This is pdfTeX, Version 3.141592653-2.6-1.40.25 (TeX Live 2023/Debian) (preloaded format=latex 2024.11.17)  8 NOV 2025 16:58
entering extended mode
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**JetCore.tex
(./JetCore.tex
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! Undefined control sequence.
l.13 \chaptermark
                 {Introduction}
? q
OK, entering \batchmode...
 [2]
! Undefined control sequence.
l.23 \chaptermark
                 {Tags and Attributes}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.32 ...e from mysql may be performed using the \<
                                                  mysql\> tag
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.33 in combination with the \<
                               ifrow\>, \<whilerow\> and \<sql\> tags.
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.33 in combination with the \<ifrow\>, \<
                                          whilerow\> and \<sql\> tags.
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.33 ...on with the \<ifrow\>, \<whilerow\> and \<
                                                  sql\> tags.
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

! Undefined control sequence.
l.66 \chaptermark
                 {Variables and Variable Types}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

 [3]
! Undefined control sequence.
l.125 \chapter
              {Expressions}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

 [4]
! Undefined control sequence.
l.172 \chapter
              {Common Gateway Interface Features}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

 [5]
! Undefined control sequence.
l.218 \chapter
              {Tag Reference}
The control sequence at the end of the top line
of your error message was never \def'ed. If you have
misspelled it (e.g., `\hobx'), type `I' and the correct
spelling (e.g., `I\hbox'). Otherwise just continue,
and I'll forget about whatever was undefined.

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LaTeX2e <2023-11-01> patch level 1
L3 programming layer <2024-01-22>
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Here is how much of TeX's memory you used:
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 22827 multiletter control sequences out of 15000+600000
 560443 words of font info for 44 fonts, out of 8000000 for 9000
 1141 hyphenation exceptions out of 8191
 35i,6n,50p,160b,169s stack positions out of 10000i,1000n,20000p,200000b,200000s

Output written on JetCore.dvi (10 pages, 21424 bytes).