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diff --git a/src/boost/tools/docca/util/comparison/README.md b/src/boost/tools/docca/util/comparison/README.md new file mode 100644 index 000000000..0c869e0d9 --- /dev/null +++ b/src/boost/tools/docca/util/comparison/README.md @@ -0,0 +1,28 @@ +# Docca comparison scripts + +The scripts in this directory help guard against docca regressions by +comparing a previous doc build's output with the latest output +(after normalizing/scrubbing the results to eliminate non-substantive +changes). + +Probably the easiest thing to do is add this directory to your PATH +(or create an alias to the two scripts herein). + +The normal sequence goes like this: + +1. Run a baseline build from inside your project's doc directory by invoking + *update-baseline-html.sh* +2. Implement new feature or bug fix in docca (usually by updating XSLT) +3. Run a comparison build from inside your project's doc directory by invoking + *build-and-compare.sh* +4. Review the output (in diffs.txt) to make sure everything looks good and nothing broke +5. Otherwise, fix the regression and try again! + +This utility can also be useful for examining the impacts of other changes +(such as a Doxygen upgrade!). + +## Implementation details + +The file named *grep-expressions* is used to filter out all but the matching files +that need scrubbing. The resulting files are passed to sed and updated *in situ* based +on the commands in the file named *sed-commands*. |