keyword: copy: when copied source is a symlink, follow it 1) hg cp symlink copy -> copy is a symlink. 2) cp symlink copy; hg cp -A symlink copy -> copy is a regular file. In the second case we have to follow the symlink to its target to find out whether we have to unexpand keywords in the copy. Add test covering the case where the copied link's target is ignored by keyword but has content which would match the regex for expanded keywords to check whether we indeed leave the destination alone.

makedirs: abort if parent == name (issue2531) catches unknown drive letters on Windows

win32mbcs: use extsetup() to wrap functions only once. Using reposetup() may cause multiple-wrap issue in some situation like "hg serve".

hgwebdir: fix incorrect index generation for invalid paths (issue2023) edd07be943dd moved the subdirectory match inside the repository match loop. A virtual path existing/path/invalid/path would then match existing/path, and generate a wrong index page.

serve: fix doc typo

mq: fix failing qrefresh test Additions to test-mq-qrefresh.t in f08df4d38442 (mq: ignore subrepos (issue2499)) were originally based on a version prior to d0e21c5fde41 (subrepo: handle missing subrepo spec file as removed). This fixes a test failure that resulted from the former being applied after the latter, noticed by abuehl.

makedate: abort on negative timestamps (issue2513) catches weird clock settings

parsedate: abort on negative dates (issue2513) catches "hg commit -d '-7654321 3600'" (example)

merge with i18n

i18n-pt_BR: synchronized with f08df4d38442