source:

Revision Log Mode:


Legend:

Added
Modified
Copied or renamed
Graph Diff Rev Age Author Log Message
(edit) @3ca7ef3   4 years pabuhr formatting ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @3e9de01   4 years pabuhr fix --help for cfa-cc by adding "OA" to optstring ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @a4bdbcd   4 years pabuhr formatting ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @fd2f4a9   4 years pabuhr clean up ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @25744d2   4 years pabuhr make suspend a keyword, make @= not a syntax error, deprecated typedef … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @aa5777c   4 years pabuhr reformat for submission ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @c6391e6   4 years pabuhr change location of concurrency benchmark to github ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @d052a2c   4 years pabuhr hopefully final changes for paper ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @6b6b9ba   4 years pabuhr 3rd round referee replies ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @e0116c4e   4 years pabuhr responses for 3rd round of refereeing ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @f2b61c6   4 years pabuhr shorten title ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @128c4e4   4 years pabuhr update to CFAStyle macro ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @179510c5   4 years pabuhr add PDFSETTINGS=/prepress to ps2pdf conversion ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @2260d9e1   4 years pabuhr update to CFAStyle macro, add red highlighting for C++ ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @d7962de4   4 years pabuhr formatting ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @14d71ed   4 years pabuhr update to CFAStyle macro ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @079ed52   4 years pabuhr shorten length of reference ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @8d627d9   4 years pabuhr rename macro CFADefaults to CFAStyle, clean up macros ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @6b93634   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @341e252   4 years Thierry Delisle Removed redundant lines ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @0d72d45   4 years Thierry Delisle Fix old unpark in io setup ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @2c3562d   4 years Thierry Delisle Fized argument passing for benchmarks which don't produce an ELF executable ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @91131689   4 years ajbeach Polymorphic structure cyclicic definitions are now tested with both … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @615767b   4 years pabuhr Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc into master ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @ebec8ed   4 years pabuhr finish last changes to report ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @dd53f75   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @b4b63e8   4 years Thierry Delisle Fixed missing changes to park/unpark. Added canary to threads to check … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @17b6fc9   4 years f37yu Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc into master ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @1c1395d   4 years f37yu cleanup commented code ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @9dc3eb21   4 years f37yu fix #196 ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @e235429   4 years Thierry Delisle Removed last parker/unparker information is it was not particularly useful ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @038110a   4 years Thierry Delisle Fixed typos and added thread/monitor/coroutine wrapper for gdb ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @506d4f0   4 years pabuhr updated zombie programs but still not ready for prime time ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @e96e439   4 years pabuhr remove const from limits as workaround for trac ticket #182 ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @4e39f51   4 years Thierry Delisle More work towards dynamically picking a framework, however … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @29185fc   4 years Thierry Delisle Working towards allowing different thread frameworks to be picked from … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @d035cf7   4 years Thierry Delisle Added first attempt at libfibre implementation ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @69addb4   4 years pabuhr Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc into master ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @1526e86   4 years pabuhr small updates and some more questions ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @87b9332   4 years ajbeach Moved 'examples/' to 'tests/zombies/'. ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @08e8851   4 years f37yu Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc into master ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @2ff78aae   4 years f37yu update documentation, added sections for cost and appendix ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @d13dd6b   4 years ajbeach Added the example for trac#196. ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @21c3ea1   4 years Thierry Delisle Removed python signal handling which caused issues on ubuntu20.04. … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @f866d15   4 years Thierry Delisle test.py now warns if an .expect file is empty ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @40c81e5   4 years Thierry Delisle More formatting ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @e927ba8   4 years Thierry Delisle Fix builtins/sync test ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @7ab28b69   4 years Thierry Delisle Removed unnecessary line causing a warning ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @e6cfb4e2   4 years Thierry Delisle synteax only tests now cp error log into target file. Small … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @8a71d8e   4 years Thierry Delisle changed LC_ALL to C which seems to be common for scripts ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @0a19c51   4 years Thierry Delisle Tests now compile with LC_ALL=en_US.ascii, to attempt to remove … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @66812dd   4 years pabuhr convert tests to always print output (no empty .expect files) ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @bd47f35   4 years Thierry Delisle Ran longer java experiences for concurrency paper ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @c7806122   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @91fb850   4 years Thierry Delisle Removed unstable linkerror test ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @6750bcd   4 years Thierry Delisle proto-gui now supports passing settings as std arguments ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @73fbe91   4 years Thierry Delisle Added first draft of gui prototype implemented with pthreads ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @33f3cfb   4 years ajbeach Moved glossaries out of Andrew Beach thesis. Even if I use them I … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @f9f3775   4 years Thierry Delisle Moved phd code for the readQ prototype to it's own folder ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @bb662027   4 years Thierry Delisle Added cfathread C library which encapsulates a small part of libcfa … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @ca0e0a9   4 years pabuhr formatting ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @a9f0c65   4 years pabuhr update refrat manual to reflect new common.tex changes ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @d8b17e2   4 years Thierry Delisle update gdb support after change to ready queue to use RWlock ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @58d64a4   4 years Thierry Delisle processor_id_t now have a bool to state if it is a full processor. … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @433d352   4 years Thierry Delisle Parse args now uses weak globals to allow linking with C. ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @a3f53d64   4 years pabuhr Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc into master ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @10d78f1   4 years pabuhr update user manual to reflect new common.tex changes ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @6cc913e   4 years f37yu Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc into master ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @954c954   4 years f37yu Move function argument and return variable declarations from … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @cebfcb8   4 years pabuhr convert Fangren's co-op report to latex and proofread ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @9e620b6   4 years pabuhr update keywords for CFA and C++ ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @552b5ec   4 years pabuhr separate Latin and non-Latin escape characters ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @eccb14d   4 years Thierry Delisle Missed fix in madvise ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @4ab3cf9b   4 years Thierry Delisle Fixed typos and small errors in io/call.cfa.in ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @2a658e9   4 years Thierry Delisle Updated java benchmarks to support repetitions beyond 232 ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @305cd5c   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @0a945fd   4 years Thierry Delisle Minor fixes in compII ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @7a80113   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @fe94e708   4 years Thierry Delisle Added missing quiet flag ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @08f3ad3   4 years pabuhr Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc into master ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @31a6f38   4 years pabuhr complete proofread of Thierry's PhD Comp II document ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @ace2e92   4 years Thierry Delisle Fix deprecated HAVE_PREADV2/HAVE_PWRITEV2 macros. Disabled diagnostics … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @0e52f14   4 years Thierry Delisle Fixed where io types are added ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @930e57e   4 years Thierry Delisle Fix io types to work without io_uring ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @0519e34   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @b2a11ba   4 years ajbeach Rename WithConstTypeSubstitution? from env to typeSubs to avoid name … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @a951171   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @673eb7a   4 years Thierry Delisle Tentative fix for meta test linkerror which would have different … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @57e0289   4 years Thierry Delisle Added stats option to print stats per expression in new-ast resolution ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @468c5aa   4 years Thierry Delisle Change tests to not print cfa version in linker error output ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @c09ae73   4 years Thierry Delisle Removed hack in Jenkins file that is no longer needed after .autogen change ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @2724b4e   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @c402739f   4 years Thierry Delisle I/O operations now use futures. io calls implementation are now … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @da9a27c   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @2aa25cc2   4 years Thierry Delisle Tentative fix for expression ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @a7c31e0   4 years ajbeach This should solve trac#217 and by its fallout the cancellation problem. ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @1def117b   4 years Thierry Delisle Merge branch 'master' of plg.uwaterloo.ca:software/cfa/cfa-cc ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @0dbecad   4 years Thierry Delisle Added tests for join thread ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @09bbe78   4 years Thierry Delisle Fix 2 cases where the test would open files as utf-8 and could fail ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
(edit) @77a2994   4 years Thierry Delisle Implemented joining of threads. It behaves very similarly to monitor … ADTarm-ehast-experimentalenumforall-pointer-decayjacob/cs343-translationnew-ast-unique-exprpthread-emulationqualifiedEnum
Note: See TracRevisionLog for help on using the revision log.