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* With the improved escape sequence parser, it becomes easy to also improveIngo Schwarze2022-06-051-2/+2
| | | | | | | | | diagnostics. Distinguish "incomplete escape sequence", "invalid special character", and "unknown special character" from the generic "invalid escape sequence", also promoting them from WARNING to ERROR because incomplete escape sequences are severe syntax violations and because encountering an invalid or unknown special character makes it likely that part of the document content intended by the authors gets lost.
* delete the two pairs of extra blank lines from expected man(7) terminalIngo Schwarze2021-06-282-8/+0
| | | | output that are no longer printed since man_term.c rev. 1.236
* Rudimentary implementation of the roff(7) .char (output glyphIngo Schwarze2018-08-256-0/+59
definition) request, used for example by groff_hdtbl(7). This simplistic implementation may interact incorrectly with the .tr (input character translation) request. But come on, you are not only using .char *and* .tr, but you do so with respect to the same character in the same manual page?