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* In the past, generating comment nodes stopped at the .TH or .DdIngo Schwarze2019-11-091-0/+1
| | | | | | | | | | | macro, which is usually close to the beginning of the file, right after the Copyright header comments. But espie@ found horrible input files in the textproc/fstrcmp port that generate lots of parse nodes before even getting to the header macro. In some formatters, comment nodes after some kinds of real content triggered assertions. So make sure generation of comment nodes stops once real content is encountered.
* Cleanup, no functional change:Ingo Schwarze2018-12-301-3/+3
| | | | | | | | | | | | | | The struct roff_man used to be a bad mixture of internal parser state and public parsing results. Move the public results to the parsing result struct roff_meta, which is already public. Move the rest of struct roff_man to the parser-internal header roff_int.h. Since the validators need access to the parser state, call them from the top level parser during mparse_result() rather than from the main programs, also reducing code duplication. This keeps parser internal state out of thee main programs (five in mandoc portable) and out of eight formatters.
* Delete the function mparse_readmem() that has been unused for almost aIngo Schwarze2018-12-141-2/+0
| | | | | | decade but regularly makes maintenance harder. Mandoc is not a general-purpose library, and being as pluggable as possible is not among the goals of the project.
* Major cleanup; may imply minor changes in edge cases of error reporting.Ingo Schwarze2018-12-141-6/+2
| | | | | | | | | | | Finally, drop support for the run-time configurable mandocmsg() callback. It was over-engineered from the start, never used for anything in a decade, and repeatedly caused maintenance headaches. Consolidate reporting infrastructure into two files, mandoc.h and mandoc_msg.c, mopping up the bits and pieces that were scattered around main.c, read.c, mandoc_parse.h, libmandoc.h, the prototypes of four parsing-related functions, and both parser structs.
* Cleanup, no functional change:Ingo Schwarze2018-12-131-0/+49
Split the top level parser interface out of the utility header mandoc.h, into a new header mandoc_parse.h, for use in the main program and in the main parser only. Move enum mandoc_os into roff.h because struct roff_man is the place where it is stored. This allows removal of mandoc.h from seven files in low-level parsers and in formatters.