lthooks: new `\ShowHook` command #3407

Job	Run time
Update TeX Live	19s
Documentation: base	2m 50s
Documentation: base	1m 29s
Documentation: base	3m 5s
Documentation: required	4m 27s
Tests: base - build - pdftex	2m 34s
Tests: base - build - xetex	2m 56s
Tests: base - build - luatex (<first> - m3expl009)	1m 52s
Tests: base - build - luatex (m3expl009 - tlb0001)	1m 40s
Tests: base - build - luatex (tlb0001 - tlcs01a)	2m 24s
Tests: base - build - luatex (tlcs01a - <last>)	1m 33s
Tests: base - config-1run	38s
Tests: base - config-TU	46s
Tests: base - config-legacy	33s
Tests: base - config-lthooks	45s
Tests: base - config-lthooks2	34s
Tests: base - config-ltcmd	47s
Tests: base - config-doc	1m 19s
Tests: base - config-ltmarks	26s
Tests: required/amsmath	1m 34s
Tests: required/cyrillic	34s
Tests: required/firstaid	1m 19s
Tests: required/graphics	53s
Tests: required/latex-lab - build	56s
Tests: required/latex-lab - config-OR	58s
Tests: required/latex-lab - config-math	1m 0s
Tests: required/latex-lab - config-OR-luatex	1m 23s
Tests: required/latex-lab - config-sec	51s
Tests: required/latex-lab - config-toc	1m 16s
Tests: required/latex-lab - config-block	1m 16s
Tests: required/latex-lab - config-LM-tagging	51s
Tests: required/latex-lab - config-graphic	1m 15s
Tests: required/latex-lab - config-minipage	54s
Tests: required/latex-lab - config-float	1m 6s
Tests: required/latex-lab - config-bib	1m 10s
Tests: required/latex-lab - config-table-pdftex	1m 11s
Tests: required/latex-lab - config-table-luatex	1m 32s
Tests: required/tools	1m 0s
Send notifications	0s
	51m 56s

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