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SomMeri / less4j

Less language is an extension of css and less4j compiles it into regular css. Less adds several dynamic features into css: variables, expressions, nested rules, and so on. Less was designed to be compatible with css and any correct css file is also correct less file.
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Malformed less causes infinite loop #329

Closed EXPEphall closed 8 years ago

EXPEphall commented 8 years ago

Attempting to import this malformed less causes less4j to go into an infinite loop (at least I assume it is infinite, it will happily run for at least half an hour):

a&.b {
  &:c {
  }
}

less.js compiles it quickly and produces no output. Deleting the first ampersand makes both less4j and less.js compile it quickly to no output.

Discovered while switching a large codebase from lesscss-java to less4j

SomMeri commented 8 years ago

@EXPEphall It is fixed. If you need release fast, please let me know and I will do it. Otherwise I will release in two weeks or so after https://github.com/SomMeri/less4j/pull/330#issuecomment-182754541.

EXPEphall commented 8 years ago

Thanks for fixing this. I'm happy to wait until #330 before a release.