escape a couple of back-slashes in man-page Otherwise: . (with the \040 specifying a space in the regular expression, and and extra '\' to escape it) . is rendered as: . (with the $ 40 specifying a space in the regular expression, and and extra `$ยด to escape it)
fix some single-quoted strings in man-page The upstream commit 721aadc140f2 ("man: change quoting style") replaced single-quoted strings of the form: . 'lorem ipsum' . with: . `lorem ipsum' . to prevent the possibility of single quotes appearing at the beginning of lines, because these will be misinterpreted by troff. However, changes to the man-page sources in 1.12.9 reintroduced some of these, including one which does appear at the beginning of a line in mu-query(7): . '"', '*', '(' and ')'. The details are shell-specific. In case of doubt, the . which results in the following warning: . troff:<standard input>:25: warning: macro '"',' not defined . and the omission of that line from the rendered paragraph: . NOTE: if you use queries on the command-line (say, for mu find), you need to quote any characters that would otherwise be interpreted by the shell, such as *--analyze option can be useful. . Use back-ticks for the opening quotes.