[PATCH] LineIterator: Provide a variant that keeps blank lines

[Duncan P. N. Exon Smith]

> On 2014-Sep-16, at 16:05, Justin Bogner <mail at justinbogner.com> wrote:
> 
> Currently, line_iterator skips blanks lines. This isn't always the most
> useful behaviour, though, as evidenced by the somewhat awkward use in
> llvm-cov. This adds a knob to control whether or not to skip blanks.
> 
> WDYT?
> 
> <line_iterator.patch>_______________________________________________

Patch missing?  (All I see is the log message.)