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Creating Footnotes in HTML Exports

Description yet to come....     <!DOCTYPE html> <html> <head> <title>Creating Footnotes</title> </head> <body lang="en-GB" link="#000080" vlink="#800000" dir="ltr"><p style="line-height: 100%; margin-bottom: 0cm"> Note one<a class="sdfootnoteanc" name="sdfootnote1anc" href="#sdfootnote1sym"><sup>1</sup></a>, note two<a class="sdfootnoteanc" name="sdfootnote2anc" href="#sdfootnote2sym"><sup>2</sup></a>. Note THREE<a class="sdfootnoteanc" name="sdfootnote3anc" href="#sdfootnote3sym"><sup>3</sup></a>. </p> <p style="line-height: 100%; margin-bottom: 0cm">Comment.<!-- My comment. --></p> <hr style="width:15%;margin-left:0"> <div id="sdfootnote1"><p class="sdfoot...
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Drawing a chessboard grid with graphic characters

╔═══╤═══╤═══╤═══╤═══╤═══╤═══╤═══╗ 8 ║ │ │ │ │ │ │ │ ║ ╟───┼───┼───┼───┼───┼───┼───┼───╢ 7 ║ │ │ │ │ │ │ │ ║ ╟───┼───┼───┼───┼───┼───┼───┼───╢ 6 ║ │ │ │ │ │ │ │ ║ ╟───┼───┼───┼───┼───┼───┼───┼───╢ 5 ║ │ │ │ │ │ │ │ ║ ╟───┼───┼───┼───┼───┼───┼───┼───╢ 4 ║ │ │ │ │ │ │ │ ║ ╟───┼───┼───┼───┼───┼───┼───┼───╢ 3 ║ │ │ │ │ │ │ │ ║ ╟───┼───┼───┼───┼───┼───┼───┼───╢ 2 ║ │ │ │ │ │ │ │ ║ ╟───┼───┼───┼───┼───┼───┼───┼───╢ 1 ║ │ │ │ │ │ │ │ ║ ╚═══╧═══╧═══╧═══╧═══╧═══╧═══╧═══╝ a b c d e f g h
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Simple Runtime Debugging Message Dialog

At times it's useful to see what values variables hold, or offer some pause point before the code goes elsewhere before causing havoc. Its possible to write output to the terminal but this can get lost in copious forms of other outputs, besides, there's no pausing the script execution either. The following proc creates a custom dialog which displays ad message along with the point in the calling script from which it was invoked. ## simple runtime debugging feedback dialog, alternative to console based gnocl::msg # @param msg message to display # @returns none # proc xxx::msg {txt} { set frame [info frame -1] append msg "Message:\n\n" append msg " $txt \n\n\n" append msg "Called from:\n\n" append msg "Proc:\t[lindex [info level -1] 0]\n" append msg "File:\t[file tail [dict get $frame file]]\n" append msg "Line:\t[dict get $frame line]\n" gnocl::dialog \ -type info \ -text $msg ...
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Custom Dialogs

 Description     ## project chooser dialog # @param    wid # @returns  none # @notes  Uses global array ::app to store restrieved values proc conze_project_chooser_dialog { wid } {             set dir $::app(dirs,projects)     set vbox [gnocl::vBox -data 0]     set lst [gnocl::list -columns 2 -types "string string" -headersVisible 0 ]     $lst columnConfigure 1 -visible 0     $vbox add $lst -fill {1 1} -expand 1          # create list of available projects     foreach d [lsort [glob -type d -directory $dir *]] {         $lst add [list [list [file tail $d] $d]]     }          # to right align completely, set expand and fill to 0     set hbox [gnocl::hBox]     set b1 [gnocl::button -text Select \  ...
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Creating a button box with right aligned widgets

The dialog widget has its own internal functionaluty to create and position buttons at the bottom right corner of the window container. When creating these for ourselves it must be born in mind that default settings for fill and expand are both 0.5. Failing to set these will always place the child objects in the centre, regardless of alignment. For most cases these defaults are acceptable but, to create that dialog-button arrangement, use the following snippet as a model!   # to right align completely, set expand and fill to 0 set hbox [gnocl::hBox] set b1 [gnocl::button -text Select \                -data $lst                 -onClicked { puts DO-SOMETHING-WITH-%d} ] set b2 [gnocl::button -text Cancel -onClicked { puts DONE! } ] $vbox add $hbox -expand 0 -fill 0 -align right $hbox add $b1 $hbox add $b2
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Changing Namespaces

I've been toying with the idea of changing the namespace used by gnocl, to something simplier, a proposition much more appealing now that I've begun migration to Gtk3 and soon to Gtk4. The changes from Gtk2 to Gtk4 will be subtantial due to many chages occuring within the Gtk api. Before committing myself, I thought how it would be useful to swap namespaces on the fly. So, here's a first quick solution:   package require -exact Gnocl 0.9.96 proc xxxx {ns1 ns2}  {     namespace eval ::${ns2} {}     set map [list $ns1 $ns2]          foreach type {commands vars procs } {         foreach item [info $type ${ns1}::*] {             set err ""             catch { rename $item [string map $map $item] } err             if { $err != "" } { puts $err }    ...
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