10.85.1 Top new questions this week

10.85.1.1 Is TeX still the base of it all?
10.85.1.2 Obtaining the absolute minimal, original TeX engine
10.85.1.3 LaTeX3 with catcode changes
10.85.1.4 how to use the \< command in the tabbing environment?
10.85.1.5 How to insert one blank page after every current page in the [limited area] of document?
10.85.1.6 With a sense of humor, just for fun. TeX and 3d printers
10.85.1.7 Conditional anchor positioning based on pgf keys
10.85.1.1 Is TeX still the base of it all?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733779

In many discussions I have learned, that there were many improvements over the years, making TeX more convinient. But, my question is: Is the original program still present and of use? 
Down to the ... 
[tex-core] [plain-tex]
 
asked by MBE https://tex.stackexchange.com/landing/r/digest?cta=user&id=284656 Score of 10
answered by David Carlisle https://tex.stackexchange.com/landing/r/digest?cta=user&id=1090 Score of 22
10.85.1.2 Obtaining the absolute minimal, original TeX engine

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733864

I'm trying to obtain the absolute minimal, original TeX engine on my Windows 11, as close as possible to what Donald Knuth originally envisioned. I'm not looking for any pre-packaged distributions ... 
[compiling] [tex-core] [windows] [knuth] [minimal]
 
asked by Aniss Benthami https://tex.stackexchange.com/landing/r/digest?cta=user&id=367607 Score of 8
answered by jarnowic https://tex.stackexchange.com/landing/r/digest?cta=user&id=52679 Score of 6
10.85.1.3 LaTeX3 with catcode changes

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733904

This worked years ago where l3cctab was an own package. It is now included into expl3: 
\documentclass{article} 
\usepackage{xparse,expl3} 
\ExplSyntaxOn 
\cctab_new:N \l_ctx_cctab 
\cctab_gset:Nn \... 
[latex3] [catcodes]
 
asked by user187802 https://tex.stackexchange.com/landing/r/digest?cta=user&id=187802 Score of 8
answered by egreg https://tex.stackexchange.com/landing/r/digest?cta=user&id=4427 Score of 4
10.85.1.4 how to use the \< command in the tabbing environment?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733826

Excuse my ignorance, but how does the \< command (in tabbing) work? This document gets ! LaTeX Error: Undefined tab position. 
\documentclass{article} 
\begin{document} 
\begin{tabbing} 
\hspace{1in}\=\... 
[tabbing]
 
asked by Karl Berry https://tex.stackexchange.com/landing/r/digest?cta=user&id=63279 Score of 8
answered by cfr https://tex.stackexchange.com/landing/r/digest?cta=user&id=39222 Score of 11
10.85.1.5 How to insert one blank page after every current page in the [limited area] of document?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733669

Setup 
Windows11; TeXLive2024; WinEdt11; PDFLaTeX. 
The statement of my problem 
I intended to apply this method to insert one blank page after every current page of document partially(locally). 
As is ... 
[blank-page] [hooks] [shipout] [atbegshi]
 
asked by JohnsonL https://tex.stackexchange.com/landing/r/digest?cta=user&id=367065 Score of 6
answered by Ulrike Fischer https://tex.stackexchange.com/landing/r/digest?cta=user&id=2388 Score of 5
10.85.1.6 With a sense of humor, just for fun. TeX and 3d printers

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733591

Please, do not be too serious. 
TeX is the digital version of Gutenbergs typesetting. 
Now, how about taking it the other way around? 
With TeX and modern 3d printers, it should be possible, to produce ... 
[3d] [fun]
 
asked by MBE https://tex.stackexchange.com/landing/r/digest?cta=user&id=284656 Score of 6
answered by samcarter_is_at_topanswers.xyz https://tex.stackexchange.com/landing/r/digest?cta=user&id=36296 Score of 11
10.85.1.7 Conditional anchor positioning based on pgf keys

https://tex.stackexchange.com/landing/r/digest?cta=question&id=733635

Is it possible to position an anchor based on the value of a PGF key at the time the node is created? Here is one of my many attempts at getting this to work (all of which have been unsuccessful): 
\... 
[tikz-pgf] [anchor]
 
asked by karlh https://tex.stackexchange.com/landing/r/digest?cta=user&id=305442 Score of 6
answered by karlh https://tex.stackexchange.com/landing/r/digest?cta=user&id=305442 Score of 5