diff --git a/docs/CHANGES b/docs/CHANGES index 85c154223..bc85f9d57 100644 --- a/docs/CHANGES +++ b/docs/CHANGES @@ -2424,7 +2424,7 @@ CHANGES BETWEEN 2.3.8 and 2.3.7 is provided for x86 and ARM. See FT_CONFIG_OPTION_INLINE_MULFIX and FT_CONFIG_OPTION_NO_ASSEMBLER (in ftoption.h) for more. - - The handling of `tricky' fonts (this is, fonts which don't work + - The handling of `tricky' fonts (that is, fonts which don't work with the autohinter, needing the font format's hinting engine) has been generalized and changed slightly: @@ -2881,7 +2881,7 @@ CHANGES BETWEEN 2.2 and 2.1.10 II. IMPORTANT CHANGES - - Version 2.2 no longer exposes its internals, this is, the header + - Version 2.2 no longer exposes its internals, that is, the header files located in the `include/freetype/internal' directory of the source package are not copied anymore by the `make install' command. Consequently, a number of rogue clients which directly diff --git a/docs/formats.txt b/docs/formats.txt index 7a4bae09b..4b2f32eab 100644 --- a/docs/formats.txt +++ b/docs/formats.txt @@ -57,7 +57,7 @@ Notes (`*') in the table below. FreeType can be configured to support Mac files (on older Mac OS - versions, a `file' is stored as a data and a resource fork, this is, + versions, a `file' is stored as a data and a resource fork, that is, within two separate data chunks). If a file can't be opened as a font, FreeType then checks whether it is a resource fork, trying to extract the contained font data from either a `POST' or `sfnt' diff --git a/include/freetype/freetype.h b/include/freetype/freetype.h index e855e6cb6..ec3fd31df 100644 --- a/include/freetype/freetype.h +++ b/include/freetype/freetype.h @@ -918,7 +918,7 @@ FT_BEGIN_HEADER * If we have the third named instance of face~4, say, `face_index` is * set to 0x00030004. * - * Bit 31 is always zero (this is, `face_index` is always a positive + * Bit 31 is always zero (that is, `face_index` is always a positive * value). * * [Since 2.9] Changing the design coordinates with @@ -936,7 +936,7 @@ FT_BEGIN_HEADER * * [Since 2.6.1] Bits 16-30 hold the number of named instances * available for the current face if we have a GX or OpenType variation - * (sub)font. Bit 31 is always zero (this is, `style_flags` is always + * (sub)font. Bit 31 is always zero (that is, `style_flags` is always * a positive value). Note that a variation font has always at least * one named instance, namely the default instance. * @@ -1205,13 +1205,13 @@ FT_BEGIN_HEADER * successfully; in all other cases you get an * `FT_Err_Invalid_Argument` error. * - * Note that CID-keyed fonts that are in an SFNT wrapper (this is, all + * Note that CID-keyed fonts that are in an SFNT wrapper (that is, all * OpenType/CFF fonts) don't have this flag set since the glyphs are * accessed in the normal way (using contiguous indices); the * 'CID-ness' isn't visible to the application. * * FT_FACE_FLAG_TRICKY :: - * The face is 'tricky', this is, it always needs the font format's + * The face is 'tricky', that is, it always needs the font format's * native hinting engine to get a reasonable result. A typical example * is the old Chinese font `mingli.ttf` (but not `mingliu.ttc`) that * uses TrueType bytecode instructions to move and scale all of its @@ -2449,7 +2449,7 @@ FT_BEGIN_HEADER * Each new face object created with this function also owns a default * @FT_Size object, accessible as `face->size`. * - * One @FT_Library instance can have multiple face objects, this is, + * One @FT_Library instance can have multiple face objects, that is, * @FT_Open_Face and its siblings can be called multiple times using the * same `library` argument. * @@ -2677,7 +2677,7 @@ FT_BEGIN_HEADER * silently uses outlines if there is no bitmap for a given glyph index. * * For GX and OpenType variation fonts, a bitmap strike makes sense only - * if the default instance is active (this is, no glyph variation takes + * if the default instance is active (that is, no glyph variation takes * place); otherwise, FreeType simply ignores bitmap strikes. The same * is true for all named instances that are different from the default * instance. @@ -2974,7 +2974,7 @@ FT_BEGIN_HEADER * glyph may be transformed. See @FT_Set_Transform for the details. * * For subsetted CID-keyed fonts, `FT_Err_Invalid_Argument` is returned - * for invalid CID values (this is, for CID values that don't have a + * for invalid CID values (that is, for CID values that don't have a * corresponding glyph in the font). See the discussion of the * @FT_FACE_FLAG_CID_KEYED flag for more details. * diff --git a/include/freetype/ftdriver.h b/include/freetype/ftdriver.h index 59804ab1a..7af7465bc 100644 --- a/include/freetype/ftdriver.h +++ b/include/freetype/ftdriver.h @@ -134,7 +134,7 @@ FT_BEGIN_HEADER * each being rounded to the nearest pixel edge, taking care of overshoot * suppression at small sizes, stem darkening, and scaling. * - * Hstems (this is, hint values defined in the font to help align + * Hstems (that is, hint values defined in the font to help align * horizontal features) that fall within a blue zone are said to be * 'captured' and are aligned to that zone. Uncaptured stems are moved * in one of four ways, top edge up or down, bottom edge up or down. @@ -446,7 +446,7 @@ FT_BEGIN_HEADER * at smaller sizes. * * For the auto-hinter, stem-darkening is experimental currently and thus - * switched off by default (this is, `no-stem-darkening` is set to TRUE + * switched off by default (that is, `no-stem-darkening` is set to TRUE * by default). Total consistency with the CFF driver is not achieved * right now because the emboldening method differs and glyphs must be * scaled down on the Y-axis to keep outline points inside their diff --git a/include/freetype/ftimage.h b/include/freetype/ftimage.h index 738b515ed..6baa81256 100644 --- a/include/freetype/ftimage.h +++ b/include/freetype/ftimage.h @@ -862,7 +862,7 @@ FT_BEGIN_HEADER * @FT_SpanFunc that takes the y~coordinate of the span as a parameter. * * The anti-aliased rasterizer produces coverage values from 0 to 255, - * this is, from completely transparent to completely opaque. + * that is, from completely transparent to completely opaque. */ typedef struct FT_Span_ { diff --git a/include/freetype/ftoutln.h b/include/freetype/ftoutln.h index 54434b25f..f9329ca40 100644 --- a/include/freetype/ftoutln.h +++ b/include/freetype/ftoutln.h @@ -118,7 +118,7 @@ FT_BEGIN_HEADER * attachement. * * Similarly, the function returns success for an empty outline also - * (doing nothing, this is, not calling any emitter); if necessary, you + * (doing nothing, that is, not calling any emitter); if necessary, you * should filter this out, too. */ FT_EXPORT( FT_Error ) diff --git a/src/autofit/afblue.dat b/src/autofit/afblue.dat index b7efe8be6..8299baa25 100644 --- a/src/autofit/afblue.dat +++ b/src/autofit/afblue.dat @@ -89,7 +89,7 @@ AF_BLUE_STRING_ENUM AF_BLUE_STRINGS_ARRAY AF_BLUE_STRING_MAX_LEN: "ت ث ط ظ ك" // We don't necessarily have access to medial forms via Unicode in case // Arabic presentational forms are missing. The only character that is - // guaranteed to have the same vertical position with joining (this is, + // guaranteed to have the same vertical position with joining (that is, // non-isolated) forms is U+0640, ARABIC TATWEEL, which must join both // round and flat curves. AF_BLUE_STRING_ARABIC_JOIN diff --git a/src/autofit/aflatin.c b/src/autofit/aflatin.c index 1082fee9a..d84579238 100644 --- a/src/autofit/aflatin.c +++ b/src/autofit/aflatin.c @@ -2038,7 +2038,7 @@ max = seg2->max_coord; /* compute maximum coordinate difference of the two segments */ - /* (this is, how much they overlap) */ + /* (that is, how much they overlap) */ len = max - min; if ( len >= len_threshold ) { diff --git a/src/autofit/afshaper.c b/src/autofit/afshaper.c index 1b8b870e8..abc6f1d29 100644 --- a/src/autofit/afshaper.c +++ b/src/autofit/afshaper.c @@ -258,7 +258,7 @@ /* * We now check whether we can construct blue zones, using glyphs * covered by the feature only. In case there is not a single zone - * (this is, not a single character is covered), we skip this coverage. + * (that is, not a single character is covered), we skip this coverage. * */ if ( style_class->coverage != AF_COVERAGE_DEFAULT ) @@ -313,9 +313,9 @@ * hinted and usually rendered glyph. * * Consider the superscript feature of font `pala.ttf': Some of the - * glyphs are `real', this is, they have a zero vertical offset, but + * glyphs are `real', that is, they have a zero vertical offset, but * most of them are small caps glyphs shifted up to the superscript - * position (this is, the `sups' feature is present in both the GSUB and + * position (that is, the `sups' feature is present in both the GSUB and * GPOS tables). The code for blue zones computation actually uses a * feature's y offset so that the `real' glyphs get correct hints. But * later on it is impossible to decide whether a glyph index belongs to, diff --git a/src/base/ftcalc.c b/src/base/ftcalc.c index 997921883..442b08ddf 100644 --- a/src/base/ftcalc.c +++ b/src/base/ftcalc.c @@ -1061,7 +1061,7 @@ /* */ /* This approach has the advantage that the angle between */ /* `in' and `out' is not checked. In case one of the two */ - /* vectors is `dominant', this is, much larger than the */ + /* vectors is `dominant', that is, much larger than the */ /* other vector, we thus always have a flat corner. */ /* */ /* hypotenuse */ diff --git a/src/base/ftsystem.c b/src/base/ftsystem.c index 98c046b83..61c99e363 100644 --- a/src/base/ftsystem.c +++ b/src/base/ftsystem.c @@ -206,7 +206,7 @@ * The number of bytes to read from the stream. * * @Return: - * The number of bytes actually read. If `count' is zero (this is, + * The number of bytes actually read. If `count' is zero (that is, * the function is used for seeking), a non-zero return value * indicates an error. */ diff --git a/src/cff/cffload.c b/src/cff/cffload.c index f0e1977e2..fa2c29b28 100644 --- a/src/cff/cffload.c +++ b/src/cff/cffload.c @@ -400,7 +400,7 @@ /* Allocate a table containing pointers to an index's elements. */ /* The `pool' argument makes this function convert the index */ - /* entries to C-style strings (this is, null-terminated). */ + /* entries to C-style strings (that is, null-terminated). */ static FT_Error cff_index_get_pointers( CFF_Index idx, FT_Byte*** table, diff --git a/src/cff/cffparse.c b/src/cff/cffparse.c index a31f085d9..89a0263b7 100644 --- a/src/cff/cffparse.c +++ b/src/cff/cffparse.c @@ -622,7 +622,7 @@ dict->has_font_matrix = TRUE; - /* We expect a well-formed font matrix, this is, the matrix elements */ + /* We expect a well-formed font matrix, that is, the matrix elements */ /* `xx' and `yy' are of approximately the same magnitude. To avoid */ /* loss of precision, we use the magnitude of the largest matrix */ /* element to scale all other elements. The scaling factor is then */ diff --git a/src/pshinter/pshalgo.c b/src/pshinter/pshalgo.c index a7f321291..4f622e1e4 100644 --- a/src/pshinter/pshalgo.c +++ b/src/pshinter/pshalgo.c @@ -516,7 +516,7 @@ if ( !psh_hint_is_fitted( parent ) ) psh_hint_align( parent, globals, dimension, glyph ); - /* keep original relation between hints, this is, use the */ + /* keep original relation between hints, that is, use the */ /* scaled distance between the centers of the hints to */ /* compute the new position */ par_org_center = parent->org_pos + ( parent->org_len >> 1 ); diff --git a/src/sdf/ftsdf.c b/src/sdf/ftsdf.c index d8479af10..0a43e9be6 100644 --- a/src/sdf/ftsdf.c +++ b/src/sdf/ftsdf.c @@ -2371,7 +2371,7 @@ * ``` * * (6) Our task is to find a value of `t` such that the above equation - * `Q(t)` becomes zero, this is, the point-to-curve vector makes + * `Q(t)` becomes zero, that is, the point-to-curve vector makes * 90~degrees with the curve. We solve this with the Newton-Raphson * method. * @@ -2684,7 +2684,7 @@ * ``` * * (6) Our task is to find a value of `t` such that the above equation - * `Q(t)` becomes zero, this is, the point-to-curve vector makes + * `Q(t)` becomes zero, that is, the point-to-curve vector makes * 90~degree with curve. We solve this with the Newton-Raphson * method. * diff --git a/src/truetype/ttinterp.c b/src/truetype/ttinterp.c index c6a6cde6b..3b7b21cca 100644 --- a/src/truetype/ttinterp.c +++ b/src/truetype/ttinterp.c @@ -7837,7 +7837,7 @@ /* a variable number of arguments */ /* it is the job of the application to `activate' GX handling, */ - /* this is, calling any of the GX API functions on the current */ + /* that is, calling any of the GX API functions on the current */ /* font to select a variation instance */ if ( exc->face->blend ) exc->new_top = exc->args + exc->face->blend->num_axis; @@ -8397,7 +8397,7 @@ #ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT case 0x91: /* it is the job of the application to `activate' GX handling, */ - /* this is, calling any of the GX API functions on the current */ + /* that is, calling any of the GX API functions on the current */ /* font to select a variation instance */ if ( exc->face->blend ) Ins_GETVARIATION( exc, args );