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Ell authored
script-fu used to query the information of every PDB procedure on startup, in order to get the number of parameters for each procedure. This was done so that nullary procedures were defined in such a way as to accept (and ignore) any number of arguments (and at least one of the scripts we ship relies on this behavior). However, this requires expensive back-and-forth communication with the main GIMP process, which notable slowed down script-fu's startup, and had a non-negligible impact on GIMP's startup time. Instead, avoid querying procedure information, and implement the special behavior for nullary procedures at call time. We do this by defining, in addition to the "strict" gimp-proc-db-call procedure, a "permissive" -gimp-proc-db-call internal procedure, and using the latter to call the predefined PDB procedures.
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