Fixed #414 parser ignoring value of tab_length

[karepker]

Changed hard-coded numbers assuming tab length to be 4 to use self.tab_length.

This change applies to he default parsers in mardown/blockprocessors.py and those in markdown/extensions/sane_lists.py.

All current tests should pass.

[waylan]

Shouldn't super be called here (and in all other subclassesd below)?

[karepker]

Are you targeting compatibility with Python 2? If so, I'm not sure super() would work in this context, because using it requires new style classes.

Also, a call to super() seems like it would be inconsistent in the code base. In ListIndentProcessor.__init__(...) method (line 144 in markdown/blockprocessors.py), there is a call to BlockProcessor.__init__(...).

[waylan]

Looks like I missed updating a class to new style classes in 794bffb. As the release notes stated (for 2.3 -- that was a while ago):

All classes are now “new-style” classes. In other words, all classes subclass from ‘object’.

However, I can clearly see that Blockprocessor does not. Looks like this whole file needs to be updated to be consistent with the rest of the library. If want to do that, great. If not, I'll take care of it myself.

[karepker]

Sure, I'm happy to make this change. I'll update the pull request shortly.

[waylan]

@karepker if you address my two comments and fix the white space issues raised by the flake8 test I'll be happy to merge this.

[coveralls]

Coverage increased (+0.02%) to 92.95% when pulling cced40a on karepker:master into e594213 on waylan:master.

[coveralls]

Coverage increased (+0.02%) to 92.953% when pulling cced40a on karepker:master into e594213 on waylan:master.

[karepker]

See my questions regarding the use of super(). I'll make the other changes.

[coveralls]

Coverage increased (+0.02%) to 92.95% when pulling d3cc989 on karepker:master into e594213 on waylan:master.

[coveralls]

Coverage increased (+0.02%) to 92.95% when pulling d3cc989 on karepker:master into e594213 on waylan:master.

[coveralls]

Coverage increased (+0.02%) to 92.95% when pulling 99257e4 on karepker:master into e594213 on waylan:master.

[waylan]

Awesome. Thanks.