The VTL does not have a trivial construction for strings containing a single
backslash (\)
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Key: VELOCITY-587
URL: https://issues.apache.org/jira/browse/VELOCITY-587
Project: Velocity
Issue Type: Bug
Reporter: Jon Seymour
Priority: Minor
The VTL doesn't currently provide a way to express strings containing a single
backslash (\)
#(set $backslash="\")
results in a lexical error during template parsing.
#(set $backslash="\\")
results in $backslash being assigned a string containing two backslashes (\\)
It appears the only workaround available now is to construct a variable
containing just a single backslash with this idiom:
#(set $twobackslashes="\\")
#(set $backslash=$twobackslashes.substring(0,1))
Even if this can't be fixed in the parser, the documentation should be updated
to define a preferred idiom for obtaining a string containing a single
backslash.
jon.
note: this issue partially duplicates a comment by Guido Deinhammer on issue
#454 regarding other escaping issues. I have raised a separate issue, so that
this one can be addressed separately, if desired.
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