Doriath
SVGs for Leinster2010

For comparison, here’s an image of TeX’s output for an AMS array, an xymatrix, and a TikZ picture of the above (note that the resolution of the image isn’t fantastic).

Here’s the diagram with only the arrows as SVG:

$$\begin{array}{ccc}{f}^{-1}B& & B\\ \begin{array}{c}\\ \end{array}& & \\ X& \underset{f}{}& Y\end{array}$$\begin{matrix} f^{-1} B & \begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg} & B \\ \begin{svg}<svg viewBox="-3.99994 -42.00003 7.99988 44.0 " width="8pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"> <g transform="translate(0 2) scale(1 -1) translate(0 42)"> <g stroke="#000"> <g fill="#000"> <g stroke-width=".4pt"> <path d="m0-2.3v-37" fill="none"/> <g transform="matrix(0 1 -1 0 0 -2.3)"> <g stroke-dasharray="none" stroke-dashoffset="0pt"> <g stroke-linecap="round"> <path d="m0 0h.42c.98 0 1.7-.93 1.7-1.7 0-.9-.7-1.7-1.7-1.7" fill="none"/> </g> </g> </g> <g transform="matrix(0 -1 1 0 0 -39)"> <g stroke-width=".4pt"> <g stroke-dasharray="none" stroke-dashoffset="0pt"> <g stroke-linecap="round"> <g stroke-linejoin="round"> <path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/> </g> </g> </g> </g> </g> </g> </g> </g> </g> </svg> \end{svg} \mathrlap{\array{\arrayopts{\align{bottom}}\;\begin{svg}<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="10.40001pt" height="10.40001pt" viewBox="-0.2 -0.2 10.40001 10.40001 "><g transform="translate(0,10.20001 ) scale(1,-1) translate(0,0.2 )"><g><g stroke="rgb(0.0%,0.0%,0.0%)"><g fill="rgb(0.0%,0.0%,0.0%)"><g stroke-width="0.4pt"><g><path d=" M 0.0 0.0 L 10.00002 0.0 L 10.00002 10.00002 " style="fill:none"/></g></g></g></g></g></g></svg>\end{svg}\\ \space{30}{10}{1}}} && \begin{svg}<svg viewBox="-3.99994 -42.00003 7.99988 44.0 " width="8pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"> <g transform="translate(0 2) scale(1 -1) translate(0 42)"> <g stroke="#000"> <g fill="#000"> <g stroke-width=".4pt"> <path d="m0-2.3v-37" fill="none"/> <g transform="matrix(0 1 -1 0 0 -2.3)"> <g stroke-dasharray="none" stroke-dashoffset="0pt"> <g stroke-linecap="round"> <path d="m0 0h.42c.98 0 1.7-.93 1.7-1.7 0-.9-.7-1.7-1.7-1.7" fill="none"/> </g> </g> </g> <g transform="matrix(0 -1 1 0 0 -39)"> <g stroke-width=".4pt"> <g stroke-dasharray="none" stroke-dashoffset="0pt"> <g stroke-linecap="round"> <g stroke-linejoin="round"> <path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/> </g> </g> </g> </g> </g> </g> </g> </g> </g> </svg> \end{svg} \\ X & \underset{\scriptsize f}{\begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}} & Y \end{matrix}

1. An equation

   (1)$$\begin{array}{ccccc}1& \stackrel{0}{}& \mathbb{N}& \stackrel{s}{}& \mathbb{N}\\ & x& f& & f\\ & & X& \stackrel{r}{}& X\end{array}$$\begin{matrix} 1 & \overset{0}{\begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}} & \mathbb{N} & \stackrel{s}{\begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}} & \mathbb{N} \\ & x \begin{svg}<svg viewBox="-5.99991 -42.00003 51.99988 44.0 " width="52pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0l39-39" fill="none"/><g transform="matrix(.71 -.71 .71 .71 39 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg} &\begin{svg}<svg viewBox="-3.99994 -42.00003 7.99988 44.0 " width="8pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0v-39" fill="none"/><g transform="matrix(0 -1 1 0 0 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg} f & &\begin{svg}<svg viewBox="-3.99994 -42.00003 7.99988 44.0 " width="8pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0v-39" fill="none"/><g transform="matrix(0 -1 1 0 0 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg} f \\ &&X &\stackrel{r}{\begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}} &X \end{matrix}

   commutes

2. First Sentence

   An equation

   (2)$$\begin{array}{ccccc}1& \stackrel{0}{}& \mathbb{N}& \stackrel{s}{}& \mathbb{N}\\ & x& f& & f\\ & & X& \stackrel{r}{}& X\end{array}$$\begin{matrix} 1 & \overset{0}{\begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}} & \mathbb{N} & \stackrel{s}{\begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}} & \mathbb{N} \\ & x \begin{svg}<svg viewBox="-5.99991 -42.00003 51.99988 44.0 " width="52pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0l39-39" fill="none"/><g transform="matrix(.71 -.71 .71 .71 39 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg} &\begin{svg}<svg viewBox="-3.99994 -42.00003 7.99988 44.0 " width="8pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0v-39" fill="none"/><g transform="matrix(0 -1 1 0 0 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg} f & &\begin{svg}<svg viewBox="-3.99994 -42.00003 7.99988 44.0 " width="8pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0v-39" fill="none"/><g transform="matrix(0 -1 1 0 0 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg} f \\ &&X &\stackrel{r}{\begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}} &X \end{matrix}

   commutes

$$\begin{array}{ccc}& & Y\\ & \begin{array}{ccc}& s& \end{array}& \begin{array}{c}p\\ \end{array}\\ U& & X\end{array}$$\begin{matrix} && Y \\ &\array{\arrayopts{\rowalign{center} \padding{0}}&\mathrlap{s} & \begin{svg}<svg viewBox="-1.99997 -5.99991 44.0 51.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="52pt"><g transform="translate(0 46) scale(1 -1) translate(0 6)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0l39 39" fill="none"/><g transform="matrix(.71 .71 -.71 .71 39 39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}} & \begin{svg}<svg viewBox="-3.99994 -42.00003 7.99988 44.0 " width="8pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0v-39" fill="none"/><g transform="matrix(0 -1 1 0 0 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}\mathrlap{\array{p \\ \space{20}{10}{1}}} \\ U & \begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"> <g transform="translate(0 4) scale(1 -1) translate(0 4)"> <g stroke="#000"> <g fill="#000"> <g stroke-width=".4pt"> <path d="m2.3 0h37" fill="none"/> <g transform="matrix(-1 0 0 -1 2.3 0)"> <g stroke-dasharray="none" stroke-dashoffset="0pt"> <g stroke-linecap="round"> <path d="m0 0h.42c.98 0 1.7-.93 1.7-1.7 0-.9-.7-1.7-1.7-1.7" fill="none"/> </g> </g> </g> <g transform="matrix(1 0 0 1 39 0)"> <g stroke-width=".4pt"> <g stroke-dasharray="none" stroke-dashoffset="0pt"> <g stroke-linecap="round"> <g stroke-linejoin="round"> <path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/> </g> </g> </g> </g> </g> </g> </g> </g> </g> </svg> \end{svg} & X \end{matrix}

1. First sentence

   Second sentence

   (2)$$$$\begin{svg}<svg viewBox="-1.99997 -3.99994 44.0 7.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="8pt"><g transform="translate(0 4) scale(1 -1) translate(0 4)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0h39" fill="none"/><g transform="matrix(1 0 0 1 39 0)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}

2. First sentence

   Second sentence

   (2)$$$$\begin{svg}<svg viewBox="-5.99991 -42.00003 51.99988 44.0 " width="52pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0l39-39" fill="none"/><g transform="matrix(.71 -.71 .71 .71 39 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}

3. First sentence

   Second sentence

   (2)$$$$\begin{svg}<svg viewBox="-3.99994 -42.00003 7.99988 44.0 " width="8pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="44pt"><g transform="translate(0 2) scale(1 -1) translate(0 42)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0v-39" fill="none"/><g transform="matrix(0 -1 1 0 0 -39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}

4. First sentence

   Second sentence

   (2)$$$$\begin{svg}<svg viewBox="-1.99997 -5.99991 44.0 51.99988 " width="44pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" height="52pt"><g transform="translate(0 46) scale(1 -1) translate(0 6)"><g stroke="#000"><g fill="#000"><g stroke-width=".4pt"><path d="m0 0l39 39" fill="none"/><g transform="matrix(.71 .71 -.71 .71 39 39)"><g stroke-width=".4pt"><g stroke-dasharray="none" stroke-dashoffset="0pt"><g stroke-linecap="round"><g stroke-linejoin="round"><path d="m-2.4 3.2c.2-1.2 2.4-3 3-3.2-.6-.2-2.8-2-3-3.2" fill="none"/></g></g></g></g></g></g></g></g></g></svg>\end{svg}

Theorem

Let $ℂ$ be a category with finite limits. Then the presheaf topos $\widehat{ℂ}$ classifies finite-limit-preserving functors out of $ℂ$.

Here’s the current set of SVG arrows:

• SVG leftarrow

• SVG rightarrow

• SVG uparrow

• SVG downarrow

• SVG nearrow

• SVG nwarrow

• SVG searrow

• SVG swarrow

• SVG hookleftarrow

• SVG hookrightarrow

• SVG hookuparrow

• SVG hookdownarrow

• SVG hooknearrow

• SVG hooknwarrow

• SVG hooksearrow

• SVG hookswarrow

• SVG twoheadrightarrow

• SVG twoheadleftarrow

• SVG twoheaduparrow

• SVG twoheaddownarrow

• SVG twoheadnearrow

• SVG twoheadnwarrow

• SVG twoheadsearrow

• SVG twoheadswarrow

• SVG rightarrowtail

• SVG leftarrowtail

• SVG uparrowtail

• SVG downarrowtail

• SVG nearrowtail

• SVG nwarrowtail

• SVG searrowtail

• SVG swarrowtail

• SVG twoheadrightarrowtail? Could not include SVG twoheadrightarrowtail

• SVG twoheadleftarrowtail? Could not include SVG twoheadleftarrowtail

• SVG twoheaduparrowtail? Could not include SVG twoheaduparrowtail

• SVG twoheaddownarrowtail? Could not include SVG twoheaddownarrowtail

• SVG twoheadnearrowtail? Could not include SVG twoheadnearrowtail

• SVG twoheadnwarrowtail? Could not include SVG twoheadnwarrowtail

• SVG twoheadsearrowtail? Could not include SVG twoheadsearrowtail

• SVG twoheadswarrowtail? Could not include SVG twoheadswarrowtail