>
+X<builtins; C<delete>>
 X<files; copying>
 X<files; moving>
 X<files; removing>
 X<files; deleting>
 
 There's no core builtin to copy a file, but the core C<File::Copy> module
 provides both C<copy()> and C<move()> functions. Use the C<unlink> builtin to
-remove one or more files. (The C<delete> builtin deletes an element from a hash, not a file from the filesystem.)
-These functions and builtins all return true values
-on success and set C<$!> on error.
+remove one or more files. (The C<delete> builtin deletes an element from a
+hash, not a file from the filesystem.) These functions and builtins all return
+true values on success and set C<$!> on error.
 
 =begin sidebar
 

sections/missing_defaults.pod

@@ -65,7 +65,8 @@ warnings> for more details.
 Combine C<use warnings> with C<use diagnostics> to receive expanded diagnostic
 messages for each warning present in your programs.  These expanded diagnostics
 come from C<perldoc perldiag>. This behavior is useful when learning Perl.
-Disable it in deployed software, since it produces verbose output.
+Disable it before you deploy your program, because it produces verbose output
+which might fill up your logs and expose too much information to users.
 
 =end tip