* lisp/org-colview.el (org-columns-compile-map): Externalize summary
functions. Remove "none" summary.
(org-columns-new): Apply previous removal.
(org-columns--fractional-duration-re): Rename variable to...
(org-columns--duration-re): ... this.
(org-columns-compute): Change how values are computed. This is now done
in one pass. A summarize function is given a list of strings and
possible a format string. It has to return the computed value as
a string.
(org-columns--time-to-seconds):
(org-columns--age-to-seconds):
(org-columns--summary-apply-times):
(org-columns--summary-sum):
(org-columns--summary-currencies):
(org-columns--summary-checkbox):
(org-columns--summary-checkbox-count):
(org-columns--summary-checkbox-percent):
(org-columns--summary-min):
(org-columns--summary-max):
(org-columns--summary-mean):
(org-columns--summary-sum-times):
(org-columns--summary-min-time):
(org-columns--summary-max-time):
(org-columns--summary-mean-time):
(org-columns--summary-min-age):
(org-columns--summary-max-age):
(org-columns--summary-mean-age): New functions.
(org-columns--summary-estimate):
(org-agenda-colview-summarize): Update functions to new process.
(org-columns-string-to-number): Apply variable renaming.
* testing/lisp/test-org-colview.el (test-org-colview/columns-summary):
Fix test. Add some more.
* lisp/org-colview.el (org-columns-compute): Properly summarize values
obtained through inline tasks.
* testing/lisp/test-org-colview.el (test-org-colview/columns-update):
Add test.
Previously, the summary of values from inline tasks was added to to the
summary of values from children.
* lisp/org-colview.el (org-columns--overlay-text): New function.
(org-columns--display-here): Use new function.
(org-columns-update): Properly handle additional decorations to
displayed values (e.g., ellipses).
* testing/lisp/test-org-colview.el (test-org-colview/columns-update):
New test.
