Bug fixes:
-Fixed a problem with @IndexBText
-MAX_STACK in z06.c increased (again) to 250.
-Rare crash at "env = SetEnv(res, env);" given truly horrible patch.
-@Pie totalweight default was not inherited from @PieSetup; fixed now.
-@DefinitionTitleFormat, @ClaimTitleFormat, @PropositionTitleFormat,
-@LemmaTitleFormat, @CorollaryTitleFormat, @ExampleTitleFormat fixed.
-Problem with eogonek in titles (Kamil Rytarowski, Uwe) fixed.
Features:
-JavaScript and Tcl languages added to prg2lout.c (Mark Summerfield).
-@Place symbol now available when setting setup file options.
-New version of @Graph with @GraphSetup symbol in setup file. Should
be 100% backward compatible, if not use @SysInclude { old_graph }.
-New ISOB4, ISOB5, JISB4, and JISB5 paper sizes. The old B4 and B5
sizes are still available unchanged, though now deprecated.
-New @Diag options: outlinecolour for nodes, pathcolour for links.
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