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Zero in math-block not visible in rendering
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Description

List of steps to reproduce (step by step, including full links if applicable):

  • Type <math>0</math> in the source code
  • See that nothing is printed
  • I found out about the problem here: https://de.wikipedia.org/wiki/Rang_(Mathematik)#Eigenschaften, section "Eigenschaften", "Die einzige Matrix mit Rang ..." -> Then there should be a visible zero but there is nothing (see screenshot below). The network debug tool of my browser indicates that there was no transmission problem.

What happens?:

image.png (141×465 px, 14 KB)

What should have happened instead?:

A zero should appear. Adding a space after the zero in the <math>-block makes the zero visible.

Software version (if not a Wikimedia wiki), browser information, screenshots, other information, etc:

Recent Windows 10 (21H1), recent Chrome browser (version 92.0.4515.159, official build, 64-Bit)

Event Timeline

Ah, the first couple of lines of the source code are (as of this version):

== Eigenschaften ==

Seien im Folgenden <math>m, n, l \in \mathbb{N}</math>. 
* Die einzige Matrix mit Rang <math>0</math> ist die [[Nullmatrix]] <math>0_{m,n}</math>&nbsp;. Die <math>n\!\times\!n</math>-[[Einheitsmatrix]] <math>E_n</math> hat den vollen Rang <math>n</math>.
* Für den Rang einer <math>m\!\times\!n</math>-Matrix <math>A</math> gilt: