[NTG-context] Log overful boxes

Hans Hagen j.hagen at xs4all.nl
Wed Mar 3 17:41:30 CET 2021


On 2/28/2021 6:46 PM, denis.maier at ub.unibe.ch wrote:
> How can you add information about underfulor overful boxes to the log? Ideally both vboxes and hboxes.
\starttext
     \hbox to 10cm {abc}
     \hbox to  0cm {abc}
\stoptext

gives me (in lmtx) this in th elog

Underfull \hbox (badness 10000) detected at line 8
<2: lmroman12-regular @ 12.0pt> abc

\hbox[normal][16=1,17=1], width 284.52756, height 8.32343, depth 
0.11993, direction l2r
.\list
..\glyph[32768][16=1,17=1], language (n=1,l=2,r=3), hyphenationmode 63, 
options 128 , font <2: lmroman12-regular @ 12.0pt>, glyph U+000061 a
..\glyph[32768][16=1,17=1], language (n=1,l=2,r=3), hyphenationmode 63, 
options 128 , font <2: lmroman12-regular @ 12.0pt>, glyph U+000062 b
..\kern[font], amount 0.32382
..\glyph[32768][16=1,17=1], language (n=1,l=2,r=3), hyphenationmode 63, 
options 128 , font <2: lmroman12-regular @ 12.0pt>, glyph U+000063 c


Overfull \hbox (17.94214pt too wide) detected at line 9
<2: lmroman12-regular @ 12.0pt> abc

\hbox[normal][16=1,17=1], height 8.32343, depth 0.11993, direction l2r
.\list
..\glyph[32768][16=1,17=1], language (n=1,l=2,r=3), hyphenationmode 63, 
options 128 , font <2: lmroman12-regular @ 12.0pt>, glyph U+000061 a
..\glyph[32768][16=1,17=1], language (n=1,l=2,r=3), hyphenationmode 63, 
options 128 , font <2: lmroman12-regular @ 12.0pt>, glyph U+000062 b
..\kern[font], amount 0.32382
..\glyph[32768][16=1,17=1], language (n=1,l=2,r=3), hyphenationmode 63, 
options 128 , font <2: lmroman12-regular @ 12.0pt>, glyph U+000063 c

and on the console just:

Underfull \hbox (badness 10000) detected at line 8
<2: lmroman12-regular @ 12.0pt> abc

Overfull \hbox (17.94214pt too wide) detected at line 9
<2: lmroman12-regular @ 12.0pt> abc

but you can get details on the console with

   \tracingonline = 1

which is no fun with for instance

\starttext
     \bgroup
         \tracingonline1
         \hbox to 0cm {\input tufte }
     \egroup
\stoptext

but anyhow shows you a bit how tex sees it.

Hans

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