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more clarifications

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svn: r11854
This commit is contained in:
Eli Barzilay 2008-09-24 19:02:34 +00:00
parent 06baadf3a8
commit ea52bc06ad
1 changed files with 27 additions and 8 deletions
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35
collects/handin-server/scribblings/checker.scrbl
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@ -71,6 +71,31 @@ Keywords for configuring @scheme[check:]:
printouts and grading, and is in a subdirectory so students will not
see it on the status web server. Defaults to @scheme[#t].}
@item{@indexed-scheme[:textualize?]---if true, then all submissions
are converted to text, trying to convert objects like images and
comment boxes to some form of text. Defaults to @scheme[#f],
meaning that an exception is raised for submissions that are not all
text. (Effective only when saving a textual version of the
submission files: when @scheme[:create-text?] is on.)
This flag is effective only when saving a textual version of the
submission files --- when @scheme[:create-text?] is on. The
possible configurations are:
@itemize[
@item{@scheme[:create-text?] is on and @scheme[:textualize?] is off
(the default) --- in this case a text version of submissions is
created, and submissions must contain only plain text. The text
file has the same semantics of the submission and can be used to
run student code.}
@item{@scheme[:create-text?] is off --- allowing submissions that
contain non-textual objects, but no text file is created so
grading and testing must be done using DrScheme (because the saved
submission is always in binary format).}
@item{Both flags are on --- allowing submission with non-textual
objects and generating text files, but these files will not be
usable as code since objects like images cannot be represented in
plain text.}]}
@item{@indexed-scheme[:untabify?]---if true, then tabs are converted
to spaces, assuming a standard tab width of 8 places. This is
needed for a correct computation of line lengths, but note that
@ -78,13 +103,6 @@ Keywords for configuring @scheme[check:]:
@scheme[#t]. (Effective only when saving a textual version of the
submission files: when @scheme[:create-text?] is on.)}
@item{@indexed-scheme[:textualize?]---if true, then all submissions
are converted to text, trying to convert objects like comment boxes
and test cases to some form of text. Defaults to @scheme[#f],
meaning that an exception is raised for submissions that are not all
text. (Effective only when saving a textual version of the
submission files: when @scheme[:create-text?] is on.)}
@item{@indexed-scheme[:maxwidth]---a number that specifies maximum
line lengths for submissions (a helpful feature for reading student
code). Defaults to 79. This feature can be disabled if set to
@ -95,7 +113,8 @@ Keywords for configuring @scheme[check:]:
(unrelated to the text-converted files). Defaults to
@filepath{hw.scm}. (The suffix changes the defaults of
@scheme[:markup-prefix] and @scheme[:prefix-re].) Can be
@scheme[#f] for removing the original file after processing.}
@scheme[#f] for removing the original file after processing. The
file is always stored in MrEd's binary format.}
@item{@indexed-scheme[:multi-file]---by default, this is set to
@scheme[#f], which means that only DrScheme is used to send