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* Integrate a moderately-patched version of schwarze@'s support for multipleKristaps Dzonsons2011-11-201-1/+1
| | | | | | | | | | | directories containing mandocdb(8) databases. Some changes follow: (1) don't support -M yet; (2) fall back to cwd if no prior manpath has been specified; (3) resolve manpages using realpath() to prevent consecutive chdir()'s over relative paths; (4) note where further error-reporting is required; (5) fix leaking memory on exit in several cases.
* Evaluation with logical subexpressions. This allows support for arbitrary,Kristaps Dzonsons2011-11-181-16/+5
| | | | nested logical subexpressions with AND (-a) and OR (-o) support.
* Have exprcomp() accept a string instead of an array-pointer. Also, collapseKristaps Dzonsons2011-11-141-1/+1
| | | | | the arguments in apropos(1) into a single string passed to exprcomp(). Ok schwarze@.
* Rewrite the expression parser for a more concise syntax:Ingo Schwarze2011-11-131-1/+1
| | | | | | | | | | | | | apropos [search_type[,...]=]substring apropos search_type[,...][,i]~regex ... and expression evaluation must take the search type into account. This allows to: * drop the global -I option and * drop the enum match, just using a boolean int. "go ahead" kristaps@
* Inventing new keywords for mostly the same thing when a well-establishedIngo Schwarze2011-11-131-14/+0
| | | | | | | | | | set of keywords already exists is a bad idea, so reuse the mdoc(7) macro names as apropos(1) search types. This is a gain in brevity as well. Some time ago, kristaps@ agreed in principle. The search type bit field constants are used by both mandocdb(8) and apropos(1) and should better stay in sync, so give them their own header file.
* Less misleading file names; ok kristaps@.Ingo Schwarze2011-11-131-0/+71