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What is the use of putting the grave accent after catcode?
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Can someone kindly explain why is there and what is the use of the ` in catcode`@=11?
I came across that while I'm learning TeX from The TeXbook.
Thank you very much.
tex-core
edited 8 hours ago
Mico
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Can someone kindly explain why is there and what is the use of the ` in catcode`@=11?
I came across that while I'm learning TeX from The TeXbook.
Thank you very much.
tex-core
edited 8 hours ago
Mico
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asked 8 hours ago
GuestGuest
111 bronze badge
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Welcome! I'd not vote to close as duplicate as this question is better worded (for future searches) and has a good answer, but I remember this question from the early days of this site :-)
– ShreevatsaR
3 hours ago
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Can someone kindly explain why is there and what is the use of the ` in catcode`@=11?
I came across that while I'm learning TeX from The TeXbook.
Thank you very much.
tex-core
edited 8 hours ago
Mico
307k33 gold badges423 silver badges835 bronze badges
asked 8 hours ago
GuestGuest
111 bronze badge
New contributor
Guest is a new contributor to this site. Take care in asking for clarification, commenting, and answering.
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Can someone kindly explain why is there and what is the use of the ` in catcode`@=11?
I came across that while I'm learning TeX from The TeXbook.
Thank you very much.
tex-core
tex-core
edited 8 hours ago
Mico
307k33 gold badges423 silver badges835 bronze badges
asked 8 hours ago
GuestGuest
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edited 8 hours ago
Mico
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edited 8 hours ago
Mico
307k33 gold badges423 silver badges835 bronze badges
edited 8 hours ago
Mico
307k33 gold badges423 silver badges835 bronze badges
edited 8 hours ago
Mico
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307k33 gold badges423 silver badges835 bronze badges
asked 8 hours ago
GuestGuest
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asked 8 hours ago
GuestGuest
111 bronze badge
asked 8 hours ago
GuestGuest
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111 bronze badge
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Welcome! I'd not vote to close as duplicate as this question is better worded (for future searches) and has a good answer, but I remember this question from the early days of this site :-)
– ShreevatsaR
3 hours ago
add a comment
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Welcome! I'd not vote to close as duplicate as this question is better worded (for future searches) and has a good answer, but I remember this question from the early days of this site :-)
– ShreevatsaR
3 hours ago
Welcome! I'd not vote to close as duplicate as this question is better worded (for future searches) and has a good answer, but I remember this question from the early days of this site :-)
– ShreevatsaR
3 hours ago
Welcome! I'd not vote to close as duplicate as this question is better worded (for future searches) and has a good answer, but I remember this question from the early days of this site :-)
– ShreevatsaR
3 hours ago
add a comment
|
1 Answer
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The tex syntax for a numeric literal are
123 % decimal
"12A % hex
'327 % octal
`@ % character value (= 64 here)
`@ % same as above
so
catcode`@=11
is the same as
catcode 64=11
and sets the catcode of character code 64 to 11, which has the effect of making @ a letter.
answered 8 hours ago
David CarlisleDavid Carlisle
525k44 gold badges1188 silver badges1962 bronze badges
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
The tex syntax for a numeric literal are
123 % decimal
"12A % hex
'327 % octal
`@ % character value (= 64 here)
`@ % same as above
so
catcode`@=11
is the same as
catcode 64=11
and sets the catcode of character code 64 to 11, which has the effect of making @ a letter.
answered 8 hours ago
David CarlisleDavid Carlisle
525k44 gold badges1188 silver badges1962 bronze badges
add a comment
|
The tex syntax for a numeric literal are
123 % decimal
"12A % hex
'327 % octal
`@ % character value (= 64 here)
`@ % same as above
so
catcode`@=11
is the same as
catcode 64=11
and sets the catcode of character code 64 to 11, which has the effect of making @ a letter.
answered 8 hours ago
David CarlisleDavid Carlisle
525k44 gold badges1188 silver badges1962 bronze badges
add a comment
|
The tex syntax for a numeric literal are
123 % decimal
"12A % hex
'327 % octal
`@ % character value (= 64 here)
`@ % same as above
so
catcode`@=11
is the same as
catcode 64=11
and sets the catcode of character code 64 to 11, which has the effect of making @ a letter.
answered 8 hours ago
David CarlisleDavid Carlisle
525k44 gold badges1188 silver badges1962 bronze badges
The tex syntax for a numeric literal are
123 % decimal
"12A % hex
'327 % octal
`@ % character value (= 64 here)
`@ % same as above
so
catcode`@=11
is the same as
catcode 64=11
and sets the catcode of character code 64 to 11, which has the effect of making @ a letter.
answered 8 hours ago
David CarlisleDavid Carlisle
525k44 gold badges1188 silver badges1962 bronze badges
answered 8 hours ago
David CarlisleDavid Carlisle
525k44 gold badges1188 silver badges1962 bronze badges
answered 8 hours ago
David CarlisleDavid Carlisle
525k44 gold badges1188 silver badges1962 bronze badges
answered 8 hours ago
David CarlisleDavid Carlisle
525k44 gold badges1188 silver badges1962 bronze badges
525k44 gold badges1188 silver badges1962 bronze badges
add a comment
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Welcome! I'd not vote to close as duplicate as this question is better worded (for future searches) and has a good answer, but I remember this question from the early days of this site :-)
– ShreevatsaR
3 hours ago