tclerror: no display name and no $display environment variable

by Radhe Gupta
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This is a bug in the tcl-tk library.

The tcl-tk library is a library that helps to support Tcl/Tk scripting language. This library allows you to write Tcl scripts that run in the background on a Tcl/Tk server.

Tcl is a language made up of modules, and those modules are called “tcl-modules.” A module is a separate unit of code that is defined by the language. It’s a code block that is defined by the language. The default name of the tcl-module is “default”, which is just the name of the module and doesn’t have any special meaning.

The default tcl-module is called tkDefault, but it can also be called tclkDefault, tcltkDefault, tcltkDefault, etc. When the TclTk library is loaded, it will look for tcl-modules that have the same name as the default module. If a tcl-module has the same name as the default, then that module is loaded (and also called default).

The problem however is that TclTk is loaded and called default when you start TclTk. It is not loaded and called default until you give it a certain environment variable, which is the $display variable. So if you don’t have that environment variable, then you can’t use TclTk. So you have to do some manual configuration by including the $display environment variable in your script.

This is a classic example of this problem, because tcl-error is not a standard Tcl module. And it is not a standard tcl-error. So you have to manually include the display environment variable in your script because the tcl-error.tcl module is loaded and called default.

The problem with this is that $display and $displayenv are only available in newer versions of Tcl. So you need to do some manual configuration to make it work.

Tcl is a very simple programming language with only a couple of commands. The simplest way to make it work is to change the $display environment variable to point to a file called tcl-error.tcl. That file is loaded and called default and then used by tcl-error.tcl.

It’s a good thing that Tcl was made for programmers, because I’m not sure how I would’ve set up my own development environment. My guess is that my development environment would be something like Visual Studio Express, which, by the way, is now the version of Visual Studio that most people use.

If you do have a development environment, then you can make your own, but there are some things that should be taken note of when using them. For example, Tcl doesn’t like you setting a value for the environment when the variable is not used. It might be a good idea to set your environment up to not use the environment you have.

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