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Ok I see from the syntax/parse source that it uses lctx as the first
argument to datum->syntax, so that mostly answers my question.<br>
<br>
On 05/17/2012 02:41 PM, Jon Rafkind wrote:
<blockquote cite="mid:4FB56262.901@cs.utah.edu" type="cite">
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What exactly are the semantics of #:at inside a #:literal-sets ([x
#:at y]) ?<br>
<br>
From the docs "
<meta http-equiv="content-type" content="text/html;
charset=ISO-8859-1">
<span style="color: rgb(0, 0, 0); font-family: serif; font-style:
normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: normal; orphans: 2;
text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); font-size: medium;
display: inline !important; float: none; ">If the<span
class="Apple-converted-space"> </span></span><span
class="RktPn" style="font-family: monospace; white-space:
normal; color: rgb(132, 60, 36); font-style: normal;
font-variant: normal; font-weight: normal; letter-spacing:
normal; line-height: normal; orphans: 2; text-align: left;
text-indent: 0px; text-transform: none; widows: 2; word-spacing:
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width:
0px; background-color: rgb(255, 255, 255); ">#:at</span><span
style="color: rgb(0, 0, 0); font-family: serif; font-style:
normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: normal; orphans: 2;
text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); font-size: medium;
display: inline !important; float: none; "><span
class="Apple-converted-space"> </span>keyword is given, the
lexical context of the<span class="Apple-converted-space"> </span></span><span
class="RktVar" style="font-family: monospace; white-space:
normal; color: rgb(38, 38, 128); font-style: italic;
font-variant: normal; font-weight: normal; letter-spacing:
normal; line-height: normal; orphans: 2; text-align: left;
text-indent: 0px; text-transform: none; widows: 2; word-spacing:
0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width:
0px; background-color: rgb(255, 255, 255); ">lctx</span><span
style="color: rgb(0, 0, 0); font-family: serif; font-style:
normal; font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: normal; orphans: 2;
text-align: left; text-indent: 0px; text-transform: none;
white-space: normal; widows: 2; word-spacing: 0px;
-webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;
background-color: rgb(255, 255, 255); font-size: medium;
display: inline !important; float: none; "><span
class="Apple-converted-space"> </span>term is used to
determine which identifiers in the patterns are treated as
literals;". In what way is 'lctx' used?<br>
</span> <br>
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