master
Fix pl/tcl's handling of errors from Tcl_ListObjGetElements().
Improve PL/Tcl's method for choosing Tcl names of procedures.
Remove environment sensitivity in pl/tcl regression test.
Invent start_proc parameters for PL/Tcl.
Add a "subtransaction" command to PL/Tcl.
Virtual generated columns
EUC_CN, EUC_JP, EUC_KR, EUC_TW: Skip U+00A0 tests instead of failing.