--- Raymond Toy <toy@rtp.ericsson.se> wrote:
> My own personal feeling is NOT to gratuitously change indentation and
> what not, especially for large functions, no matter how ugly. Why?
> When something breaks and you need to find out why, you can't just do
> a diff between this version and that version, because it will show
> that everything has changed.
Aren't there options that allow diff to handle this? man diff lists
several options which might be helpful in handling indentation changes:
-i --ignore-case
Ignore case differences in file contents.
--ignore-file-name-case
Ignore case when comparing file names.
-E --ignore-tab-expansion
Ignore changes due to tab expansion.
-b --ignore-space-change
Ignore changes in the amount of white space.
-w --ignore-all-space
Ignore all white space.
-B --ignore-blank-lines
Ignore changes whose lines are all blank.
-I RE --ignore-matching-lines=RE
Ignore changes whose lines all match RE.
There must be some combination in all that which allows us to do useful
diffs between differently indented files.
In the long term, fixing atrociously bad indentation could help
readibility of the code, if a solution to diffing could be found.
Any diff gurus around who can tell us if such things work? Or maybe
someone has a Maxima file they have made some changes to and indented
for better readibility as a test case?
CY
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