doc: update seq description

* doc/coreutils.texi (seq invocation): Update an example and mention
that with the new constraints, seq can print arbitrarily large numbers.

diff --git a/doc/coreutils.texi b/doc/coreutils.texi
index f2620bc..cb4ad83 100644 (file)
--- a/doc/coreutils.texi
+++ b/doc/coreutils.texi
@@ -16249,12 +16249,16 @@ case is that @command{seq} works with integers through @math{2^{64}},
 and larger integers may not be numerically correct:
 
 @example
-$ seq 18446744073709551616 1 18446744073709551618
-18446744073709551616
-18446744073709551616
-18446744073709551618
+$ seq 50000000000000000000 2 50000000000000000004
+50000000000000000000
+50000000000000000000
+50000000000000000004
 @end example
 
+However, note that when limited to non-negative whole numbers,
+an increment of 1 and no format-specifying option, seq can print
+arbitrarily large numbers.
+
 Be careful when using @command{seq} with outlandish values: otherwise
 you may see surprising results, as @command{seq} uses floating point
 internally.  For example, on the x86 platform, where the internal