| The first lines of CVSHigh.hs are:
| > {-# This module encapsulates the basic CVS functionality we need,
| > calling CVSBasic to issue the commands, looking at the output,
| > and returning what we need to know in a Haskell-friendly form.
| > #-}
| > module CVSHigh(
| (The complete module is attached)
| The file compiles OK, but to my surprise, I cannot find CVSHigh.hi.
| Further investigation reveals that instead I have "encapsulates.hi"
| (also attached). It looks as if GHC chooses the name "encapsulates"
| from the comment. Indeed if I change "encapsulates" to "wraps"
| I get wraps.hi. However if I replace "This module e" by "E", sanity
| returns.
|
| So er what exactly is going on please? I thought that unless
| a comment
| began with something like OPTIONS or INLINE it would be treated as
| a "real" comment.
Ummm ... err ...
Ok. Here's the Awful Truth.
ghc-5 does a quick pre-scan over source modules in order to establish
their name and what they import. A bit like ghc -M. This is to support
the automatic dependency analysis in the --make mode. Because this
scan needs to be fast it is also pretty stupid, and when it sees
"module encapsulates", I guess it thinks it has found the module name.
I am a bit surprised because I thought I made the dependency chaser at
least ignore running comments. I'll look into it.
J
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