Re: ediff not finding diffs

[Kevin Rodgers]

Eric Pement wrote:

> I'm having trouble getting ediff to properly compare two files. The
> files aren't that large overall (20K each), but they do have very long
> lines of up to 5,000 characters. There are differences in these files,
> but ediff is displaying every line highlighted and not displaying the
> contextual word changes.


| `*'
|      Forces refinement of the current difference region, which
|      highlights the exact words of disagreement among the buffers.
|      With a negative prefix argument, unhighlights the current region.
|
|      Forceful refinement may be needed if Ediff encounters a difference
|      region that is larger than `ediff-auto-refine-limit'.  In this
|      situation, Ediff doesn't do automatic refinement in order to
|      improve response time.  (Ediff doesn't auto-refine on dumb
|      terminals as well, but `*' still works there.  However, the only
|      useful piece of information it can tell you is whether or not the
|      difference regions disagree only in the amount of white space.)
|
|      This command is also useful when the highlighted fine differences
|      are no longer current, due to user editing.


> From reading the docs, I found a variable ediff-auto-refine-limit,
> which is the only variable I can see that can be numerically adapted.
> Will changing this enable me to compare very long lines, or should I
> look elsewhere?

What do you think?


| ediff-auto-refine-limit's value is 1400
|
| Documentation:
| *Auto-refine only the regions of this size (in bytes) or less.
|
| Defined in `ediff-diff'.

--
<a href="mailto:&lt;kevin.rodgers&#64;ihs.com&gt;";>Kevin Rodgers</a>