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<div class="moz-cite-prefix">I have not read all of your code, but I
did spot the problem behind the first compiler error message,
which I think all web developers would agree is problematic.
(I.e., it isn't just a question of a fussy Ur/Web type system.)<br>
<br>
On 04/16/2018 04:58 AM, Jonas Mellin wrote:<br>
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<blockquote type="cite"
cite="mid:67EBC36FAF00564EAAE9C7FD4E3CE3B0010D5A5486@HSMSMBX1.hs.local">
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--></style><!--[if gte mso 9]><xml>
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<o:shapelayout v:ext="edit">
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<div class="WordSection1"><span style="color:#222222" lang="EN-US"><o:p></o:p></span>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US">fun proc (x: intPair) =<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> x <- source x;<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> return<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> <xml><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> <body
onmousemove={fn ev => set x (ev.ScreenX,ev.SceenY)}><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US">
<!-- ... --><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> </xml><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> <o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US">fun main(): transaction
page =<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> xml <- proc (0,0);<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> return<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> <xml><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> <head><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> Banzai<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> </head><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> <body><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> {xml}<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> </body><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> </xml><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span
style="color:#222222" lang="EN-US"> <o:p></o:p></span></p>
[...]<span style="color:#222222" lang="EN-US"><o:p></o:p></span>
<p class="MsoNormal"
style="background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans:
2;text-align:start;widows: 2;-webkit-text-stroke-width:
0px;text-decoration-style: initial;text-decoration-color:
initial;word-spacing:0px">
<span style="color:#222222" lang="EN-US"><br>
<o:p></o:p></span></p>
<p class="MsoNormal"
style="background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans:
2;text-align:start;widows: 2;-webkit-text-stroke-width:
0px;text-decoration-style: initial;text-decoration-color:
initial;word-spacing:0px">
<span style="color:#222222" lang="EN-US">/home/a/SVGTest2/SVGTest.ur:33:4:
(to 44:2) Error in final record unification<o:p></o:p></span></p>
<p class="MsoNormal"
style="background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans:
2;text-align:start;widows: 2;-webkit-text-stroke-width:
0px;text-decoration-style: initial;text-decoration-color:
initial;word-spacing:0px">
<span style="color:#222222" lang="EN-US">Can't unify record
constructors<o:p></o:p></span></p>
<p class="MsoNormal"
style="background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans:
2;text-align:start;widows: 2;-webkit-text-stroke-width:
0px;text-decoration-style: initial;text-decoration-color:
initial;word-spacing:0px">
<span style="color:#222222" lang="EN-US">Have: [Dyn = (),
MakeForm = (), Body = ()]<o:p></o:p></span></p>
<p class="MsoNormal"
style="background:white;font-variant-ligatures:
normal;font-variant-caps: normal;orphans:
2;text-align:start;widows: 2;-webkit-text-stroke-width:
0px;text-decoration-style: initial;text-decoration-color:
initial;word-spacing:0px">
<span style="color:#222222" lang="EN-US">Need: [Html = ()]<o:p></o:p></span></p>
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<br>
Notice that your [proc] code includes a <body> tag, but then
you nest it within another <body> tag!<br>
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