X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=FORMATS%2FFLT.txt;h=bf7ea152a8a187129047eaa4d4e6aac1a04ac328;hb=374579adf0e0e307ee42b6a29a6788aeafd3ad8e;hp=475b9a9afc6218f2922e30cfc7a95379206b1c59;hpb=f3cd9bd33ed4148ef3f79025fa957adba434cbab;p=m17n%2Fm17n-db.git

diff --git a/FORMATS/FLT.txt b/FORMATS/FLT.txt
index 475b9a9..bf7ea15 100644
--- a/FORMATS/FLT.txt
+++ b/FORMATS/FLT.txt
@@ -102,7 +102,7 @@ STAGE ::= CATEGORY-TABLE ? GENERATOR
 CATEGORY-TABLE ::= '(' 'category' CATEGORY-SPEC + ')'
 
 CATEGORY-SPEC ::= '(' CODE CATEGORY ')'
-	      	  | '(' CODE CODE CATEGORY ')'
+                  | '(' CODE CODE CATEGORY ')'
 
 CODE ::= INTEGER
 
@@ -121,8 +121,8 @@ whose code falls between the two @c CODEs.
 GENERATOR ::= '(' 'generator' RULE MACRO-DEF * ')'
 
 RULE ::= REGEXP-BLOCK | MATCH-BLOCK | SUBST-BLOCK | COND-BLOCK
-	 | DIRECT-CODE | COMBINING-SPEC | OTF-SPEC
-	 | PREDEFINED-RULE | MACRO-NAME
+         | DIRECT-CODE | COMBINING-SPEC | OTF-SPEC
+         | PREDEFINED-RULE | MACRO-NAME
 
 MACOR-DEF ::= '(' MACRO-NAME RULE + ')'
 @endverbatim
@@ -215,8 +215,8 @@ MATCH-BLOCK ::= '(' MATCH-INDEX RULE * ')'
 MATCH-INDEX ::= INTEGER
 @endverbatim
 
-MATCH-INDEX is an integer specifying a parenthesized subexpression
-recoded by the previous @c REGEXP-BLOCK.  If such a subexpression was
+@c MATCH-INDEX is an integer specifying a parenthesized subexpression
+recorded by the previous @c REGEXP-BLOCK.  If such a subexpression was
 found by the previous regular expression matching, this rule executes @c
 RULEs temporarily limiting the current run to the matched part
 of the subexpression.  The matched part is consumed by this rule.
@@ -227,10 +227,10 @@ If this is the first rule of the stage, @c MATCH-INDEX must be 0, and
 it matches the whole current run.
 
 @verbatim
-SUBST-BLOCK ::=	'(' SOURCE-PATTERN RULE * ')'
+SUBST-BLOCK ::= '(' SOURCE-PATTERN RULE * ')'
 
 SOURCE-PATTERN ::= '(' CODE + ')'
-	       	   | (' 'range' CODE CODE ')'
+                   | (' 'range' CODE CODE ')'
 @endverbatim
 
 If the sequence of codes of the current run matches @c SOURCE-PATTERN,
@@ -243,8 +243,9 @@ zero.
 
 The second form specifies a range of codes that should match the first
 glyph code of the code sequence.  In this case, this rule sets the
-default code-offset to the first glyph code minus the first @c CODE in @c
-SOURCE-RANGE.
+default code-offset to the first glyph code minus the first @c CODE
+specifying the range.
+
 
 If no match is found, this rule fails.
 
@@ -287,7 +288,7 @@ For @c LANGSYS, @c SYMBOL specifies a Language System tag name.  If @c
 LANGSYS is omitted, the Default Language System
 table is used.
 
-For @c GSUB-FEATURES, each @c SYMBOL specifies a GSUB Feature tag name
+For @c GSUB-FEATURES, each @c SYMBOL in @c FEATURE LIST specifies a GSUB Feature tag name
 to apply.  '*' is allowed as the last item to specify all remaining
 features.  If @c SYMBOL is preceded by '~' and the last item is '*',
 @c SYMBOL is excluded from the features to apply.  If no @c SYMBOL is
@@ -361,13 +362,13 @@ The next glyph is drawn so that these two reference points align.
 @c OFFSET specifies the way of alignment in detail.  If it is '.', the
 reference points are on the same position.
 
-@c XOFF specifies how much the X position of the next reference point
-should be shifted to the right ('<') or left ('>') from the previous
-reference point.
+@c XOFF specifies how much the X position of the reference point of
+the next glyph should be shifted to the right ('<') or left ('>') from
+the previous reference point.
 
-@c YOFF specifies how much the Y position of the next reference point
-should be shifted upward ('+') or downward ('-') from the previous reference
-point.
+@c YOFF specifies how much the Y position of the reference point the
+next glyphshould be shifted upward ('+') or downward ('-') from the
+previous reference point.
 
 In both cases, @c INTEGER is the amount of shift expressed as a
 percentage of the font size, i.e., if @c INTEGER is 10, it means
@@ -393,9 +394,9 @@ is drawn with font F1 while the preceding sequence S0 unconditionally
 requires font F0.
 
 @verbatim
-  sequence				S0	S1
-  currently used font			F0	F1
-  usable font(s)			F0	F1
+  sequence                              S0      S1
+  currently used font                   F0      F1
+  usable font(s)                        F0      F1
 @endverbatim
 
 Sometimes, however, a clear separation of sequences is not possible.
@@ -403,9 +404,9 @@ Suppose that the preceding sequence S0 can be drawn not only with F0
 but also with F1.
 
 @verbatim
-  sequence				S0	S1
-  currently used font			F0	F1
-  usable font(s)			F0,F1	F1
+  sequence                              S0      S1
+  currently used font                   F0      F1
+  usable font(s)                        F0,F1   F1
 @endverbatim
 
 In this case, glyphs used to draw the preceding S0 may affect glyph