cmdr
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Bounty program for improvements to Tcl and certain Tcl packages.
Tcl 2019 Conference, Houston/TX, US, Nov 4-8
Send your abstracts to tclconference@googlegroups.com
or submit via the online form by Sep 9.

Artifact 43b9d797fa9e16122967278002134acd544b3d76:


0000: 0a 4f 66 20 74 68 65 20 66 6f 75 72 20 63 61 6c  .Of the four cal
0010: 6c 62 61 63 6b 73 20 73 75 70 70 6f 72 74 65 64  lbacks supported
0020: 20 62 79 20 70 61 72 61 6d 65 74 65 72 73 20 74   by parameters t
0030: 68 65 20 66 69 72 73 74 20 74 77 6f 2c 0a 5b 63  he first two,.[c
0040: 6d 64 20 67 65 6e 65 72 61 74 65 5d 20 61 6e 64  md generate] and
0050: 20 5b 63 6d 64 20 76 61 6c 69 64 61 74 65 5d 20   [cmd validate] 
0060: 68 61 76 65 20 62 65 65 6e 20 64 65 73 63 72 69  have been descri
0070: 62 65 64 20 61 6c 72 65 61 64 79 2c 20 69 6e 20  bed already, in 
0080: 74 68 65 0a 73 65 63 74 69 6f 6e 73 20 5b 73 65  the.sections [se
0090: 63 74 72 65 66 20 52 65 70 72 65 73 65 6e 74 61  ctref Representa
00a0: 74 69 6f 6e 73 5d 20 61 6e 64 20 5b 73 65 63 74  tions] and [sect
00b0: 72 65 66 20 56 61 6c 69 64 61 74 69 6f 6e 5d 2c  ref Validation],
00c0: 0a 72 65 73 70 65 63 74 69 76 65 6c 79 2e 0a 0a  .respectively...
00d0: 5b 70 61 72 61 5d 20 54 68 69 73 20 73 65 63 74  [para] This sect
00e0: 69 6f 6e 20 65 78 70 6c 61 69 6e 73 20 74 68 65  ion explains the
00f0: 20 63 6f 6d 6d 6f 6e 61 6c 69 74 69 65 73 20 62   commonalities b
0100: 65 74 77 65 65 6e 20 74 68 65 20 63 61 6c 6c 62  etween the callb
0110: 61 63 6b 73 0a 69 6e 20 67 65 6e 65 72 61 6c 2c  acks.in general,
0120: 20 61 6e 64 20 74 68 65 20 6c 61 73 74 20 74 77   and the last tw
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0150: 20 63 68 61 6e 67 65 73 20 69 6e 0a 64 65 74 61   changes in.deta
0160: 69 6c 2e 0a 0a 5b 70 61 72 61 5d 20 41 6c 6c 20  il...[para] All 
0170: 63 61 6c 6c 62 61 63 6b 73 20 61 72 65 20 74 72  callbacks are tr
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0190: 20 70 72 65 66 69 78 65 73 2c 20 6e 6f 74 20 73   prefixes, not s
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01c0: 72 20 73 75 62 73 74 69 74 75 74 69 6f 6e 73 2c  r substitutions,
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0200: 69 6e 76 6f 6b 61 74 69 6f 6e 2e 20 54 68 69 73  invokation. This
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0290: 70 61 72 61 5d 20 54 68 65 20 74 77 6f 20 63 61  para] The two ca
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03a0: 65 67 69 6e 20 64 65 66 69 6e 69 74 69 6f 6e 73  egin definitions
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0d30: 0a                                               .