#!/bin/bash


# For bold and italic we can use the Mathematical font variant mappings,
#  although those are only defined for Latin and Greek.
# Latin letter small capital a: UTF-8: e1 b4 80 UTF-16BE: 1d00 Decimal: ᴀ Octal: \016400
# Latin bold capital: u1d400 - u1d419
# Latin bold small: u1d41a - u1d433
# Latin italic capital: u1d434 - u1d44d
# Latin italic small: u1d44e - u1d467
# Latin bold italic capital: u1d468 - u1d481
# Latin bold italic small: u1d482 - u1d49b
# (Script capital, script small, bold script capital, bold script small)
# (Fraktur capital, fraktur small)
# (Double-struck capital, double-struck small)
# (some Hebrew symbol variants)
# (Bold fraktur capital, bold fraktur small)
# (Sans-serif capital, sans-serif small)
# (Sans-serif bold capital, sans-serif bold small)
# (Sans-serif italic capital, sans-serif italic small)
# (Sans-serif bold italic capital, sans-serif bold italic small)
# (Monospace capital, monospace small)
# Greek bold capital: u1d6a8 - u1d6c0
# Greek bold small: u1d6c2 - u1d6da
# Greek italic capital: u1d6e2 - u1d6fa
# Greek italic small: u1dcfc - u1d714
# Greek bold italic capital: u1d71c - u1d734
# Greek bold italic small: u1d736 - u1d74e
# (Greek sans-serif bold capital: u1d756 - u1d76e)
# (Greek sans-serif bold small: u1d770 - u1d788)
# (Greek sans-serif bold italic capital: u1d790 - u1d7a8)
# (Greek sans-serif bold italic small: u1d7aa - u1d7c2)
# bold digits: u1d7ce - u1d7d7
# (double-struck digits)
# (sans-serif digits)
# (sans-serif bold digits)
# (monospace digits)
# (Arabic mathematical)
# (Arabic stretched)
# (Arabic looped)
# (Arabic double-struck)
#
# It turns out there are no Unicode control codes for marking text
#  bold or italic.  There are for subscript and superscript,
#  and ASCII has similar codes which nobody ever uses.

declare -A italic=(
# Latin:
	[A]=𝐴
	[B]=𝐵
	[C]=𝐶
	[D]=𝐷
	[E]=𝐸
	[F]=𝐹
	[G]=𝐺
	[H]=𝐻
	[I]=𝐼
	[J]=𝐽
	[K]=𝐾
	[L]=𝐿
	[M]=𝑀
	[N]=𝑁
	[O]=𝑂
	[P]=𝑃
	[Q]=𝑄
	[R]=𝑅
	[S]=𝑆
	[T]=𝑇
	[U]=𝑈
	[V]=𝑉
	[W]=𝑊
	[X]=𝑋
	[Y]=𝑌
	[Z]=𝑍
	[a]=𝑎
	[b]=𝑏
	[c]=𝑐
	[d]=𝑑
	[e]=𝑒
	[f]=𝑓
	[g]=𝑔
	[h]=ℎ # Planck's constant
	[i]=𝑖
	[j]=𝑗
	[k]=𝑘
	[l]=𝑙
	[m]=𝑚
	[n]=𝑛
	[o]=𝑜
	[p]=𝑝
	[q]=𝑞
	[r]=𝑟
	[s]=𝑠
	[t]=𝑡
	[u]=𝑢
	[v]=𝑣
	[w]=𝑤
	[x]=𝑥
	[y]=𝑦
	[z]=𝑧
# Bold Latin:
	[𝐀]=𝑨
	[𝐁]=𝑩
	[𝐂]=𝑪
	[𝐃]=𝑫
	[𝐄]=𝑬
	[𝐅]=𝑭
	[𝐆]=𝑮
	[𝐇]=𝑯
	[𝐈]=𝑰
	[𝐉]=𝑱
	[𝐊]=𝑲
	[𝐋]=𝑳
	[𝐌]=𝑴
	[𝐍]=𝑵
	[𝐎]=𝑶
	[𝐏]=𝑷
	[𝐐]=𝑸
	[𝐑]=𝑹
	[𝐒]=𝑺
	[𝐓]=𝑻
	[𝐔]=𝑼
	[𝐕]=𝑽
	[𝐖]=𝑾
	[𝐗]=𝑿
	[𝐘]=𝒀
	[𝐙]=𝒁
	[𝐚]=𝒂
	[𝐛]=𝒃
	[𝐜]=𝒄
	[𝐝]=𝒅
	[𝐞]=𝒆
	[𝐟]=𝒇
	[𝐠]=𝒈
	[𝐡]=𝒉
	[𝐢]=𝒊
	[𝐣]=𝒋
	[𝐤]=𝒌
	[𝐥]=𝒍
	[𝐦]=𝒎
	[𝐧]=𝒏
	[𝐨]=𝒐
	[𝐩]=𝒑
	[𝐪]=𝒒
	[𝐫]=𝒓
	[𝐬]=𝒔
	[𝐭]=𝒕
	[𝐮]=𝒖
	[𝐯]=𝒗
	[𝐰]=𝒘
	[𝐱]=𝒙
	[𝐲]=𝒚
	[𝐳]=𝒛
# Sans-serif:
	[𝖠]=𝘈
	[𝖡]=𝘉
	[𝖢]=𝘊
	[𝖣]=𝘋
	[𝖤]=𝘌
	[𝖥]=𝘍
	[𝖦]=𝘎
	[𝖧]=𝘏
	[𝖨]=𝘐
	[𝖩]=𝘑
	[𝖪]=𝘒
	[𝖫]=𝘓
	[𝖬]=𝘔
	[𝖭]=𝘕
	[𝖮]=𝘖
	[𝖯]=𝘗
	[𝖰]=𝘘
	[𝖱]=𝘙
	[𝖲]=𝘚
	[𝖳]=𝘛
	[𝖴]=𝘜
	[𝖵]=𝘝
	[𝖶]=𝘞
	[𝖷]=𝘟
	[𝖸]=𝘠
	[𝖹]=𝘡
	[𝖺]=𝘢
	[𝖻]=𝘣
	[𝖼]=𝘤
	[𝖽]=𝘥
	[𝖾]=𝘦
	[𝖿]=𝘧
	[𝗀]=𝘨
	[𝗁]=𝘩
	[𝗂]=𝘪
	[𝗃]=𝘫
	[𝗄]=𝘬
	[𝗅]=𝘭
	[𝗆]=𝘮
	[𝗇]=𝘯
	[𝗈]=𝘰
	[𝗉]=𝘱
	[𝗊]=𝘲
	[𝗋]=𝘳
	[𝗌]=𝘴
	[𝗍]=𝘵
	[𝗎]=𝘶
	[𝗏]=𝘷
	[𝗐]=𝘸
	[𝗑]=𝘹
	[𝗒]=𝘺
	[𝗓]=𝘻
# Bold sans-serif:
# 𝗔𝗕𝗖𝗗𝗘𝗙𝗚𝗛𝗜𝗝𝗞𝗟𝗠𝗡𝗢𝗣𝗤𝗥𝗦𝗧𝗨𝗩𝗪𝗫𝗬𝗭𝗮𝗯𝗰𝗱𝗲𝗳𝗴𝗵𝗶𝗷𝗸𝗹𝗺𝗻𝗼𝗽𝗾𝗿𝘀𝘁𝘂𝘃𝘄𝘅𝘆𝘇
# 
# Greek:
	[Α]=𝛢
	[Β]=𝛣
	[Γ]=𝛤
	[Δ]=𝛥
	[Ε]=𝛦
	[Ζ]=𝛧
	[Η]=𝛨
	[Θ]=𝛩
	[Ι]=𝛪
	[Κ]=𝛫
	[Λ]=𝛬
	[Μ]=𝛭
	[Ν]=𝛮
	[Ξ]=𝛯
	[Ο]=𝛰
	[Π]=𝛱
	[Ρ]=𝛲
	[Σ]=𝛴
	[Τ]=𝛵
	[Υ]=𝛶
	[Φ]=𝛷
	[Χ]=𝛸
	[Ψ]=𝛹
	[Ω]=𝛺
	[α]=𝛼
	[β]=𝛽
	[γ]=𝛾
	[δ]=𝛿
	[ε]=𝜀
	[ζ]=𝜁
	[η]=𝜂
	[θ]=𝜃
	[ι]=𝜄
	[κ]=𝜅
	[λ]=𝜆
	[μ]=𝜇
	[ν]=𝜈
	[ξ]=𝜉
	[ο]=𝜊
	[π]=𝜋
	[ρ]=𝜌
	[ς]=𝜍
	[σ]=𝜎
	[τ]=𝜏
	[υ]=𝜐
	[φ]=𝜑
	[χ]=𝜒
	[ψ]=𝜓
	[ω]=𝜔
# Perseus:
# 𝚨𝚩𝚪𝚫𝚬𝚭𝚮𝚯𝚰𝚱𝚲𝚳𝚴𝚵𝚶𝚷𝚸𝚺𝚻𝚼𝚽𝚾𝚿𝛀𝛂𝛃𝛄𝛅𝛆𝛇𝛈𝛉𝛊𝛋𝛌𝛍𝛎𝛏𝛐𝛑𝛒𝛓𝛔𝛕𝛖𝛗𝛘𝛙𝛚
# 
)

while IFS= read -r line
do	for i in $(seq 0 "$((${#line}-1))")
	do
		c=${line:$i:1}
		printf '%s' "${italic[$c]:-$c}"
	done
	echo
done