Mixing
Displaying a character in math mode from its Unicode encoding
Can someone tell me what I am doing wrong or simply tell me how I can use the coptic letter "Me" in math mode?
I want to use a coptic letter in a mathematical expression in my TeX document. From my very limited understanding of how all these things work I read that "XeTeX and LuaTeX support Unicode".
Not entirely sure what that actually means I came across the (XeTeX and LuaTex) commands char"xxxx, symbol{xxxx} and ^^^^xxxx only to find out that I have no idea how to actually use them. I tried out this little code example:
documentclass{article}
usepackage{fontspec}
usepackage{unicode-math}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
char"00a9, char"2764, char"2C98 \
par
And now again in math mode: \
$char"00a9, char"2764, char"2C98 $
end{document}
Which yielded the following output:
Similarly, with the second command I get:
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
symbol{00a9}, symbol{2764}, symbol{2C98} \
par
And now again in math mode: \
$symbol{00a9}, symbol{2764}, symbol{2C98}$
and for the last one I even get an error message:
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
^^^^00a9, ^^^^2764, ^^^^2C98 \
par
And now again in math mode: \
$^^^^00a9, ^^^^2764, ^^^^2C98$
yields
! ^^^^ needs four hex digits. ^^^^ 00a9, ^^^^2764, ^
xetex symbols luatex unicode unicode-math
asked Jan 27 at 18:23
chickenNinja123chickenNinja123
83
add a comment |
Can someone tell me what I am doing wrong or simply tell me how I can use the coptic letter "Me" in math mode?
I want to use a coptic letter in a mathematical expression in my TeX document. From my very limited understanding of how all these things work I read that "XeTeX and LuaTeX support Unicode".
Not entirely sure what that actually means I came across the (XeTeX and LuaTex) commands char"xxxx, symbol{xxxx} and ^^^^xxxx only to find out that I have no idea how to actually use them. I tried out this little code example:
documentclass{article}
usepackage{fontspec}
usepackage{unicode-math}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
char"00a9, char"2764, char"2C98 \
par
And now again in math mode: \
$char"00a9, char"2764, char"2C98 $
end{document}
Which yielded the following output:
Similarly, with the second command I get:
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
symbol{00a9}, symbol{2764}, symbol{2C98} \
par
And now again in math mode: \
$symbol{00a9}, symbol{2764}, symbol{2C98}$
and for the last one I even get an error message:
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
^^^^00a9, ^^^^2764, ^^^^2C98 \
par
And now again in math mode: \
$^^^^00a9, ^^^^2764, ^^^^2C98$
yields
! ^^^^ needs four hex digits. ^^^^ 00a9, ^^^^2764, ^
xetex symbols luatex unicode unicode-math
asked Jan 27 at 18:23
chickenNinja123chickenNinja123
83
2
you are using the default latin modern fonts which do not have that character (there will be missing glyph warnings in the log)
– David Carlisle
Jan 27 at 18:30
hex digits must be lowercase for the^^notation (and must be uppercase if used as a number with") so^^^^00a9is an error.
– David Carlisle
Jan 27 at 18:31
See this question and addtracinglostchars=2to all your.texfiles. IMO it's a bug in TeX, inherited by XeTeX, that missing characters not only allow the program to complete successfully, but also have the warning hidden in the log file by default.
– ShreevatsaR
Jan 28 at 0:27
add a comment |
Can someone tell me what I am doing wrong or simply tell me how I can use the coptic letter "Me" in math mode?
I want to use a coptic letter in a mathematical expression in my TeX document. From my very limited understanding of how all these things work I read that "XeTeX and LuaTeX support Unicode".
Not entirely sure what that actually means I came across the (XeTeX and LuaTex) commands char"xxxx, symbol{xxxx} and ^^^^xxxx only to find out that I have no idea how to actually use them. I tried out this little code example:
documentclass{article}
usepackage{fontspec}
usepackage{unicode-math}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
char"00a9, char"2764, char"2C98 \
par
And now again in math mode: \
$char"00a9, char"2764, char"2C98 $
end{document}
Which yielded the following output:
Similarly, with the second command I get:
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
symbol{00a9}, symbol{2764}, symbol{2C98} \
par
And now again in math mode: \
$symbol{00a9}, symbol{2764}, symbol{2C98}$
and for the last one I even get an error message:
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
^^^^00a9, ^^^^2764, ^^^^2C98 \
par
And now again in math mode: \
$^^^^00a9, ^^^^2764, ^^^^2C98$
yields
! ^^^^ needs four hex digits. ^^^^ 00a9, ^^^^2764, ^
xetex symbols luatex unicode unicode-math
asked Jan 27 at 18:23
chickenNinja123chickenNinja123
83
Can someone tell me what I am doing wrong or simply tell me how I can use the coptic letter "Me" in math mode?
I want to use a coptic letter in a mathematical expression in my TeX document. From my very limited understanding of how all these things work I read that "XeTeX and LuaTeX support Unicode".
Not entirely sure what that actually means I came across the (XeTeX and LuaTex) commands char"xxxx, symbol{xxxx} and ^^^^xxxx only to find out that I have no idea how to actually use them. I tried out this little code example:
documentclass{article}
usepackage{fontspec}
usepackage{unicode-math}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
char"00a9, char"2764, char"2C98 \
par
And now again in math mode: \
$char"00a9, char"2764, char"2C98 $
end{document}
Which yielded the following output:
Similarly, with the second command I get:
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
symbol{00a9}, symbol{2764}, symbol{2C98} \
par
And now again in math mode: \
$symbol{00a9}, symbol{2764}, symbol{2C98}$
and for the last one I even get an error message:
Trying to display the symbols ©, ❤ and the coptic letter "Me": \
^^^^00a9, ^^^^2764, ^^^^2C98 \
par
And now again in math mode: \
$^^^^00a9, ^^^^2764, ^^^^2C98$
yields
! ^^^^ needs four hex digits. ^^^^ 00a9, ^^^^2764, ^
xetex symbols luatex unicode unicode-math
xetex symbols luatex unicode unicode-math
asked Jan 27 at 18:23
chickenNinja123chickenNinja123
83
asked Jan 27 at 18:23
chickenNinja123chickenNinja123
83
asked Jan 27 at 18:23
chickenNinja123chickenNinja123
83
asked Jan 27 at 18:23
chickenNinja123chickenNinja123
83
asked Jan 27 at 18:23
chickenNinja123chickenNinja123
83
83
2
you are using the default latin modern fonts which do not have that character (there will be missing glyph warnings in the log)
– David Carlisle
Jan 27 at 18:30
hex digits must be lowercase for the^^notation (and must be uppercase if used as a number with") so^^^^00a9is an error.
– David Carlisle
Jan 27 at 18:31
See this question and addtracinglostchars=2to all your.texfiles. IMO it's a bug in TeX, inherited by XeTeX, that missing characters not only allow the program to complete successfully, but also have the warning hidden in the log file by default.
– ShreevatsaR
Jan 28 at 0:27
add a comment |
2
you are using the default latin modern fonts which do not have that character (there will be missing glyph warnings in the log)
– David Carlisle
Jan 27 at 18:30
hex digits must be lowercase for the^^notation (and must be uppercase if used as a number with") so^^^^00a9is an error.
– David Carlisle
Jan 27 at 18:31
See this question and addtracinglostchars=2to all your.texfiles. IMO it's a bug in TeX, inherited by XeTeX, that missing characters not only allow the program to complete successfully, but also have the warning hidden in the log file by default.
– ShreevatsaR
Jan 28 at 0:27
2
2
you are using the default latin modern fonts which do not have that character (there will be missing glyph warnings in the log)
– David Carlisle
Jan 27 at 18:30
you are using the default latin modern fonts which do not have that character (there will be missing glyph warnings in the log)
– David Carlisle
Jan 27 at 18:30
hex digits must be lowercase for the
^^ notation (and must be uppercase if used as a number with ") so ^^^^00a9 is an error.– David Carlisle
Jan 27 at 18:31
hex digits must be lowercase for the
^^ notation (and must be uppercase if used as a number with ") so ^^^^00a9 is an error.– David Carlisle
Jan 27 at 18:31
See this question and add
tracinglostchars=2 to all your .tex files. IMO it's a bug in TeX, inherited by XeTeX, that missing characters not only allow the program to complete successfully, but also have the warning hidden in the log file by default.– ShreevatsaR
Jan 28 at 0:27
See this question and add
tracinglostchars=2 to all your .tex files. IMO it's a bug in TeX, inherited by XeTeX, that missing characters not only allow the program to complete successfully, but also have the warning hidden in the log file by default.– ShreevatsaR
Jan 28 at 0:27
add a comment |
2 Answers
2
active
oldest
votes
You need a font that has the character. On my machine Firefox used Segoe UI Symbol to display this, so I used the same in lualatex:
documentclass{article}
usepackage{fontspec}
usepackage{amsmath}
usepackage{unicode-math}
newfontfamilyzzzz{Segoe UI Symbol}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me" {zzzz(Ⲙ)}:
And now again in math mode: \
$ text{zzzz Ⲙ} $
end{document}
answered Jan 27 at 18:45
David CarlisleDavid Carlisle
496k4111421889
add a comment |
Note that char"00a9 will try to print the character in slot 0 and then “a9”, because TeX hexadecimal numeric notation requires uppercase letters. To the contrary, the ^^^^ notation requires lowercase letters.
So either char"00A9 or ^^^^00a9. They can't be mixed. There's a big difference among the two: the former is an instruction to print the glyph in position "00A9 of the current font, the latter is the character U+00A9.
Now, if the current font, be it in text mode or math mode (what's the current font in math mode depends on many factors) doesn't contain a glyph at a certain position, no fallback is used in XeLaTeX or LuaLaTeX and so you end up with no glyph (or a placeholder).
In order to obtain a glyph in a different font, you have to declare what font to use.
At this point, if you want to use the Coptic letter Me in math, you can even declare it as a math symbol.
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
begin{document}
$Me+Me$
end{document}
You can even be bold and use the symbol itself in math:
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
Umathcode`Ⲙ="0 symcoptic "2C98
begin{document}
$Me+Me$
$Ⲙ+Ⲙ$
end{document}
answered Jan 27 at 22:10
egregegreg
729k8819263237
add a comment |
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2 Answers
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active
oldest
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2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
You need a font that has the character. On my machine Firefox used Segoe UI Symbol to display this, so I used the same in lualatex:
documentclass{article}
usepackage{fontspec}
usepackage{amsmath}
usepackage{unicode-math}
newfontfamilyzzzz{Segoe UI Symbol}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me" {zzzz(Ⲙ)}:
And now again in math mode: \
$ text{zzzz Ⲙ} $
end{document}
answered Jan 27 at 18:45
David CarlisleDavid Carlisle
496k4111421889
add a comment |
You need a font that has the character. On my machine Firefox used Segoe UI Symbol to display this, so I used the same in lualatex:
documentclass{article}
usepackage{fontspec}
usepackage{amsmath}
usepackage{unicode-math}
newfontfamilyzzzz{Segoe UI Symbol}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me" {zzzz(Ⲙ)}:
And now again in math mode: \
$ text{zzzz Ⲙ} $
end{document}
answered Jan 27 at 18:45
David CarlisleDavid Carlisle
496k4111421889
add a comment |
You need a font that has the character. On my machine Firefox used Segoe UI Symbol to display this, so I used the same in lualatex:
documentclass{article}
usepackage{fontspec}
usepackage{amsmath}
usepackage{unicode-math}
newfontfamilyzzzz{Segoe UI Symbol}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me" {zzzz(Ⲙ)}:
And now again in math mode: \
$ text{zzzz Ⲙ} $
end{document}
answered Jan 27 at 18:45
David CarlisleDavid Carlisle
496k4111421889
You need a font that has the character. On my machine Firefox used Segoe UI Symbol to display this, so I used the same in lualatex:
documentclass{article}
usepackage{fontspec}
usepackage{amsmath}
usepackage{unicode-math}
newfontfamilyzzzz{Segoe UI Symbol}
begin{document}
Trying to display the symbols ©, ❤ and the coptic letter "Me" {zzzz(Ⲙ)}:
And now again in math mode: \
$ text{zzzz Ⲙ} $
end{document}
answered Jan 27 at 18:45
David CarlisleDavid Carlisle
496k4111421889
answered Jan 27 at 18:45
David CarlisleDavid Carlisle
496k4111421889
answered Jan 27 at 18:45
David CarlisleDavid Carlisle
496k4111421889
answered Jan 27 at 18:45
David CarlisleDavid Carlisle
496k4111421889
496k4111421889
add a comment |
add a comment |
Note that char"00a9 will try to print the character in slot 0 and then “a9”, because TeX hexadecimal numeric notation requires uppercase letters. To the contrary, the ^^^^ notation requires lowercase letters.
So either char"00A9 or ^^^^00a9. They can't be mixed. There's a big difference among the two: the former is an instruction to print the glyph in position "00A9 of the current font, the latter is the character U+00A9.
Now, if the current font, be it in text mode or math mode (what's the current font in math mode depends on many factors) doesn't contain a glyph at a certain position, no fallback is used in XeLaTeX or LuaLaTeX and so you end up with no glyph (or a placeholder).
In order to obtain a glyph in a different font, you have to declare what font to use.
At this point, if you want to use the Coptic letter Me in math, you can even declare it as a math symbol.
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
begin{document}
$Me+Me$
end{document}
You can even be bold and use the symbol itself in math:
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
Umathcode`Ⲙ="0 symcoptic "2C98
begin{document}
$Me+Me$
$Ⲙ+Ⲙ$
end{document}
answered Jan 27 at 22:10
egregegreg
729k8819263237
add a comment |
Note that char"00a9 will try to print the character in slot 0 and then “a9”, because TeX hexadecimal numeric notation requires uppercase letters. To the contrary, the ^^^^ notation requires lowercase letters.
So either char"00A9 or ^^^^00a9. They can't be mixed. There's a big difference among the two: the former is an instruction to print the glyph in position "00A9 of the current font, the latter is the character U+00A9.
Now, if the current font, be it in text mode or math mode (what's the current font in math mode depends on many factors) doesn't contain a glyph at a certain position, no fallback is used in XeLaTeX or LuaLaTeX and so you end up with no glyph (or a placeholder).
In order to obtain a glyph in a different font, you have to declare what font to use.
At this point, if you want to use the Coptic letter Me in math, you can even declare it as a math symbol.
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
begin{document}
$Me+Me$
end{document}
You can even be bold and use the symbol itself in math:
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
Umathcode`Ⲙ="0 symcoptic "2C98
begin{document}
$Me+Me$
$Ⲙ+Ⲙ$
end{document}
answered Jan 27 at 22:10
egregegreg
729k8819263237
add a comment |
Note that char"00a9 will try to print the character in slot 0 and then “a9”, because TeX hexadecimal numeric notation requires uppercase letters. To the contrary, the ^^^^ notation requires lowercase letters.
So either char"00A9 or ^^^^00a9. They can't be mixed. There's a big difference among the two: the former is an instruction to print the glyph in position "00A9 of the current font, the latter is the character U+00A9.
Now, if the current font, be it in text mode or math mode (what's the current font in math mode depends on many factors) doesn't contain a glyph at a certain position, no fallback is used in XeLaTeX or LuaLaTeX and so you end up with no glyph (or a placeholder).
In order to obtain a glyph in a different font, you have to declare what font to use.
At this point, if you want to use the Coptic letter Me in math, you can even declare it as a math symbol.
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
begin{document}
$Me+Me$
end{document}
You can even be bold and use the symbol itself in math:
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
Umathcode`Ⲙ="0 symcoptic "2C98
begin{document}
$Me+Me$
$Ⲙ+Ⲙ$
end{document}
answered Jan 27 at 22:10
egregegreg
729k8819263237
Note that char"00a9 will try to print the character in slot 0 and then “a9”, because TeX hexadecimal numeric notation requires uppercase letters. To the contrary, the ^^^^ notation requires lowercase letters.
So either char"00A9 or ^^^^00a9. They can't be mixed. There's a big difference among the two: the former is an instruction to print the glyph in position "00A9 of the current font, the latter is the character U+00A9.
Now, if the current font, be it in text mode or math mode (what's the current font in math mode depends on many factors) doesn't contain a glyph at a certain position, no fallback is used in XeLaTeX or LuaLaTeX and so you end up with no glyph (or a placeholder).
In order to obtain a glyph in a different font, you have to declare what font to use.
At this point, if you want to use the Coptic letter Me in math, you can even declare it as a math symbol.
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
begin{document}
$Me+Me$
end{document}
You can even be bold and use the symbol itself in math:
documentclass{article}
usepackage{unicode-math}
% use a font which has the glyph
newfontfamily{copticfont}{FreeSerif}[
NFSSFamily=coptic,
]
DeclareSymbolFont{coptic}{TU}{coptic}{m}{n}
% need to use a low level declaration
UmathchardefMe="0 symcoptic "2C98
Umathcode`Ⲙ="0 symcoptic "2C98
begin{document}
$Me+Me$
$Ⲙ+Ⲙ$
end{document}
answered Jan 27 at 22:10
egregegreg
729k8819263237
answered Jan 27 at 22:10
egregegreg
729k8819263237
answered Jan 27 at 22:10
egregegreg
729k8819263237
answered Jan 27 at 22:10
egregegreg
729k8819263237
729k8819263237
add a comment |
add a comment |
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2
you are using the default latin modern fonts which do not have that character (there will be missing glyph warnings in the log)
– David Carlisle
Jan 27 at 18:30
hex digits must be lowercase for the
^^notation (and must be uppercase if used as a number with") so^^^^00a9is an error.– David Carlisle
Jan 27 at 18:31
See this question and add
tracinglostchars=2to all your.texfiles. IMO it's a bug in TeX, inherited by XeTeX, that missing characters not only allow the program to complete successfully, but also have the warning hidden in the log file by default.– ShreevatsaR
Jan 28 at 0:27