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mediawiki-extensions-Math/texvccheck/texutil.ml
Physikerwelt 4c9dc2f08e Breakdown of texvc 
texvc had several tasks in the past:

1 checking the input
2 convert MediaWiki custom syntax to standard LaTeX
3 run LaTeX
4 convert dvi2png

This change provides a simplified version that performs
only steps 1+2. This is required to avoid security problems
with tools like MathJax, especially if these tools are
run at the server-side.

Bug: 54624
Change-Id: I1650e6ec2ccefff6335fbc36bbe8ca8f59db0faa
2013-12-14 18:34:15 +00:00

713 lines
16 KiB
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(* vim: set sw=8 ts=8 et: *)
open Parser
open Tex
open Util
let tex_part = function
HTMLABLE (_,t,_) -> t
| HTMLABLEM (_,t,_) -> t
| HTMLABLEC (_,t,_) -> t
| MHTMLABLEC (_,t,_,_,_) -> t
| HTMLABLE_BIG (t,_) -> t
| TEX_ONLY t -> t
let rec render_tex = function
TEX_FQ (a,b,c) -> (render_tex a) ^ "_{" ^ (render_tex b) ^ "}^{" ^ (render_tex c) ^ "}"
| TEX_DQ (a,b) -> (render_tex a) ^ "_{" ^ (render_tex b) ^ "}"
| TEX_UQ (a,b) -> (render_tex a) ^ "^{" ^ (render_tex b) ^ "}"
| TEX_FQN (a,b) -> "_{" ^ (render_tex a) ^ "}^{" ^ (render_tex b) ^ "}"
| TEX_DQN (a) -> "_{" ^ (render_tex a) ^ "}"
| TEX_UQN (a) -> "^{" ^ (render_tex a) ^ "}"
| TEX_LITERAL s -> tex_part s
| TEX_FUN1 (f,a) -> "{" ^ f ^ " " ^ (render_tex a) ^ "}"
| TEX_FUN1nb (f,a) -> f ^ " " ^ (render_tex a)
| TEX_FUN1hl (f,_,a) -> "{" ^ f ^ " " ^ (render_tex a) ^ "}"
| TEX_FUN1hf (f,_,a) -> "{" ^ f ^ " " ^ (render_tex a) ^ "}"
| TEX_DECLh (f,_,a) -> "{" ^ f ^ "{" ^ (mapjoin render_tex a) ^ "}}"
| TEX_FUN2 (f,a,b) -> "{" ^ f ^ " " ^ (render_tex a) ^ (render_tex b) ^ "}"
| TEX_FUN2h (f,_,a,b) -> "{" ^ f ^ " " ^ (render_tex a) ^ (render_tex b) ^ "}"
| TEX_FUN2nb (f,a,b) -> f ^ (render_tex a) ^ (render_tex b)
| TEX_FUN2sq (f,a,b) -> "{" ^ f ^ "[ " ^ (render_tex a) ^ "]" ^ (render_tex b) ^ "}"
| TEX_CURLY (tl) -> "{" ^ (mapjoin render_tex tl) ^ "}"
| TEX_INFIX (s,ll,rl) -> "{" ^ (mapjoin render_tex ll) ^ " " ^ s ^ "" ^ (mapjoin render_tex rl) ^ "}"
| TEX_INFIXh (s,_,ll,rl) -> "{" ^ (mapjoin render_tex ll) ^ " " ^ s ^ "" ^ (mapjoin render_tex rl) ^ "}"
| TEX_BOX (bt,s) -> "{"^bt^"{" ^ s ^ "}}"
| TEX_BIG (bt,d) -> "{"^bt^(tex_part d)^"}"
| TEX_MATRIX (t,rows) -> "{\\begin{"^t^"}"^(mapjoine "\\\\" (mapjoine "&" (mapjoin render_tex)) rows)^"\\end{"^t^"}}"
| TEX_LR (l,r,tl) -> "\\left"^(tex_part l)^(mapjoin render_tex tl)^"\\right"^(tex_part r)
(* Turn that into hash table lookup *)
exception Illegal_tex_function of string
let find cmd = match cmd with
"\\AA"
| "\\aleph"
| "\\alpha"
| "\\amalg"
| "\\And"
| "\\angle"
| "\\approx"
| "\\approxeq"
| "\\ast"
| "\\asymp"
| "\\backepsilon"
| "\\backprime"
| "\\backsim"
| "\\backsimeq"
| "\\barwedge"
| "\\Bbbk"
| "\\because"
| "\\beta"
| "\\beth"
| "\\between"
| "\\bigcap"
| "\\bigcirc"
| "\\bigcup"
| "\\bigodot"
| "\\bigoplus"
| "\\bigotimes"
| "\\bigsqcup"
| "\\bigstar"
| "\\bigtriangledown"
| "\\bigtriangleup"
| "\\biguplus"
| "\\bigvee"
| "\\bigwedge"
| "\\blacklozenge"
| "\\blacksquare"
| "\\blacktriangle"
| "\\blacktriangledown"
| "\\blacktriangleleft"
| "\\blacktriangleright"
| "\\bot"
| "\\bowtie"
| "\\Box"
| "\\boxdot"
| "\\boxminus"
| "\\boxplus"
| "\\boxtimes"
| "\\bullet"
| "\\bumpeq"
| "\\Bumpeq"
| "\\cap"
| "\\Cap"
| "\\cdot"
| "\\cdots"
| "\\centerdot"
| "\\checkmark"
| "\\chi"
| "\\circ"
| "\\circeq"
| "\\circlearrowleft"
| "\\circlearrowright"
| "\\circledast"
| "\\circledcirc"
| "\\circleddash"
| "\\circledS"
| "\\clubsuit"
| "\\colon"
| "\\color"
| "\\complement"
| "\\cong"
| "\\coprod"
| "\\cup"
| "\\Cup"
| "\\curlyeqprec"
| "\\curlyeqsucc"
| "\\curlyvee"
| "\\curlywedge"
| "\\curvearrowleft"
| "\\curvearrowright"
| "\\dagger"
| "\\daleth"
| "\\dashv"
| "\\ddagger"
| "\\ddots"
| "\\definecolor"
| "\\delta"
| "\\Delta"
| "\\diagdown"
| "\\diagup"
| "\\diamond"
| "\\Diamond"
| "\\diamondsuit"
| "\\digamma"
| "\\displaystyle"
| "\\div"
| "\\divideontimes"
| "\\doteq"
| "\\doteqdot"
| "\\dotplus"
| "\\dots"
| "\\dotsb"
| "\\dotsc"
| "\\dotsi"
| "\\dotsm"
| "\\dotso"
| "\\doublebarwedge"
| "\\downdownarrows"
| "\\downharpoonleft"
| "\\downharpoonright"
| "\\ell"
| "\\emptyset"
| "\\epsilon"
| "\\eqcirc"
| "\\eqsim"
| "\\eqslantgtr"
| "\\eqslantless"
| "\\equiv"
| "\\eta"
| "\\eth"
| "\\exists"
| "\\fallingdotseq"
| "\\Finv"
| "\\flat"
| "\\forall"
| "\\frown"
| "\\Game"
| "\\gamma"
| "\\Gamma"
| "\\geq"
| "\\geqq"
| "\\geqslant"
| "\\gets"
| "\\gg"
| "\\ggg"
| "\\gimel"
| "\\gnapprox"
| "\\gneq"
| "\\gneqq"
| "\\gnsim"
| "\\gtrapprox"
| "\\gtrdot"
| "\\gtreqless"
| "\\gtreqqless"
| "\\gtrless"
| "\\gtrsim"
| "\\gvertneqq"
| "\\hbar"
| "\\heartsuit"
| "\\hline"
| "\\hookleftarrow"
| "\\hookrightarrow"
| "\\hslash"
| "\\iff"
| "\\iiiint"
| "\\iiint"
| "\\iint"
| "\\Im"
| "\\imath"
| "\\implies"
| "\\in"
| "\\infty"
| "\\injlim"
| "\\int"
| "\\intercal"
| "\\iota"
| "\\jmath"
| "\\kappa"
| "\\lambda"
| "\\Lambda"
| "\\land"
| "\\ldots"
| "\\leftarrow"
| "\\Leftarrow"
| "\\leftarrowtail"
| "\\leftharpoondown"
| "\\leftharpoonup"
| "\\leftleftarrows"
| "\\leftrightarrow"
| "\\Leftrightarrow"
| "\\leftrightarrows"
| "\\leftrightharpoons"
| "\\leftrightsquigarrow"
| "\\leftthreetimes"
| "\\leq"
| "\\leqq"
| "\\leqslant"
| "\\lessapprox"
| "\\lessdot"
| "\\lesseqgtr"
| "\\lesseqqgtr"
| "\\lessgtr"
| "\\lesssim"
| "\\limits"
| "\\ll"
| "\\Lleftarrow"
| "\\lll"
| "\\lnapprox"
| "\\lneq"
| "\\lneqq"
| "\\lnot"
| "\\lnsim"
| "\\longleftarrow"
| "\\Longleftarrow"
| "\\longleftrightarrow"
| "\\Longleftrightarrow"
| "\\longmapsto"
| "\\longrightarrow"
| "\\Longrightarrow"
| "\\looparrowleft"
| "\\looparrowright"
| "\\lor"
| "\\lozenge"
| "\\Lsh"
| "\\ltimes"
| "\\lVert"
| "\\lvertneqq"
| "\\mapsto"
| "\\measuredangle"
| "\\mho"
| "\\mid"
| "\\mod"
| "\\models"
| "\\mp"
| "\\mu"
| "\\multimap"
| "\\nabla"
| "\\natural"
| "\\ncong"
| "\\nearrow"
| "\\neg"
| "\\neq"
| "\\nexists"
| "\\ngeq"
| "\\ngeqq"
| "\\ngeqslant"
| "\\ngtr"
| "\\ni"
| "\\nleftarrow"
| "\\nLeftarrow"
| "\\nleftrightarrow"
| "\\nLeftrightarrow"
| "\\nleq"
| "\\nleqq"
| "\\nleqslant"
| "\\nless"
| "\\nmid"
| "\\nolimits"
| "\\not"
| "\\notin"
| "\\nparallel"
| "\\nprec"
| "\\npreceq"
| "\\nrightarrow"
| "\\nRightarrow"
| "\\nshortmid"
| "\\nshortparallel"
| "\\nsim"
| "\\nsubseteq"
| "\\nsubseteqq"
| "\\nsucc"
| "\\nsucceq"
| "\\nsupseteq"
| "\\nsupseteqq"
| "\\ntriangleleft"
| "\\ntrianglelefteq"
| "\\ntriangleright"
| "\\ntrianglerighteq"
| "\\nu"
| "\\nvdash"
| "\\nVdash"
| "\\nvDash"
| "\\nVDash"
| "\\nwarrow"
| "\\odot"
| "\\oint"
| "\\omega"
| "\\Omega"
| "\\ominus"
| "\\oplus"
| "\\oslash"
| "\\otimes"
| "\\overbrace"
| "\\overleftarrow"
| "\\overleftrightarrow"
| "\\overline"
| "\\overrightarrow"
| "\\P"
| "\\pagecolor"
| "\\parallel"
| "\\partial"
| "\\perp"
| "\\phi"
| "\\Phi"
| "\\pi"
| "\\Pi"
| "\\pitchfork"
| "\\pm"
| "\\prec"
| "\\precapprox"
| "\\preccurlyeq"
| "\\preceq"
| "\\precnapprox"
| "\\precneqq"
| "\\precnsim"
| "\\precsim"
| "\\prime"
| "\\prod"
| "\\projlim"
| "\\propto"
| "\\psi"
| "\\Psi"
| "\\qquad"
| "\\quad"
| "\\Re"
| "\\rho"
| "\\rightarrow"
| "\\Rightarrow"
| "\\rightarrowtail"
| "\\rightharpoondown"
| "\\rightharpoonup"
| "\\rightleftarrows"
| "\\rightrightarrows"
| "\\rightsquigarrow"
| "\\rightthreetimes"
| "\\risingdotseq"
| "\\Rrightarrow"
| "\\Rsh"
| "\\rtimes"
| "\\rVert"
| "\\S"
| "\\scriptscriptstyle"
| "\\scriptstyle"
| "\\searrow"
| "\\setminus"
| "\\sharp"
| "\\shortmid"
| "\\shortparallel"
| "\\sigma"
| "\\Sigma"
| "\\sim"
| "\\simeq"
| "\\smallfrown"
| "\\smallsetminus"
| "\\smallsmile"
| "\\smile"
| "\\spadesuit"
| "\\sphericalangle"
| "\\sqcap"
| "\\sqcup"
| "\\sqsubset"
| "\\sqsubseteq"
| "\\sqsupset"
| "\\sqsupseteq"
| "\\square"
| "\\star"
| "\\subset"
| "\\Subset"
| "\\subseteq"
| "\\subseteqq"
| "\\subsetneq"
| "\\subsetneqq"
| "\\succ"
| "\\succapprox"
| "\\succcurlyeq"
| "\\succeq"
| "\\succnapprox"
| "\\succneqq"
| "\\succnsim"
| "\\succsim"
| "\\sum"
| "\\supset"
| "\\Supset"
| "\\supseteq"
| "\\supseteqq"
| "\\supsetneq"
| "\\supsetneqq"
| "\\surd"
| "\\swarrow"
| "\\tau"
| "\\textstyle"
| "\\textvisiblespace"
| "\\therefore"
| "\\theta"
| "\\Theta"
| "\\thickapprox"
| "\\thicksim"
| "\\times"
| "\\to"
| "\\top"
| "\\triangle"
| "\\triangledown"
| "\\triangleleft"
| "\\trianglelefteq"
| "\\triangleq"
| "\\triangleright"
| "\\trianglerighteq"
| "\\underbrace"
| "\\underline"
| "\\upharpoonleft"
| "\\upharpoonright"
| "\\uplus"
| "\\upsilon"
| "\\Upsilon"
| "\\upuparrows"
| "\\varepsilon"
| "\\varinjlim"
| "\\varkappa"
| "\\varliminf"
| "\\varlimsup"
| "\\varnothing"
| "\\varphi"
| "\\varpi"
| "\\varprojlim"
| "\\varpropto"
| "\\varrho"
| "\\varsigma"
| "\\varsubsetneq"
| "\\varsubsetneqq"
| "\\varsupsetneq"
| "\\varsupsetneqq"
| "\\vartheta"
| "\\vartriangle"
| "\\vartriangleleft"
| "\\vartriangleright"
| "\\vdash"
| "\\Vdash"
| "\\vDash"
| "\\vdots"
| "\\vee"
| "\\veebar"
| "\\vline"
| "\\Vvdash"
| "\\wedge"
| "\\widehat"
| "\\widetilde"
| "\\wp"
| "\\wr"
| "\\xi"
| "\\Xi"
| "\\zeta"
-> LITERAL ( TEX_ONLY( cmd ^ " " ) )
| "\\big"
| "\\Big"
| "\\bigg"
| "\\Bigg"
| "\\biggl"
| "\\Biggl"
| "\\biggr"
| "\\Biggr"
| "\\bigl"
| "\\Bigl"
| "\\bigr"
| "\\Bigr"
-> BIG ( cmd ^ " " )
| "\\backslash"
| "\\downarrow"
| "\\Downarrow"
| "\\langle"
| "\\lbrace"
| "\\lceil"
| "\\lfloor"
| "\\llcorner"
| "\\lrcorner"
| "\\rangle"
| "\\rbrace"
| "\\rceil"
| "\\rfloor"
| "\\rightleftharpoons"
| "\\twoheadleftarrow"
| "\\twoheadrightarrow"
| "\\ulcorner"
| "\\uparrow"
| "\\Uparrow"
| "\\updownarrow"
| "\\Updownarrow"
| "\\urcorner"
| "\\Vert"
| "\\vert"
| "\\lbrack"
| "\\rbrack"
-> DELIMITER( TEX_ONLY( cmd ^ " ") )
| "\\acute"
| "\\bar"
| "\\bcancel"
| "\\bmod"
| "\\boldsymbol"
| "\\breve"
| "\\cancel"
| "\\check"
| "\\ddot"
| "\\dot"
| "\\emph"
| "\\grave"
| "\\hat"
| "\\mathbb"
| "\\mathbf"
| "\\mathbin"
| "\\mathcal"
| "\\mathclose"
| "\\mathfrak"
| "\\mathit"
| "\\mathop"
| "\\mathopen"
| "\\mathord"
| "\\mathpunct"
| "\\mathrel"
| "\\mathrm"
| "\\mathsf"
| "\\mathtt"
| "\\operatorname"
| "\\pmod"
| "\\sqrt"
| "\\textbf"
| "\\textit"
| "\\textrm"
| "\\textsf"
| "\\texttt"
| "\\tilde"
| "\\vec"
| "\\xcancel"
| "\\xleftarrow"
| "\\xrightarrow"
-> FUN_AR1( cmd ^ " " )
| "\\binom"
| "\\cancelto"
| "\\cfrac"
| "\\dbinom"
| "\\dfrac"
| "\\frac"
| "\\overset"
| "\\stackrel"
| "\\tbinom"
| "\\tfrac"
| "\\underset"
-> FUN_AR2( cmd ^ " " )
| "\\atop"
| "\\choose"
| "\\over"
-> FUN_INFIX( cmd ^ " " )
| "\\Coppa"
| "\\coppa"
| "\\Digamma"
| "\\euro"
| "\\geneuro"
| "\\geneuronarrow"
| "\\geneurowide"
| "\\Koppa"
| "\\koppa"
| "\\officialeuro"
| "\\Sampi"
| "\\sampi"
| "\\Stigma"
| "\\stigma"
| "\\varstigma"
-> LITERAL ( TEX_ONLY( "\\mbox{" ^ cmd ^ "} " ) )
| "\\C" -> LITERAL ( TEX_ONLY( "\\mathbb{C}" ^ " " ) )
| "\\H" -> LITERAL ( TEX_ONLY( "\\mathbb{H}" ^ " " ) )
| "\\N" -> LITERAL ( TEX_ONLY( "\\mathbb{N}" ^ " " ) )
| "\\Q" -> LITERAL ( TEX_ONLY( "\\mathbb{Q}" ^ " " ) )
| "\\R" -> LITERAL ( TEX_ONLY( "\\mathbb{R}" ^ " " ) )
| "\\Z" -> LITERAL ( TEX_ONLY( "\\mathbb{Z }" ^ " " ) )
| "\\darr" -> DELIMITER( TEX_ONLY( "\\downarrow" ^ " " ) )
| "\\dArr" -> DELIMITER( TEX_ONLY( "\\Downarrow" ^ " " ) )
| "\\Darr" -> DELIMITER( TEX_ONLY( "\\Downarrow" ^ " " ) )
| "\\lang" -> DELIMITER( TEX_ONLY( "\\langle" ^ " " ) )
| "\\rang" -> DELIMITER( TEX_ONLY( "\\rangle" ^ " " ) )
| "\\uarr" -> DELIMITER( TEX_ONLY( "\\uparrow" ^ " " ) )
| "\\uArr" -> DELIMITER( TEX_ONLY( "\\Uparrow" ^ " " ) )
| "\\Uarr" -> DELIMITER( TEX_ONLY( "\\Uparrow" ^ " " ) )
| "\\Bbb" -> FUN_AR1( "\\mathbb" ^ " " )
| "\\bold" -> FUN_AR1( "\\mathbf" ^ " " )
| "\\alef" -> LITERAL ( TEX_ONLY( "\\aleph" ^ " " ) )
| "\\alefsym" -> LITERAL ( TEX_ONLY( "\\aleph" ^ " " ) )
| "\\Alpha" -> LITERAL ( TEX_ONLY( "\\mathrm{A}" ^ " " ) )
| "\\and" -> LITERAL ( TEX_ONLY( "\\land" ^ " " ) )
| "\\ang" -> LITERAL ( TEX_ONLY( "\\angle" ^ " " ) )
| "\\Beta" -> LITERAL ( TEX_ONLY( "\\mathrm{B}" ^ " " ) )
| "\\bull" -> LITERAL ( TEX_ONLY( "\\bullet" ^ " " ) )
| "\\Chi" -> LITERAL ( TEX_ONLY( "\\mathrm{X}" ^ " " ) )
| "\\clubs" -> LITERAL ( TEX_ONLY( "\\clubsuit" ^ " " ) )
| "\\cnums" -> LITERAL ( TEX_ONLY( "\\mathbb{C}" ^ " " ) )
| "\\Complex" -> LITERAL ( TEX_ONLY( "\\mathbb{C}" ^ " " ) )
| "\\Dagger" -> LITERAL ( TEX_ONLY( "\\ddagger" ^ " " ) )
| "\\diamonds" -> LITERAL ( TEX_ONLY( "\\diamondsuit" ^ " " ) )
| "\\Doteq" -> LITERAL ( TEX_ONLY( "\\doteqdot" ^ " " ) )
| "\\doublecap" -> LITERAL ( TEX_ONLY( "\\Cap" ^ " " ) )
| "\\doublecup" -> LITERAL ( TEX_ONLY( "\\Cup" ^ " " ) )
| "\\empty" -> LITERAL ( TEX_ONLY( "\\emptyset" ^ " " ) )
| "\\Epsilon" -> LITERAL ( TEX_ONLY( "\\mathrm{E}" ^ " " ) )
| "\\Eta" -> LITERAL ( TEX_ONLY( "\\mathrm{H}" ^ " " ) )
| "\\exist" -> LITERAL ( TEX_ONLY( "\\exists" ^ " " ) )
| "\\ge" -> LITERAL ( TEX_ONLY( "\\geq" ^ " " ) )
| "\\gggtr" -> LITERAL ( TEX_ONLY( "\\ggg" ^ " " ) )
| "\\hAar" -> LITERAL ( TEX_ONLY( "\\Leftrightarrow" ^ " " ) )
| "\\harr" -> LITERAL ( TEX_ONLY( "\\leftrightarrow" ^ " " ) )
| "\\Harr" -> LITERAL ( TEX_ONLY( "\\Leftrightarrow" ^ " " ) )
| "\\hearts" -> LITERAL ( TEX_ONLY( "\\heartsuit" ^ " " ) )
| "\\image" -> LITERAL ( TEX_ONLY( "\\Im" ^ " " ) )
| "\\infin" -> LITERAL ( TEX_ONLY( "\\infty" ^ " " ) )
| "\\Iota" -> LITERAL ( TEX_ONLY( "\\mathrm{I}" ^ " " ) )
| "\\isin" -> LITERAL ( TEX_ONLY( "\\in" ^ " " ) )
| "\\Kappa" -> LITERAL ( TEX_ONLY( "\\mathrm{K}" ^ " " ) )
| "\\larr" -> LITERAL ( TEX_ONLY( "\\leftarrow" ^ " " ) )
| "\\Larr" -> LITERAL ( TEX_ONLY( "\\Leftarrow" ^ " " ) )
| "\\lArr" -> LITERAL ( TEX_ONLY( "\\Leftarrow" ^ " " ) )
| "\\le" -> LITERAL ( TEX_ONLY( "\\leq" ^ " " ) )
| "\\lrarr" -> LITERAL ( TEX_ONLY( "\\leftrightarrow" ^ " " ) )
| "\\Lrarr" -> LITERAL ( TEX_ONLY( "\\Leftrightarrow" ^ " " ) )
| "\\lrArr" -> LITERAL ( TEX_ONLY( "\\Leftrightarrow" ^ " " ) )
| "\\Mu" -> LITERAL ( TEX_ONLY( "\\mathrm{M}" ^ " " ) )
| "\\natnums" -> LITERAL ( TEX_ONLY( "\\mathbb{N}" ^ " " ) )
| "\\ne" -> LITERAL ( TEX_ONLY( "\\neq" ^ " " ) )
| "\\Nu" -> LITERAL ( TEX_ONLY( "\\mathrm{N}" ^ " " ) )
| "\\O" -> LITERAL ( TEX_ONLY( "\\emptyset" ^ " " ) )
| "\\omicron" -> LITERAL ( TEX_ONLY( "\\mathrm{o}" ^ " " ) )
| "\\Omicron" -> LITERAL ( TEX_ONLY( "\\mathrm{O}" ^ " " ) )
| "\\or" -> LITERAL ( TEX_ONLY( "\\lor" ^ " " ) )
| "\\part" -> LITERAL ( TEX_ONLY( "\\partial" ^ " " ) )
| "\\plusmn" -> LITERAL ( TEX_ONLY( "\\pm" ^ " " ) )
| "\\rarr" -> LITERAL ( TEX_ONLY( "\\rightarrow" ^ " " ) )
| "\\Rarr" -> LITERAL ( TEX_ONLY( "\\Rightarrow" ^ " " ) )
| "\\rArr" -> LITERAL ( TEX_ONLY( "\\Rightarrow" ^ " " ) )
| "\\real" -> LITERAL ( TEX_ONLY( "\\Re" ^ " " ) )
| "\\reals" -> LITERAL ( TEX_ONLY( "\\mathbb{R}" ^ " " ) )
| "\\Reals" -> LITERAL ( TEX_ONLY( "\\mathbb{R}" ^ " " ) )
| "\\restriction" -> LITERAL ( TEX_ONLY( "\\upharpoonright" ^ " " ) )
| "\\Rho" -> LITERAL ( TEX_ONLY( "\\mathrm{P}" ^ " " ) )
| "\\sdot" -> LITERAL ( TEX_ONLY( "\\cdot" ^ " " ) )
| "\\sect" -> LITERAL ( TEX_ONLY( "\\S" ^ " " ) )
| "\\spades" -> LITERAL ( TEX_ONLY( "\\spadesuit" ^ " " ) )
| "\\sub" -> LITERAL ( TEX_ONLY( "\\subset" ^ " " ) )
| "\\sube" -> LITERAL ( TEX_ONLY( "\\subseteq" ^ " " ) )
| "\\supe" -> LITERAL ( TEX_ONLY( "\\supseteq" ^ " " ) )
| "\\Tau" -> LITERAL ( TEX_ONLY( "\\mathrm{T}" ^ " " ) )
| "\\thetasym" -> LITERAL ( TEX_ONLY( "\\vartheta" ^ " " ) )
| "\\varcoppa" -> LITERAL ( TEX_ONLY( "\\mbox{coppa}" ^ " " ) )
| "\\weierp" -> LITERAL ( TEX_ONLY( "\\wp" ^ " " ) )
| "\\Zeta" -> LITERAL ( TEX_ONLY( "\\mathrm{Z}" ^ " " ) )
| "\\rm"
| "\\it"
| "\\cal"
| "\\bf"
-> DECLh ( cmd ^ " ", FONTFORCE_RM ) (* see bug 54818 *)
| "\\sideset" -> FUN_AR2nb "\\sideset "
| "\\left" -> LEFT
| "\\right" -> RIGHT
| "\\text"
| "\\mbox"
| "\\vbox"
| "\\hbox"
-> raise (Failure ("malformatted " ^ cmd))
| s -> raise (Illegal_tex_function s)
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