Is it possible to display all boxes I am currently in?

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I'm currently reading Knuth's TeXbook. As an educational reference, is there a way to display a hierarchical list of all boxes I am currently "in" (in other words, I'm typing the document interactively, and at some point, I wish to see the boxes TeX is in the process of creating at the current instant), and ideally, also be able to display their contents?

Knuth mentions the primitive showbox, but it seems (to me) that it requires first for one to run setbox, and furthermore, it seems to tell me nothing about what I have typed so far.

asked 4 hours ago

extremeaxe5

1133

New contributor

showlists is what you want here
â€“Â David Carlisle
3 hours ago

add a commentÂ |Â

up vote
2
down vote

favorite

Knuth mentions the primitive showbox, but it seems (to me) that it requires first for one to run setbox, and furthermore, it seems to tell me nothing about what I have typed so far.

asked 4 hours ago

extremeaxe5

1133

New contributor

showlists is what you want here
â€“Â David Carlisle
3 hours ago

add a commentÂ |Â

up vote
2
down vote

favorite

Knuth mentions the primitive showbox, but it seems (to me) that it requires first for one to run setbox, and furthermore, it seems to tell me nothing about what I have typed so far.

asked 4 hours ago

extremeaxe5

1133

New contributor

Knuth mentions the primitive showbox, but it seems (to me) that it requires first for one to run setbox, and furthermore, it seems to tell me nothing about what I have typed so far.

tex-core

asked 4 hours ago

extremeaxe5

1133

New contributor

asked 4 hours ago

extremeaxe5

1133

New contributor

asked 4 hours ago

extremeaxe5

1133

New contributor

asked 4 hours ago

extremeaxe5

1133

asked 4 hours ago

extremeaxe5

1133

New contributor

extremeaxe5 is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
Check out our Code of Conduct.

showlists is what you want here
â€“Â David Carlisle
3 hours ago

add a commentÂ |Â

showlists is what you want here
â€“Â David Carlisle
3 hours ago

showlists is what you want here
â€“Â David Carlisle
3 hours ago

add a commentÂ |Â

1 Answer
1

active

oldest

votes

up vote
4
down vote

accepted

tracingonline1

aa

vbox

bb hboxccc showlists

bye

Produces a terminal output of

This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdftex)
 restricted write18 enabled.
entering extended mode
(./aa910.tex

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### internal vertical mode entered at line 5
prevdepth ignored
### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.
total height 10.0
 goal height 643.20255
prevdepth 0.0, prevgraf 1 line

! OK.
l.7 bb hbox{ccc showlists

?

so at the point it stopped

yu see you are in a restricted hlist (=hbox)

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

That was in an unrestricted hlist (=paragraph before it is broken into lines

### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

and the paragraph was in a vertical list from the top of the page that already has a hbox for the line aa

### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.

If you want to see longer lists without being truncated to etc. add

showboxbreadth=1000

at the top

also

showboxdepth=1000

but that makes no difference in this case as this example has no deep nesting.

answered 3 hours ago

David Carlisle

468k3810961821

add a commentÂ |Â

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1 Answer
1

active

oldest

votes

1 Answer
1

active

oldest

votes

up vote
4
down vote

accepted

tracingonline1

aa

vbox

bb hboxccc showlists

bye

Produces a terminal output of

This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdftex)
 restricted write18 enabled.
entering extended mode
(./aa910.tex

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### internal vertical mode entered at line 5
prevdepth ignored
### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.
total height 10.0
 goal height 643.20255
prevdepth 0.0, prevgraf 1 line

! OK.
l.7 bb hbox{ccc showlists

?

so at the point it stopped

yu see you are in a restricted hlist (=hbox)

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

That was in an unrestricted hlist (=paragraph before it is broken into lines

### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

and the paragraph was in a vertical list from the top of the page that already has a hbox for the line aa

### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.

If you want to see longer lists without being truncated to etc. add

showboxbreadth=1000

at the top

also

showboxdepth=1000

but that makes no difference in this case as this example has no deep nesting.

answered 3 hours ago

David Carlisle

468k3810961821

add a commentÂ |Â

up vote
4
down vote

accepted

tracingonline1

aa

vbox

bb hboxccc showlists

bye

Produces a terminal output of

This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdftex)
 restricted write18 enabled.
entering extended mode
(./aa910.tex

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### internal vertical mode entered at line 5
prevdepth ignored
### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.
total height 10.0
 goal height 643.20255
prevdepth 0.0, prevgraf 1 line

! OK.
l.7 bb hbox{ccc showlists

?

so at the point it stopped

yu see you are in a restricted hlist (=hbox)

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

That was in an unrestricted hlist (=paragraph before it is broken into lines

### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

and the paragraph was in a vertical list from the top of the page that already has a hbox for the line aa

### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.

If you want to see longer lists without being truncated to etc. add

showboxbreadth=1000

at the top

also

showboxdepth=1000

but that makes no difference in this case as this example has no deep nesting.

answered 3 hours ago

David Carlisle

468k3810961821

add a commentÂ |Â

up vote
4
down vote

accepted

tracingonline1

aa

vbox

bb hboxccc showlists

bye

Produces a terminal output of

This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdftex)
 restricted write18 enabled.
entering extended mode
(./aa910.tex

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### internal vertical mode entered at line 5
prevdepth ignored
### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.
total height 10.0
 goal height 643.20255
prevdepth 0.0, prevgraf 1 line

! OK.
l.7 bb hbox{ccc showlists

?

so at the point it stopped

yu see you are in a restricted hlist (=hbox)

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

That was in an unrestricted hlist (=paragraph before it is broken into lines

### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

and the paragraph was in a vertical list from the top of the page that already has a hbox for the line aa

### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.

If you want to see longer lists without being truncated to etc. add

showboxbreadth=1000

at the top

also

showboxdepth=1000

but that makes no difference in this case as this example has no deep nesting.

answered 3 hours ago

David Carlisle

468k3810961821

tracingonline1

aa

vbox

bb hboxccc showlists

bye

Produces a terminal output of

This is pdfTeX, Version 3.14159265-2.6-1.40.19 (TeX Live 2018) (preloaded format=pdftex)
 restricted write18 enabled.
entering extended mode
(./aa910.tex

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000
### internal vertical mode entered at line 5
prevdepth ignored
### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.
total height 10.0
 goal height 643.20255
prevdepth 0.0, prevgraf 1 line

! OK.
l.7 bb hbox{ccc showlists

?

so at the point it stopped

yu see you are in a restricted hlist (=hbox)

### restricted horizontal mode entered at line 7
tenrm c
tenrm c
tenrm c
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

That was in an unrestricted hlist (=paragraph before it is broken into lines

### horizontal mode entered at line 7
hbox(0.0+0.0)x20.0
tenrm b
tenrm b
glue 3.33333 plus 1.66666 minus 1.11111
spacefactor 1000

and the paragraph was in a vertical list from the top of the page that already has a hbox for the line aa

### vertical mode entered at line 0
### current page:
glue(topskip) 5.69446
hbox(4.30554+0.0)x469.75499, glue set 439.75496fil
.hbox(0.0+0.0)x20.0
.tenrm a
.tenrm a
.penalty 10000
.glue(parfillskip) 0.0 plus 1.0fil
.etc.

If you want to see longer lists without being truncated to etc. add

showboxbreadth=1000

at the top

also

showboxdepth=1000

but that makes no difference in this case as this example has no deep nesting.

answered 3 hours ago

David Carlisle

468k3810961821

answered 3 hours ago

David Carlisle

468k3810961821

answered 3 hours ago

David Carlisle

468k3810961821

answered 3 hours ago

David Carlisle

468k3810961821

add a commentÂ |Â

extremeaxe5 is a new contributor. Be nice, and check out our Code of Conduct.

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