diff options
| -rw-r--r-- | TODO | 7 | ||||
| -rw-r--r-- | mandoc.c | 24 | ||||
| -rw-r--r-- | mandoc_char.7 | 10 |
3 files changed, 31 insertions, 10 deletions
@@ -40,9 +40,10 @@ are mere guesses, and some may be wrong. - \*(.T prints the device being used, see groff_char(7) for an example - -- \[charNN], \[charNNN] prints a single-byte codepoint - see groff_char(7) for examples + This is slightly hard because -Tlocale only decides to use ascii or + utf8 when initializing the formatter, so the information is not + yet available to the preprocessor at the parsing stage. + loc ** exist ** algo * size * imp * - .ad (adjust margins) .ad l -- adjust left margin only (flush left) @@ -41,7 +41,7 @@ enum mandoc_esc mandoc_escape(const char **end, const char **start, int *sz) { const char *local_start; - int local_sz; + int local_sz, c, i; char term; enum mandoc_esc gly; @@ -330,8 +330,26 @@ mandoc_escape(const char **end, const char **start, int *sz) } break; case ESCAPE_SPECIAL: - if (1 == *sz && 'c' == **start) - gly = ESCAPE_NOSPACE; + if (**start == 'c') { + if (*sz == 1) { + gly = ESCAPE_NOSPACE; + break; + } + if (*sz < 6 || *sz > 7 || + strncmp(*start, "char", 4) != 0 || + (int)strspn(*start + 4, "0123456789") + 4 < *sz) + break; + c = 0; + for (i = 4; i < *sz; i++) + c = 10 * c + ((*start)[i] - '0'); + if (c < 0x21 || (c > 0x7e && c < 0xa0) || c > 0xff) + break; + *start += 4; + *sz -= 4; + gly = ESCAPE_NUMBERED; + break; + } + /* * Unicode escapes are defined in groff as \[u0000] * to \[u10FFFF], where the contained value must be diff --git a/mandoc_char.7 b/mandoc_char.7 index c919f783..84100951 100644 --- a/mandoc_char.7 +++ b/mandoc_char.7 @@ -761,14 +761,16 @@ For backward compatibility with existing manuals, .Xr mandoc 1 also supports the .Pp -.Dl \eN\(aq Ns Ar number Ns \(aq +.Dl \eN\(aq Ns Ar number Ns \(aq and \e[ Ns Cm char Ns Ar number ] .Pp -escape sequence, inserting the character +escape sequences, inserting the character .Ar number from the current character set into the output. Of course, this is inherently non-portable and is already marked -as deprecated in the Heirloom roff manual. -For example, do not use \eN\(aq34\(aq, use \e(dq, or even the plain +as deprecated in the Heirloom roff manual; +on top of that, the second form is a GNU extension. +For example, do not use \eN\(aq34\(aq or \e[char34], use \e(dq, +or even the plain .Sq \(dq character where possible. .Sh COMPATIBILITY |