Commit 18a2979d authored by Eli Zaretskii's avatar Eli Zaretskii
Browse files

Fix spelling and wording of comments.

parent da2cfeef
......@@ -101,14 +101,14 @@ extern char unibyte_has_multibyte_table[256];
} while (0)
/* If C is not ASCII, make it multibyte. It assumes C < 256. */
/* If C is not ASCII, make it multibyte. Assumes C < 256. */
#define MAKE_CHAR_MULTIBYTE(c) \
(eassert ((c) >= 0 && (c) < 256), (c) = unibyte_to_multibyte_table[(c)])
/* This is the maximum byte length of multibyte form. */
#define MAX_MULTIBYTE_LENGTH 5
/* Return a Lisp character whose character code is C. It assumes C is
/* Return a Lisp character whose character code is C. Assumes C is
a valid character code. */
#define make_char(c) make_number (c)
......@@ -118,8 +118,7 @@ extern char unibyte_has_multibyte_table[256];
/* Nonzero iff X is a character. */
#define CHARACTERP(x) (NATNUMP (x) && XFASTINT (x) <= MAX_CHAR)
/* Nonzero iff C is valid as a character code. GENERICP is not used
now. */
/* Nonzero iff C is valid as a character code. GENERICP is not used. */
#define CHAR_VALID_P(c, genericp) ((unsigned) (c) <= MAX_CHAR)
/* Check if Lisp object X is a character or not. */
......@@ -200,9 +199,9 @@ extern char unibyte_has_multibyte_table[256];
2)
/* Store multibyte form of the character C in P. The caller should
allocate at least MAX_MULTIBYTE_LENGTH bytes area at P in advance.
And, advance P to the end of the multibyte form. */
/* Store multibyte form of the character C in P and advance P to the
end of the multibyte form. The caller should allocate at least
MAX_MULTIBYTE_LENGTH bytes area at P in advance. */
#define CHAR_STRING_ADVANCE(c, p) \
do { \
......@@ -233,8 +232,8 @@ extern char unibyte_has_multibyte_table[256];
(ASCII_BYTE_P (byte) || LEADING_CODE_P (byte)) */
#define CHAR_HEAD_P(byte) (((byte) & 0xC0) != 0x80)
/* Just kept for backward compatibility. This macro will be removed
in the future. */
/* Kept for backward compatibility. This macro will be removed in the
future. */
#define BASE_LEADING_CODE_P LEADING_CODE_P
/* How many bytes a character that starts with BYTE occupies in a
......@@ -265,7 +264,7 @@ extern char unibyte_has_multibyte_table[256];
(bytes) = BYTES_BY_CHAR_HEAD (*(str))
/* The byte length of multibyte form at unibyte string P ending at
PEND. If STR doesn't point a valid multibyte form, return 0. */
PEND. If STR doesn't point to a valid multibyte form, return 0. */
#define MULTIBYTE_LENGTH(p, pend) \
(p >= pend ? 0 \
......@@ -281,7 +280,7 @@ extern char unibyte_has_multibyte_table[256];
: 0)
/* Like MULTIBYTE_LENGTH but don't check the ending address. */
/* Like MULTIBYTE_LENGTH, but don't check the ending address. */
#define MULTIBYTE_LENGTH_NO_CHECK(p) \
(!((p)[0] & 0x80) ? 1 \
......@@ -295,8 +294,8 @@ extern char unibyte_has_multibyte_table[256];
: (p)[0] == 0xF8 && ((p)[1] & 0xF0) == 0x80 ? 5 \
: 0)
/* If P is before LIMIT, advance P to the next character boundary. It
assumes that P is already at a character boundary of the sane
/* If P is before LIMIT, advance P to the next character boundary.
Assumes that P is already at a character boundary of the same
mulitbyte form whose end address is LIMIT. */
#define NEXT_CHAR_BOUNDARY(p, limit) \
......@@ -307,7 +306,7 @@ extern char unibyte_has_multibyte_table[256];
/* If P is after LIMIT, advance P to the previous character boundary.
It assumes that P is already at a character boundary of the sane
Assumes that P is already at a character boundary of the same
mulitbyte form whose beginning address is LIMIT. */
#define PREV_CHAR_BOUNDARY(p, limit) \
......@@ -340,7 +339,7 @@ extern char unibyte_has_multibyte_table[256];
: string_char ((p), NULL, NULL))
/* Like STRING_CHAR but set ACTUAL_LEN to the length of multibyte
/* Like STRING_CHAR, but set ACTUAL_LEN to the length of multibyte
form. The argument LEN is ignored. It will be removed in the
future. */
......@@ -360,7 +359,7 @@ extern char unibyte_has_multibyte_table[256];
: string_char ((p), NULL, &actual_len))
/* Like STRING_CHAR but advance P to the end of multibyte form. */
/* Like STRING_CHAR, but advance P to the end of multibyte form. */
#define STRING_CHAR_ADVANCE(p) \
(!((p)[0] & 0x80) \
......@@ -405,8 +404,8 @@ extern char unibyte_has_multibyte_table[256];
} \
while (0)
/* Like FETCH_STRING_CHAR_ADVANCE but return a multibyte character eve
if STRING is unibyte. */
/* Like FETCH_STRING_CHAR_ADVANCE, but return a multibyte character
even if STRING is unibyte. */
#define FETCH_STRING_CHAR_AS_MULTIBYTE_ADVANCE(OUTPUT, STRING, CHARIDX, BYTEIDX) \
do \
......@@ -430,7 +429,7 @@ extern char unibyte_has_multibyte_table[256];
while (0)
/* Like FETCH_STRING_CHAR_ADVANCE but assumes STRING is multibyte. */
/* Like FETCH_STRING_CHAR_ADVANCE, but assumes STRING is multibyte. */
#define FETCH_STRING_CHAR_ADVANCE_NO_CHECK(OUTPUT, STRING, CHARIDX, BYTEIDX) \
do \
......@@ -445,7 +444,7 @@ extern char unibyte_has_multibyte_table[256];
while (0)
/* Like FETCH_STRING_CHAR_ADVANCE but fetch character from the current
/* Like FETCH_STRING_CHAR_ADVANCE, but fetch character from the current
buffer. */
#define FETCH_CHAR_ADVANCE(OUTPUT, CHARIDX, BYTEIDX) \
......@@ -469,7 +468,7 @@ extern char unibyte_has_multibyte_table[256];
while (0)
/* Like FETCH_CHAR_ADVANCE but assumes the current buffer is multibyte. */
/* Like FETCH_CHAR_ADVANCE, but assumes the current buffer is multibyte. */
#define FETCH_CHAR_ADVANCE_NO_CHECK(OUTPUT, CHARIDX, BYTEIDX) \
do \
......@@ -484,7 +483,7 @@ extern char unibyte_has_multibyte_table[256];
while (0)
/* Increase the buffer byte position POS_BYTE of the current buffer to
/* Increment the buffer byte position POS_BYTE of the current buffer to
the next character boundary. No range checking of POS. */
#define INC_POS(pos_byte) \
......@@ -494,7 +493,7 @@ extern char unibyte_has_multibyte_table[256];
} while (0)
/* Decrease the buffer byte position POS_BYTE of the current buffer to
/* Decrement the buffer byte position POS_BYTE of the current buffer to
the previous character boundary. No range checking of POS. */
#define DEC_POS(pos_byte) \
......@@ -541,7 +540,7 @@ extern char unibyte_has_multibyte_table[256];
while (0)
/* Increase the buffer byte position POS_BYTE of the current buffer to
/* Increment the buffer byte position POS_BYTE of the current buffer to
the next character boundary. This macro relies on the fact that
*GPT_ADDR and *Z_ADDR are always accessible and the values are
'\0'. No range checking of POS_BYTE. */
......@@ -553,7 +552,7 @@ extern char unibyte_has_multibyte_table[256];
} while (0)
/* Decrease the buffer byte position POS_BYTE of the current buffer to
/* Decrement the buffer byte position POS_BYTE of the current buffer to
the previous character boundary. No range checking of POS_BYTE. */
#define BUF_DEC_POS(buf, pos_byte) \
......@@ -598,7 +597,7 @@ extern char unibyte_has_multibyte_table[256];
/* Return the width of ASCII character C. The width is measured by
how many columns occupied on the screen when displayed in the
how many columns C will occupy on the screen when displayed in the
current buffer. */
#define ASCII_CHAR_WIDTH(c) \
......@@ -611,7 +610,7 @@ extern char unibyte_has_multibyte_table[256];
: ((NILP (current_buffer->ctl_arrow) ? 4 : 2))))
/* Return the width of character C. The width is measured by how many
columns occupied on the screen when displayed in the current
columns C will occupy on the screen when displayed in the current
buffer. */
#define CHAR_WIDTH(c) \
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment