=item Filehandle %s opened only for input
-(W io) You tried to write on a read-only filehandle. If you intended it
-to be a read-write filehandle, you needed to open it with "+<" or "+>"
-or "+>>" instead of with "<" or nothing. If you intended only to write
-the file, use ">" or ">>". See L<perlfunc/open>.
+(W io) You tried to write on a read-only filehandle. If you intended
+it to be a read-write filehandle, you needed to open it with "+<" or
+"+>" or "+>>" instead of with "<" or nothing. If you intended only to
+write the file, use ">" or ">>". See L<perlfunc/open>.
=item Filehandle %s opened only for output
-(W io) You tried to read from a filehandle opened only for writing.
-If you intended it to be a read/write filehandle, you needed to open it
+(W io) You tried to read from a filehandle opened only for writing, If
+you intended it to be a read/write filehandle, you needed to open it
with "+<" or "+>" or "+>>" instead of with "<" or nothing. If you
intended only to read from the file, use "<". See L<perlfunc/open>.
+Another possibility is that you attempted to open filedescriptor 0
+(also known as STDIN) for output (maybe you closed STDIN earlier?).
=item Filehandle %s reopened as %s only for input
(F) You can't use system(), exec(), or a piped open in a setuid or
setgid script if any of C<$ENV{PATH}>, C<$ENV{IFS}>, C<$ENV{CDPATH}>,
-C<$ENV{ENV}> or C<$ENV{BASH_ENV}> are derived from data supplied (or
-potentially supplied) by the user. The script must set the path to a
-known value, using trustworthy data. See L<perlsec>.
+C<$ENV{ENV}>, C<$ENV{BASH_ENV}> or C<$ENV{TERM}> are derived from data
+supplied (or potentially supplied) by the user. The script must set
+the path to a known value, using trustworthy data. See L<perlsec>.
=item Integer overflow in %s number
C<open(FH, "command |")> construction, but the command was missing or
blank.
+=item Missing control char name in \c
+
+(F) A double-quoted string ended with "\c", without the required control
+character name.
+
=item Missing name in "my sub"
(F) The reserved syntax for lexically scoped subroutines requires that
One possible workaround is to force Perl to use magical string increment
by prepending "0" to your numbers.
+=item read() on closed filehandle %s
+
+(W closed) You tried to read from a closed filehandle.
+
+=item read() on unopened filehandle %s
+
+(W unopened) You tried to read from a filehandle that was never opened.
+
=item readline() on closed filehandle %s
(W closed) The filehandle you're reading from got itself closed sometime
(F) The final summary message when a C<perl -c> succeeds.
+=item sysread() on closed filehandle %s
+
+(W closed) You tried to read from a closed filehandle.
+
+=item sysread() on unopened filehandle %s
+
+(W unopened) You tried to read from a filehandle that was never opened.
+
=item System V %s is not implemented on this machine
(F) You tried to do something with a function beginning with "sem",
(F) Your version of the C library apparently doesn't do times(). I
suspect you're not running on Unix.
+=item To%s: illegal mapping '%s'
+
+(F) You tried to define a customized To-mapping for lc(), lcfirst,
+uc(), or ucfirst() (or their string-inlined versions), but you
+specified an illegal mapping.
+See L<perlunicode/"User-Defined Character Properties">.
+
=item Too few args to syscall
(F) There has to be at least one argument to syscall() to specify the