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Group: 2.0 alpha/beta
Submitted By: claggner (claggner)
Assigned to: Nobody/Anonymous (nobody)
Summary: SMARTS: no default value for X
Patterns like "[OX]" give errors, because no number was
given after X. X stands for "number of total
connections" and should default to X1 when no number is
explicitely given, see http://www.daylight.com/dayhtml/ doc/theory/theory.smarts.html#RTFToC35. Can be
circumvented by explicitely writing "X1".