suzanne.soy/racket
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix ambiguous wording about #! as a synonym for #lang

Browse Source 
svn: r11420
This commit is contained in:
Matthew Flatt 2008-08-25 15:39:26 +00:00
parent 014001b778
commit 0c56691440
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
collects/scribblings/reference/reader.scrbl
View File

@ -809,11 +809,12 @@ sequence must not start or end with @litchar{/}. A sequence
that the terminating whitespace (if any) is consumed before the
external reading procedure is called.
Finally, @as-index{@litchar{#!}} followed by alphanumeric ASCII,
@litchar{+}, @litchar{-}, or @litchar{_} is a synonym for
@litchar{#lang} followed by a space. Use of this synonym is discourage
except as needed to construct programs that conform to certain
grammars, such as that of R@superscript{6}RS @cite["Sperber07"].
Finally, @as-index{@litchar{#!}} is a synonym for @litchar{#lang}
followed by a space when @litchar{#!} is followed by alphanumeric
ASCII, @litchar{+}, @litchar{-}, or @litchar{_}. Use of this synonym
is discouraged except as needed to construct programs that conform to
certain grammars, such as that of R@superscript{6}RS
@cite["Sperber07"].
By convention, @litchar{#lang} normally appears at the beginning of a
file, possibly after comment forms, to specify the syntax of a module.