Prohibit vertical bar in COMMENT, to avoid generating syntactically wrong INDEX files.
Explain in which cases a distinfo file is not needed.
Fix detection of redundant trailing semicolon at the end of a command line.
A semicolon that is escaped is not redundant, this pattern is often found
in find commands.
Recognize indirect modifiers such as ${VAR:${M_indirect}}.
Allow the '::=' modifier family in the pkgsrc infrastructure.
Mark USE_CMAKE as deprecated.
Fix the -Wall option not to imply -Werror.
Note redundant trailing semicolons in shell commands.
Ignore all Git and GitHub files.
Added the -Werror option, which treats warnings as errors.
Fixed the wrong suggestion that list variables or variables of an unknown type
could be compared using ${LIST} == word instead of ${LIST:Mword}.
Fixed the wrong warning when a value is appended using += to a variable of
unknown type.