At Jim Fulton's request, increase the maxstring value of _saferepr to
a more reasonable value.
Backport candidate.
diff --git a/Lib/pdb.py b/Lib/pdb.py
index 2a8a9e3..4b0516d 100755
--- a/Lib/pdb.py
+++ b/Lib/pdb.py
@@ -8,10 +8,16 @@
import linecache
import cmd
import bdb
-from repr import repr as _saferepr
+from repr import Repr
import os
import re
+# Create a custom safe Repr instance and increase its maxstring.
+# The default of 30 truncates error messages too easily.
+_repr = Repr()
+_repr.maxstring = 200
+_saferepr = _repr.repr
+
__all__ = ["run", "pm", "Pdb", "runeval", "runctx", "runcall", "set_trace",
"post_mortem", "help"]