/usr/share/entity-map/0.1.0/ISOnum.2tex is in linuxdoc-tools 0.9.71-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | [half ] $\scriptstyle{1\over2}$
[frac12] $\frac{1}{2}$
[frac14] $\frac{1}{4}$
[frac34] $\frac{3}{4}$
[frac18] $\frac{1}{8}$
[frac38] $\frac{3}{8}$
[frac58] $\frac{5}{8}$
[frac78] $\frac{7}{8}$
[sup1 ] $^1$
[sup2 ] $^2$
[sup3 ] $^3$
[plus ] $+$
[plusmn] $\pm$
[lt ] $<$
[equals] $=$
[gt ] $>$
[divide] $\div$
[times ] $\times$
[curren] \{curren\}
[pound ] \pounds{}
[dollar] \$
[cent ] \{cent\}
[yen ] \{yen\}
[num ] \#
[percnt] \%
[amp ] \&
[ast ] *
[commat] @
[lsqb ] {[}
[bsol ] $\backslash$
[rsqb ] {]}
[lcub ] $\{$
[horbar] {--}
[verbar] $|$
[rcub ] $\}$
[micro ] $\mu$
[ohm ] $\Omega$
[deg ] $^\circ$
[ordm ] $^{\underline{o}}$
[ordf ] $^{\underline{a}}$
[sect ] \S{}
[para ] \P{}
[middot] $\cdot$
[larr ] $\leftarrow$
[rarr ] $\rightarrow$
[uarr ] $\uparrow$
[darr ] $\downarrow$
[copy ] \copyright{}
[reg ] \textregistered{}
[trade ] \texttrademark{}
[brvbar] \{brvbar\}
[not ] $\neg$
[sung ] \{sung\}
[excl ] !
[iexcl ] {!`}
[quot ] {\tt\char`\"}
[apos ] '
[lpar ] (
[rpar ] )
[comma ] ,
[lowbar] \_
[hyphen] -
[period] .
[sol ] /
[colon ] :
[semi ] ;
[quest ] ?
[iquest] {?`}
[laquo ] \guillemotleft{}
[raquo ] \guillemotright{}
[lsquo ] {`}
[rsquo ] {'}
[ldquo ] {``}
[rdquo ] {''}
[nbsp ] ~
[shy ] \-
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