[docs] Reduce warnings
Use markdown syntax for inline code blocks instead of %true, %false, and
%NULL.
diff --git a/src/hb-buffer-serialize.cc b/src/hb-buffer-serialize.cc
index 3f619a1..d1e1775 100644
--- a/src/hb-buffer-serialize.cc
+++ b/src/hb-buffer-serialize.cc
@@ -56,7 +56,7 @@
/**
* hb_buffer_serialize_format_from_string:
* @str: (array length=len) (element-type uint8_t): a string to parse
- * @len: length of @str, or -1 if string is %NULL terminated
+ * @len: length of @str, or -1 if string is `NULL` terminated
*
* Parses a string into an #hb_buffer_serialize_format_t. Does not check if
* @str is a valid buffer serialization format, use
@@ -78,11 +78,11 @@
* hb_buffer_serialize_format_to_string:
* @format: an #hb_buffer_serialize_format_t to convert.
*
- * Converts @format to the string corresponding it, or %NULL if it is not a valid
+ * Converts @format to the string corresponding it, or `NULL` if it is not a valid
* #hb_buffer_serialize_format_t.
*
* Return value: (transfer none):
- * A %NULL terminated string corresponding to @format. Should not be freed.
+ * A `NULL` terminated string corresponding to @format. Should not be freed.
*
* Since: 0.9.7
**/
@@ -400,9 +400,9 @@
* @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
* write serialized buffer into.
* @buf_size: the size of @buf.
- * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of bytes written into @buf.
+ * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf.
* @font: (nullable): the #hb_font_t used to shape this buffer, needed to
- * read glyph names and extents. If %NULL, an empty font will be used.
+ * read glyph names and extents. If `NULL`, an empty font will be used.
* @format: the #hb_buffer_serialize_format_t to use for formatting the output.
* @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
* to serialize.
@@ -514,7 +514,7 @@
* @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
* write serialized buffer into.
* @buf_size: the size of @buf.
- * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of bytes written into @buf.
+ * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf.
* @format: the #hb_buffer_serialize_format_t to use for formatting the output.
* @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
* to serialize.
@@ -637,9 +637,9 @@
* @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
* write serialized buffer into.
* @buf_size: the size of @buf.
- * @buf_consumed: (out) (optional): if not %NULL, will be set to the number of bytes written into @buf.
+ * @buf_consumed: (out) (optional): if not `NULL`, will be set to the number of bytes written into @buf.
* @font: (nullable): the #hb_font_t used to shape this buffer, needed to
- * read glyph names and extents. If %NULL, an empty font will be used.
+ * read glyph names and extents. If `NULL`, an empty font will be used.
* @format: the #hb_buffer_serialize_format_t to use for formatting the output.
* @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
* to serialize.
@@ -727,7 +727,7 @@
* hb_buffer_deserialize_glyphs:
* @buffer: an #hb_buffer_t buffer.
* @buf: (array length=buf_len): string to deserialize
- * @buf_len: the size of @buf, or -1 if it is %NULL-terminated
+ * @buf_len: the size of @buf, or -1 if it is `NULL`-terminated
* @end_ptr: (out) (optional): output pointer to the character after last
* consumed one.
* @font: (nullable): font for getting glyph IDs
@@ -736,7 +736,7 @@
* Deserializes glyphs @buffer from textual representation in the format
* produced by hb_buffer_serialize_glyphs().
*
- * Return value: %true if @buf is not fully consumed, %false otherwise.
+ * Return value: `true` if @buf is not fully consumed, `false` otherwise.
*
* Since: 0.9.7
**/
@@ -800,7 +800,7 @@
* hb_buffer_deserialize_unicode:
* @buffer: an #hb_buffer_t buffer.
* @buf: (array length=buf_len): string to deserialize
- * @buf_len: the size of @buf, or -1 if it is %NULL-terminated
+ * @buf_len: the size of @buf, or -1 if it is `NULL`-terminated
* @end_ptr: (out) (optional): output pointer to the character after last
* consumed one.
* @format: the #hb_buffer_serialize_format_t of the input @buf
@@ -808,7 +808,7 @@
* Deserializes Unicode @buffer from textual representation in the format
* produced by hb_buffer_serialize_unicode().
*
- * Return value: %true if @buf is not fully consumed, %false otherwise.
+ * Return value: `true` if @buf is not fully consumed, `false` otherwise.
*
* Since: 2.7.3
**/
