: Convert TeX symbols to HTML Entities that look similar # Some TeX symbols have no HTML entity and are mapped to ascii words sed '/^\.As_is/bignore s/\\TeX/\Τ\Ε<\/sub>\Χ/g s/\\alpha/\α/g s/\\nexists/ no /g s/\\neg/ not /g s/\\neq/\≠/g s/\\beta/\β/g s/\\gamma/\γ/g s/\\delta/\δ/g s/\\epsilon/\ε/g s/\\zeta/\ζ/g s/\\eta/\η/g s/\\vartheta/\ϑ/g s/\\theta/\θ/g s/\\iota/\ι/g s/\\kappa/\κ/g s/\\lambda/\λ/g s/\\mu/\μ/g s/\\nu/\ν/g s/\\xi/\ξ/g s/\\varpi/\ϖ/g s/\\pi/\π/g s/\\varsigma/\ς/g s/\\sigma/\σ/g s/\\tau/\τ/g s/\\upsilon/\υ/g s/\\phi/\φ/g s/\\chi/\χ/g s/\\omega/\ω/g s/\\Alpha/\Α/g s/\\Beta/\Β/g s/\\Gamma/\Γ/g s/\\Delta/\Δ/g s/\\Epsilon/\Ε/g s/\\Zeta/\Ζ/g s/\\Theta/\Θ/g s/\\Iota/\Ι/g s/\\Kappa/\Κ/g s/\\Lambda/\Λ/g s/\\Mu/\Μ/g s/\\Nu/\Ν/g s/\\Xi/\Ξ/g s/\\Pi/\Π/g s/\\Sigma/\Σ/g s/\\Tau/\Τ/g s/\\Upsilon/\Υ/g s/\\Phi/\Φ/g s/\\Chi/\Χ/g s/\\Psi/\Ψ/g s/\\Omega/\Ω/g s/\\bullet/\•/g s/\\prime/\′/g s/\\Im/\ℑ/g s/\\Re/\ℜ/g s/\\aleph/\ℵ/g s/\\leftarrow/\←/g s/\\uparrow/\↑/g s/\\rightarrow/\→/g s/\\downarrow/\↓/g s/\\leftrightarrow/\↔/g s/\\Leftarrow/\⇐/g s/\\Uparrow/\⇑/g s/\\Rightarrow/\⇒/g s/\\Downarrow/\⇓/g s/\\Leftrightarrow/\⇔/g s/\\diamondsuit/\◊/g s/\\spadesuit/\♠/g s/\\clubsuit/\♣/g s/\\emptyset/\∅/g s/\\propto/\∝/g s/\\infty/\∞/g s/\\angle/\∠/g s/\\nabla/\∇/g s/\\wedge/\∧/g s/\\equiv/\≡/g s/\\partial/\∂/g s/\\forall/\∀/g s/\\exists/\∃/g s/\\approx/\≈/g s/\\langle/\⟨/g s/\\rangle/\⟩/g s/\\subseteq/\⊆/g s/\\supseteq/\⊇/g s/\\not\\subset/\⊄/g s/\\subset/\⊂/g s/\\supset/\⊃/g s/\\land/\∧/g s/\\oplus/\⊕/g s/\\otimes/\⊗/g s/\\prod/\∏/g s/\\surd/\√/g s/\\cong/\≅/g s/\\gets/\←/g s/\\sum/\∑/g s/\\bot/\⊥/g s/\\lor/\∨/g s/\\vee/\∨/g s/\\cap/\∩/g s/\\cup/\∪/g s/\\int/\∫/g s/\\leq/\≤/g s/\\geq/\≥/g s/\\ge/\≥/g s/\\le/\≤/g s/\\nexists/not \&exists;/g s/\\neg/\&neg;/g s/\\neq/\≠/g s/\\ne/\≠/g s/\&neg;/ not /g s/\\wp/\℘/g s/\\to/\→/g s/\\in/\∈/g s/\\ni/\∋/g s/\\o/\ο/g :ignore'