workaround prime cases of issue 10985 in std.regex
std.stdio: Add file locking function
Merge pull request #1814 from CyberShadow/std-stdio-flock

std.stdio: Add file locking functions
Merge pull request #1553 from blackwhale/force-inline-regex

Some simple std.regex optimization
add lref links to std.datetime
Merge pull request #1816 from WalterBright/lref-links

add lref links to std.datetime