From f24b0b9728f87d7599867a4ba6ec7d30da43b869 Mon Sep 17 00:00:00 2001
From: Ebrahim Byagowi <ebrahim@gnu.org>
Date: Thu, 12 Apr 2018 13:40:45 +0430
Subject: [PATCH] Update the links and revive the dead ones

---
 src/hb-common.cc                           |  4 ++--
 src/hb-common.h                            |  6 +++---
 src/hb-coretext.cc                         |  6 +++---
 src/hb-ft.cc                               |  2 +-
 src/hb-ot-cmap-table.hh                    | 12 ++++++------
 src/hb-ot-layout-common-private.hh         |  8 ++++----
 src/hb-ot-layout-private.hh                |  2 +-
 src/hb-ot-layout.h                         |  2 +-
 src/hb-ot-shape-complex-arabic.cc          |  4 ++--
 src/hb-ot-shape-complex-indic-private.hh   |  2 +-
 src/hb-ot-shape-complex-indic.cc           |  4 ++--
 src/hb-ot-shape-complex-khmer.cc           |  2 +-
 src/hb-ot-shape-complex-myanmar-private.hh |  2 +-
 src/hb-ot-shape-complex-myanmar.cc         |  2 +-
 src/hb-ot-shape-complex-thai.cc            |  2 +-
 src/hb-ot-shape-complex-use-private.hh     |  2 +-
 src/hb-ot-shape-complex-use.cc             |  2 +-
 src/hb-ot-shape-fallback.cc                |  2 +-
 src/hb-ot-tag.cc                           |  9 ++++-----
 src/hb-private.hh                          |  4 ++--
 src/hb-string-array.hh                     |  2 +-
 src/hb-unicode-private.hh                  | 18 +++++++++---------
 test/api/test-buffer.c                     |  2 +-
 test/api/test-ot-tag.c                     |  6 +++---
 test/api/test-shape.c                      |  2 +-
 25 files changed, 54 insertions(+), 55 deletions(-)

diff --git a/src/hb-common.cc b/src/hb-common.cc
index b16c9324a..bc54db67b 100644
--- a/src/hb-common.cc
+++ b/src/hb-common.cc
@@ -412,7 +412,7 @@ hb_script_from_iso15924_tag (hb_tag_t tag)
     case HB_TAG('Q','a','a','i'): return HB_SCRIPT_INHERITED;
     case HB_TAG('Q','a','a','c'): return HB_SCRIPT_COPTIC;
 
-    /* Script variants from http://unicode.org/iso15924/ */
+    /* Script variants from https://unicode.org/iso15924/ */
     case HB_TAG('C','y','r','s'): return HB_SCRIPT_CYRILLIC;
     case HB_TAG('L','a','t','f'): return HB_SCRIPT_LATIN;
     case HB_TAG('L','a','t','g'): return HB_SCRIPT_LATIN;
@@ -480,7 +480,7 @@ hb_script_to_iso15924_tag (hb_script_t script)
 hb_direction_t
 hb_script_get_horizontal_direction (hb_script_t script)
 {
-  /* http://goo.gl/x9ilM */
+  /* https://docs.google.com/spreadsheets/d/1Y90M0Ie3MUJ6UVCRDOypOtijlMDLNNyyLk36T6iMu0o */
   switch ((hb_tag_t) script)
   {
     /* Unicode-1.1 additions */
diff --git a/src/hb-common.h b/src/hb-common.h
index 26200ce12..9040f5043 100644
--- a/src/hb-common.h
+++ b/src/hb-common.h
@@ -142,8 +142,8 @@ hb_language_get_default (void);
 
 /* hb_script_t */
 
-/* http://unicode.org/iso15924/ */
-/* http://goo.gl/x9ilM */
+/* https://unicode.org/iso15924/ */
+/* https://docs.google.com/spreadsheets/d/1Y90M0Ie3MUJ6UVCRDOypOtijlMDLNNyyLk36T6iMu0o */
 /* Unicode Character Database property: Script (sc) */
 typedef enum
 {
@@ -323,7 +323,7 @@ typedef enum
    * since technically enums are int, and indeed, hb_script_t ends up being signed.
    * See this thread for technicalities:
    *
-   *   http://lists.freedesktop.org/archives/harfbuzz/2014-March/004150.html
+   *   https://lists.freedesktop.org/archives/harfbuzz/2014-March/004150.html
    */
   _HB_SCRIPT_MAX_VALUE				= HB_TAG_MAX, /*< skip >*/
   _HB_SCRIPT_MAX_VALUE_SIGNED			= HB_TAG_MAX_SIGNED /*< skip >*/
diff --git a/src/hb-coretext.cc b/src/hb-coretext.cc
index 8bb200161..7055e5f79 100644
--- a/src/hb-coretext.cc
+++ b/src/hb-coretext.cc
@@ -1005,7 +1005,7 @@ resize_and_retry:
     /* For right-to-left runs, CoreText returns the glyphs positioned such that
      * any trailing whitespace is to the left of (0,0).  Adjust coordinate system
      * to fix for that.  Test with any RTL string with trailing spaces.
-     * https://code.google.com/p/chromium/issues/detail?id=469028
+     * https://crbug.com/469028
      */
     if (HB_DIRECTION_IS_BACKWARD (buffer->props.direction))
     {
@@ -1058,7 +1058,7 @@ resize_and_retry:
 	 * However, even that wouldn't work if we were passed in the CGFont to
 	 * construct a hb_face to begin with.
 	 *
-	 * See: http://github.com/harfbuzz/harfbuzz/pull/36
+	 * See: https://github.com/harfbuzz/harfbuzz/pull/36
 	 *
 	 * Also see: https://bugs.chromium.org/p/chromium/issues/detail?id=597098
 	 */
@@ -1248,7 +1248,7 @@ resize_and_retry:
      * directions.  As such, disable the assert...  It wouldn't crash, but
      * cursoring will be off...
      *
-     * http://crbug.com/419769
+     * https://crbug.com/419769
      */
     if (0)
     {
diff --git a/src/hb-ft.cc b/src/hb-ft.cc
index e68960d5b..aa6c1a100 100644
--- a/src/hb-ft.cc
+++ b/src/hb-ft.cc
@@ -177,7 +177,7 @@ hb_ft_get_nominal_glyph (hb_font_t *font HB_UNUSED,
       /* For symbol-encoded OpenType fonts, we duplicate the
        * U+F000..F0FF range at U+0000..U+00FF.  That's what
        * Windows seems to do, and that's hinted about at:
-       * http://www.microsoft.com/typography/otspec/recom.htm
+       * https://docs.microsoft.com/en-us/typography/opentype/spec/recom
        * under "Non-Standard (Symbol) Fonts". */
       g = FT_Get_Char_Index (ft_font->ft_face, 0xF000u + unicode);
       if (!g)
diff --git a/src/hb-ot-cmap-table.hh b/src/hb-ot-cmap-table.hh
index 4114b35d6..959ca97f2 100644
--- a/src/hb-ot-cmap-table.hh
+++ b/src/hb-ot-cmap-table.hh
@@ -30,16 +30,16 @@
 #include "hb-open-type-private.hh"
 #include "hb-subset-plan.hh"
 
-namespace OT {
-
-
 /*
- * cmap -- Character To Glyph Index Mapping Table
+ * cmap -- Character to Glyph Index Mapping
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/cmap
  */
-
 #define HB_OT_TAG_cmap HB_TAG('c','m','a','p')
 
 
+namespace OT {
+
+
 struct CmapSubtableFormat0
 {
   inline bool get_glyph (hb_codepoint_t codepoint, hb_codepoint_t *glyph) const
@@ -738,7 +738,7 @@ struct cmap
 	/* For symbol-encoded OpenType fonts, we duplicate the
 	 * U+F000..F0FF range at U+0000..U+00FF.  That's what
 	 * Windows seems to do, and that's hinted about at:
-	 * http://www.microsoft.com/typography/otspec/recom.htm
+	 * https://docs.microsoft.com/en-us/typography/opentype/spec/recom
 	 * under "Non-Standard (Symbol) Fonts". */
 	return typed_obj->get_glyph (0xF000u + codepoint, glyph);
       }
diff --git a/src/hb-ot-layout-common-private.hh b/src/hb-ot-layout-common-private.hh
index e9240aaa7..9251a6a99 100644
--- a/src/hb-ot-layout-common-private.hh
+++ b/src/hb-ot-layout-common-private.hh
@@ -270,7 +270,7 @@ struct Script
 typedef RecordListOf<Script> ScriptList;
 
 
-/* http://www.microsoft.com/typography/otspec/features_pt.htm#size */
+/* https://docs.microsoft.com/en-us/typography/opentype/spec/features_pt#size */
 struct FeatureParamsSize
 {
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -292,7 +292,7 @@ struct FeatureParamsSize
      *
      * The specification for this feature tag is in the "OpenType Layout Tag
      * Registry". You can see a copy of this at:
-     * http://partners.adobe.com/public/developer/opentype/index_tag8.html#size
+     * https://docs.microsoft.com/en-us/typography/opentype/spec/features_pt#tag-size
      *
      * Here is one set of rules to determine if the 'size' feature is built
      * correctly, or as by the older versions of MakeOTF. You may be able to do
@@ -382,7 +382,7 @@ struct FeatureParamsSize
   DEFINE_SIZE_STATIC (10);
 };
 
-/* http://www.microsoft.com/typography/otspec/features_pt.htm#ssxx */
+/* https://docs.microsoft.com/en-us/typography/opentype/spec/features_pt#ssxx */
 struct FeatureParamsStylisticSet
 {
   inline bool sanitize (hb_sanitize_context_t *c) const
@@ -416,7 +416,7 @@ struct FeatureParamsStylisticSet
   DEFINE_SIZE_STATIC (4);
 };
 
-/* http://www.microsoft.com/typography/otspec/features_ae.htm#cv01-cv99 */
+/* https://docs.microsoft.com/en-us/typography/opentype/spec/features_ae#cv01-cv99 */
 struct FeatureParamsCharacterVariants
 {
   inline bool sanitize (hb_sanitize_context_t *c) const
diff --git a/src/hb-ot-layout-private.hh b/src/hb-ot-layout-private.hh
index 870ba73fa..9bcbf1cbc 100644
--- a/src/hb-ot-layout-private.hh
+++ b/src/hb-ot-layout-private.hh
@@ -309,7 +309,7 @@ _hb_glyph_info_set_unicode_props (hb_glyph_info_t *info, hb_buffer_t *buffer)
        * processing on. */
 
       /* Only Mn and Mc can have non-zero ccc:
-       * http://www.unicode.org/policies/stability_policy.html#Property_Value
+       * https://unicode.org/policies/stability_policy.html#Property_Value
        * """
        * Canonical_Combining_Class, General_Category
        * All characters other than those with General_Category property values
diff --git a/src/hb-ot-layout.h b/src/hb-ot-layout.h
index 85938ba12..d82dc0226 100644
--- a/src/hb-ot-layout.h
+++ b/src/hb-ot-layout.h
@@ -307,7 +307,7 @@ Xhb_ot_layout_lookup_position (hb_font_t            *font,
 #endif
 
 /* Optical 'size' feature info.  Returns true if found.
- * http://www.microsoft.com/typography/otspec/features_pt.htm#size */
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/features_pt#size */
 HB_EXTERN hb_bool_t
 hb_ot_layout_get_size_params (hb_face_t    *face,
 			      unsigned int *design_size,       /* OUT.  May be NULL */
diff --git a/src/hb-ot-shape-complex-arabic.cc b/src/hb-ot-shape-complex-arabic.cc
index 47961bfd5..124a67f32 100644
--- a/src/hb-ot-shape-complex-arabic.cc
+++ b/src/hb-ot-shape-complex-arabic.cc
@@ -421,7 +421,7 @@ retry:
 /*
  * Stretch feature: "stch".
  * See example here:
- * https://www.microsoft.com/typography/OpenTypeDev/syriac/intro.htm
+ * https://docs.microsoft.com/en-us/typography/script-development/syriac
  * We implement this in a generic way, such that the Arabic subtending
  * marks can use it as well.
  */
@@ -611,7 +611,7 @@ postprocess_glyphs_arabic (const hb_ot_shape_plan_t *plan,
   HB_BUFFER_DEALLOCATE_VAR (buffer, arabic_shaping_action);
 }
 
-/* http://www.unicode.org/reports/tr53/tr53-1.pdf */
+/* https://unicode.org/reports/tr53/tr53-1.pdf */
 
 static hb_codepoint_t
 modifier_combining_marks[] =
diff --git a/src/hb-ot-shape-complex-indic-private.hh b/src/hb-ot-shape-complex-indic-private.hh
index 867b93627..9554994a0 100644
--- a/src/hb-ot-shape-complex-indic-private.hh
+++ b/src/hb-ot-shape-complex-indic-private.hh
@@ -42,7 +42,7 @@
 #define INDIC_TABLE_ELEMENT_TYPE uint16_t
 
 /* Cateories used in the OpenType spec:
- * https://www.microsoft.com/typography/otfntdev/devanot/shaping.aspx
+ * https://docs.microsoft.com/en-us/typography/script-development/devanagari
  */
 /* Note: This enum is duplicated in the -machine.rl source file.
  * Not sure how to avoid duplication. */
diff --git a/src/hb-ot-shape-complex-indic.cc b/src/hb-ot-shape-complex-indic.cc
index 32ad86a5f..fdc8966e9 100644
--- a/src/hb-ot-shape-complex-indic.cc
+++ b/src/hb-ot-shape-complex-indic.cc
@@ -435,7 +435,7 @@ update_consonant_positions (const hb_ot_shape_plan_t *plan,
 
 
 /* Rules from:
- * https://www.microsoft.com/typography/otfntdev/devanot/shaping.aspx */
+ * https://docs.microsqoft.com/en-us/typography/script-development/devanagari */
 
 static void
 initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
@@ -1512,7 +1512,7 @@ decompose_indic (const hb_ot_shape_normalize_context_t *c,
      * The Uniscribe behavior is now documented in the newly published Sinhala
      * spec in 2012:
      *
-     *   http://www.microsoft.com/typography/OpenTypeDev/sinhala/intro.htm#shaping
+     *   https://docs.microsoft.com/en-us/typography/script-development/sinhala#shaping
      */
 
     const indic_shape_plan_t *indic_plan = (const indic_shape_plan_t *) c->plan->data;
diff --git a/src/hb-ot-shape-complex-khmer.cc b/src/hb-ot-shape-complex-khmer.cc
index 304879d8f..e86eb87a2 100644
--- a/src/hb-ot-shape-complex-khmer.cc
+++ b/src/hb-ot-shape-complex-khmer.cc
@@ -275,7 +275,7 @@ compare_khmer_order (const hb_glyph_info_t *pa, const hb_glyph_info_t *pb)
 
 
 /* Rules from:
- * https://www.microsoft.com/typography/otfntdev/devanot/shaping.aspx */
+ * https://docs.microsoft.com/en-us/typography/script-development/devanagari */
 
 static void
 initial_reordering_consonant_syllable (const hb_ot_shape_plan_t *plan,
diff --git a/src/hb-ot-shape-complex-myanmar-private.hh b/src/hb-ot-shape-complex-myanmar-private.hh
index 04f81bd12..14d011d67 100644
--- a/src/hb-ot-shape-complex-myanmar-private.hh
+++ b/src/hb-ot-shape-complex-myanmar-private.hh
@@ -68,7 +68,7 @@ set_myanmar_properties (hb_glyph_info_t &info)
   indic_position_t pos = (indic_position_t) (type >> 8);
 
   /* Myanmar
-   * http://www.microsoft.com/typography/OpenTypeDev/myanmar/intro.htm#analyze
+   * https://docs.microsoft.com/en-us/typography/script-development/myanmar#analyze
    */
   if (unlikely (hb_in_range<hb_codepoint_t> (u, 0xFE00u, 0xFE0Fu)))
     cat = (indic_category_t) OT_VS;
diff --git a/src/hb-ot-shape-complex-myanmar.cc b/src/hb-ot-shape-complex-myanmar.cc
index 3c57bc1ff..4007ee911 100644
--- a/src/hb-ot-shape-complex-myanmar.cc
+++ b/src/hb-ot-shape-complex-myanmar.cc
@@ -161,7 +161,7 @@ compare_myanmar_order (const hb_glyph_info_t *pa, const hb_glyph_info_t *pb)
 
 
 /* Rules from:
- * http://www.microsoft.com/typography/OpenTypeDev/myanmar/intro.htm */
+ * https://docs.microsoft.com/en-us/typography/script-development/myanmar */
 
 static void
 initial_reordering_consonant_syllable (hb_buffer_t *buffer,
diff --git a/src/hb-ot-shape-complex-thai.cc b/src/hb-ot-shape-complex-thai.cc
index 6ba925c67..5902b36c0 100644
--- a/src/hb-ot-shape-complex-thai.cc
+++ b/src/hb-ot-shape-complex-thai.cc
@@ -260,7 +260,7 @@ preprocess_text_thai (const hb_ot_shape_plan_t *plan,
 {
   /* This function implements the shaping logic documented here:
    *
-   *   http://linux.thai.net/~thep/th-otf/shaping.html
+   *   https://linux.thai.net/~thep/th-otf/shaping.html
    *
    * The first shaping rule listed there is needed even if the font has Thai
    * OpenType tables.  The rest do fallback positioning based on PUA codepoints.
diff --git a/src/hb-ot-shape-complex-use-private.hh b/src/hb-ot-shape-complex-use-private.hh
index f7ded133d..b4bda8bb7 100644
--- a/src/hb-ot-shape-complex-use-private.hh
+++ b/src/hb-ot-shape-complex-use-private.hh
@@ -38,7 +38,7 @@
 #define USE_TABLE_ELEMENT_TYPE uint8_t
 
 /* Cateories used in the Universal Shaping Engine spec:
- * https://www.microsoft.com/typography/OpenTypeDev/USE/intro.htm
+ * https://docs.microsoft.com/en-us/typography/script-development/use
  */
 /* Note: This enum is duplicated in the -machine.rl source file.
  * Not sure how to avoid duplication. */
diff --git a/src/hb-ot-shape-complex-use.cc b/src/hb-ot-shape-complex-use.cc
index ee7653b51..d18ccaafd 100644
--- a/src/hb-ot-shape-complex-use.cc
+++ b/src/hb-ot-shape-complex-use.cc
@@ -35,7 +35,7 @@
 
 /*
  * Universal Shaping Engine.
- * https://www.microsoft.com/typography/OpenTypeDev/USE/intro.htm
+ * https://docs.microsoft.com/en-us/typography/script-development/use
  */
 
 static const hb_tag_t
diff --git a/src/hb-ot-shape-fallback.cc b/src/hb-ot-shape-fallback.cc
index c7b46053d..fbf31ab24 100644
--- a/src/hb-ot-shape-fallback.cc
+++ b/src/hb-ot-shape-fallback.cc
@@ -548,7 +548,7 @@ _hb_ot_shape_fallback_spaces (const hb_ot_shape_plan_t *plan,
 
 	case t::SPACE_NARROW:
 	  /* Half-space?
-	   * Unicode doc http://www.unicode.org/charts/PDF/U2000.pdf says ~1/4 or 1/5 of EM.
+	   * Unicode doc https://unicode.org/charts/PDF/U2000.pdf says ~1/4 or 1/5 of EM.
 	   * However, in my testing, many fonts have their regular space being about that
 	   * size.  To me, a percentage of the space width makes more sense.  Half is as
 	   * good as any. */
diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 1338c3173..991d8e77a 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -116,8 +116,7 @@ hb_ot_new_tag_to_script (hb_tag_t tag)
 
 /*
  * Complete list at:
- * https://www.microsoft.com/typography/otspec/scripttags.htm
- * https://www.microsoft.com/typography/otspec160/scripttagsProposed.htm
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/scripttags
  *
  * Most of the script tags are the same as the ISO 15924 tag but lowercased.
  * So we just do that, and handle the exceptional cases in a switch.
@@ -159,7 +158,7 @@ typedef struct {
 
 /*
  * Complete list at:
- * http://www.microsoft.com/typography/otspec/languagetags.htm
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/languagetags
  *
  * Generated by intersecting the OpenType language tag list from
  * Draft OpenType 1.5 spec, with with the ISO 639-3 codes from
@@ -176,7 +175,7 @@ typedef struct {
  * Updated as of 2015-05-06: OT1.7 on MS website has some newer
  * items that we don't have here, eg. Zazaki.  This is the new
  * items in OpenType 1.7 (red items), most of which we have:
- * http://www.microsoft.com/typography/otspec170/languagetags.htm
+ * https://docs.microsoft.com/en-us/typography/opentype/spec/languagetags
  */
 
 static const LangTag ot_languages[] = {
@@ -1010,7 +1009,7 @@ hb_ot_tag_from_language (hb_language_t language)
 /**
  * hb_ot_tag_to_language:
  *
- * 
+ *
  *
  * Return value: (transfer none):
  *
diff --git a/src/hb-private.hh b/src/hb-private.hh
index e34bb76a9..e40217ee4 100644
--- a/src/hb-private.hh
+++ b/src/hb-private.hh
@@ -221,8 +221,8 @@ static int errno = 0; /* Use something better? */
 #    endif
 #  elif defined(_MSC_VER) || defined(__MINGW32__)
 /* For MSVC:
- * http://msdn.microsoft.com/en-ca/library/tze57ck3.aspx
- * http://msdn.microsoft.com/en-ca/library/zk17ww08.aspx
+ * https://msdn.microsoft.com/en-us/library/tze57ck3.aspx
+ * https://msdn.microsoft.com/en-us/library/zk17ww08.aspx
  * mingw32 headers say atexit is safe to use in shared libraries.
  */
 #    define HB_USE_ATEXIT 1
diff --git a/src/hb-string-array.hh b/src/hb-string-array.hh
index ba829b0cf..d83553dd0 100644
--- a/src/hb-string-array.hh
+++ b/src/hb-string-array.hh
@@ -42,7 +42,7 @@ static const union HB_STRING_ARRAY_TYPE_NAME {
   struct {
 /* I like to avoid storing the nul-termination byte since we don't need it,
  * but C++ does not allow that.
- * https://stackoverflow.com/questions/28433862/why-initializer-string-for-array-of-chars-is-too-long-compiles-fine-in-c-not
+ * https://stackoverflow.com/q/28433862
  */
 #define _S(s) char HB_PASTE (str, __LINE__)[sizeof (s)];
 #include HB_STRING_ARRAY_LIST
diff --git a/src/hb-unicode-private.hh b/src/hb-unicode-private.hh
index 82bb9a4dd..5472ece2f 100644
--- a/src/hb-unicode-private.hh
+++ b/src/hb-unicode-private.hh
@@ -202,8 +202,8 @@ HB_UNICODE_FUNCS_IMPLEMENT_CALLBACKS_SIMPLE
   }
 
   /* Space estimates based on:
-   * http://www.unicode.org/charts/PDF/U2000.pdf
-   * https://www.microsoft.com/typography/developers/fdsspec/spaces.aspx
+   * https://unicode.org/charts/PDF/U2000.pdf
+   * https://docs.microsoft.com/en-us/typography/develop/character-design-standards/whitespace
    */
   enum space_t {
     NOT_SPACE = 0,
@@ -276,10 +276,10 @@ extern HB_INTERNAL const hb_unicode_funcs_t _hb_unicode_funcs_nil;
  * We permute the "fixed-position" classes 10-26 into the order
  * described in the SBL Hebrew manual:
  *
- * http://www.sbl-site.org/Fonts/SBLHebrewUserManual1.5x.pdf
+ * https://www.sbl-site.org/Fonts/SBLHebrewUserManual1.5x.pdf
  *
  * (as recommended by:
- *  http://forum.fontlab.com/archive-old-microsoft-volt-group/vista-and-diacritic-ordering-t6751.0.html)
+ *  https://forum.fontlab.com/archive-old-microsoft-volt-group/vista-and-diacritic-ordering/msg22823/)
  *
  * More details here:
  * https://bugzilla.mozilla.org/show_bug.cgi?id=662055
@@ -306,8 +306,8 @@ extern HB_INTERNAL const hb_unicode_funcs_t _hb_unicode_funcs_nil;
  * Arabic
  *
  * Modify to move Shadda (ccc=33) before other marks.  See:
- * http://unicode.org/faq/normalization.html#8
- * http://unicode.org/faq/normalization.html#9
+ * https://unicode.org/faq/normalization.html#8
+ * https://unicode.org/faq/normalization.html#9
  */
 #define HB_MODIFIED_COMBINING_CLASS_CCC27 28 /* fathatan */
 #define HB_MODIFIED_COMBINING_CLASS_CCC28 29 /* dammatan */
@@ -346,9 +346,9 @@ extern HB_INTERNAL const hb_unicode_funcs_t _hb_unicode_funcs_nil;
 #define HB_MODIFIED_COMBINING_CLASS_CCC122 122 /* mai * */
 
 /* Tibetan
- * 
- * In case of multiple vowel-signs, use u first (but after achung) 
- * this allows Dzongkha multi-vowel shortcuts to render correctly 
+ *
+ * In case of multiple vowel-signs, use u first (but after achung)
+ * this allows Dzongkha multi-vowel shortcuts to render correctly
  */
 #define HB_MODIFIED_COMBINING_CLASS_CCC129 129 /* sign aa */
 #define HB_MODIFIED_COMBINING_CLASS_CCC130 132 /* sign i */
diff --git a/test/api/test-buffer.c b/test/api/test-buffer.c
index b9a0268ce..5c98a9a16 100644
--- a/test/api/test-buffer.c
+++ b/test/api/test-buffer.c
@@ -445,7 +445,7 @@ static const utf8_validity_test_t utf8_validity_tests[] = {
   { "\xe2\x89\xa0\xe2\x89\xa0",  5, 3, FALSE },
   { "\xe2\x89\xa0\xe2\x89\xa0",  6, 6, TRUE },
 
-  /* examples from http://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt */
+  /* examples from https://www.cl.cam.ac.uk/~mgk25/ucs/examples/UTF-8-test.txt */
   /* greek 'kosme' */
   { "\xce\xba\xe1\xbd\xb9\xcf\x83\xce\xbc\xce\xb5", -1, 11, TRUE },
   /* first sequence of each length */
diff --git a/test/api/test-ot-tag.c b/test/api/test-ot-tag.c
index 6fe79b422..e821b3625 100644
--- a/test/api/test-ot-tag.c
+++ b/test/api/test-ot-tag.c
@@ -31,7 +31,7 @@
 /* Unit tests for hb-ot-tag.h */
 
 
-/* https://www.microsoft.com/typography/otspec/scripttags.htm */
+/* https://docs.microsoft.com/en-us/typography/opentype/spec/scripttags */
 
 static void
 test_simple_tags (const char *s, hb_script_t script)
@@ -112,7 +112,7 @@ test_ot_tag_script_simple (void)
   /* Unicode-5.1 additions */
   test_simple_tags ("vai ", HB_SCRIPT_VAI);
 
-  /* https://www.microsoft.com/typography/otspec160/scripttagsProposed.htm */
+  /* https://docs.microsoft.com/en-us/typography/opentype/spec/scripttags */
 
   /* Unicode-5.2 additions */
   test_simple_tags ("mtei", HB_SCRIPT_MEETEI_MAYEK);
@@ -137,7 +137,7 @@ test_ot_tag_script_indic (void)
 
 
 
-/* https://www.microsoft.com/typography/otspec/languagetags.htm */
+/* https://docs.microsoft.com/en-us/typography/opentype/spec/languagetags */
 
 static void
 test_language_two_way (const char *tag_s, const char *lang_s)
diff --git a/test/api/test-shape.c b/test/api/test-shape.c
index c274f0f7e..6232e7382 100644
--- a/test/api/test-shape.c
+++ b/test/api/test-shape.c
@@ -154,7 +154,7 @@ test_shape_clusters (void)
   buffer =  hb_buffer_create ();
   hb_buffer_set_direction (buffer, HB_DIRECTION_LTR);
   {
-    /* https://code.google.com/p/chromium/issues/detail?id=497578 */
+    /* https://crbug.com/497578 */
     hb_codepoint_t test[] = {0xFFF1, 0xF0B6};
     hb_buffer_add_utf32 (buffer, test, 2, 0, 2);
   }