This is a utility for schematics and symbols for updating schematics
and symbols in old gEDA/gaf file formats. It updates attribute and
pin objects in files of version 20030921
or earlier up to the
current version of Lepton.
The usage is as follows:
lepton-update FILE ...
The program takes a number of schematic or symbol filenames on the command-line, makes a backup for each one, and then updates the files.
For both symbols and schematics, the program fixes obsolete text and pin format lines and sets the current format version.
For schematics, it replaces the label attribute on nets with netname, and uref with refdes.
For symbols, it changes them as follows: