currentcolor.patch

diff --git a/pikchr.h.in b/pikchr.h.in
index 60cae5a..834f278 100644
--- a/pikchr.h.in
+++ b/pikchr.h.in
@@ -32,6 +32,12 @@ char *pikchr(
 */
 #define PIKCHR_DARK_MODE        0x0002
 
+/* Include PIKCHR_CURRENTCOLOR_FOR_BLACK among the bits of mFlags on
+** the 3rd argument to pikchr() to have color exactly 0.0 (black)
+** emitted as "currentColor" instead of "rgb(0,0,0)".
+*/
+#define PIKCHR_CURRENTCOLOR_FOR_BLACK 0x0004
+
 /* Return a static string that describes the current version of pikchr
 */
 const char *pikchr_version(void);
diff --git a/pikchr.y b/pikchr.y
index 8c4d89d..7605653 100644
--- a/pikchr.y
+++ b/pikchr.y
@@ -413,6 +413,12 @@ struct Pik {
 */
 #define PIKCHR_DARK_MODE        0x0002
 
+/* Include PIKCHR_CURRENTCOLOR_FOR_BLACK among the bits of mFlags on
+** the 3rd argument to pikchr() to have color exactly 0.0 (black)
+** emitted as "currentColor" instead of "rgb(0,0,0)".
+*/
+#define PIKCHR_CURRENTCOLOR_FOR_BLACK 0x0004
+
 /*
 ** The behavior of an object class is defined by an instance of
 ** this structure. This is the "virtual method" table.
@@ -1733,7 +1739,7 @@ static void splineRender(Pik *p, PObj *pObj){
 static void textInit(Pik *p, PObj *pObj){
   pik_value(p, "textwid",7,0);
   pik_value(p, "textht",6,0);
-  pObj->sw = 0.0;
+  pObj->sw = -0.00001;
 }
 static PPoint textOffset(Pik *p, PObj *pObj, int cp){
   /* Automatically slim-down the width and height of text
@@ -2230,10 +2236,14 @@ static void pik_append_clr(Pik *p,const char *z1,PNum v,const char *z2,int bg){
   }else if( p->mFlags & PIKCHR_DARK_MODE ){
     x = pik_color_to_dark_mode(x,bg);
   }
-  r = (x>>16) & 0xff;
-  g = (x>>8) & 0xff;
-  b = x & 0xff;
-  snprintf(buf, sizeof(buf)-1, "%srgb(%d,%d,%d)%s", z1, r, g, b, z2);
+  if( p->mFlags & PIKCHR_CURRENTCOLOR_FOR_BLACK && v==0.0 ){
+    snprintf(buf, sizeof(buf)-1, "%scurrentColor%s", z1, z2);
+  }else{
+    r = (x>>16) & 0xff;
+    g = (x>>8) & 0xff;
+    b = x & 0xff;
+    snprintf(buf, sizeof(buf)-1, "%srgb(%d,%d,%d)%s", z1, r, g, b, z2);
+  }
   buf[sizeof(buf)-1] = 0;
   pik_append(p, buf, -1);
 }
@@ -4615,7 +4625,7 @@ static void pik_render(Pik *p, PList *pList){
 
     /* Output the SVG */
     pik_append(p, "<svg xmlns='http://www.w3.org/2000/svg'"
-                  " style='font-size:initial;'",-1);
+                  /* " style='font-size:initial;'" */,-1);
     if( p->zClass ){
       pik_append(p, " class=\"", -1);
       pik_append(p, p->zClass, -1);