improve PR #246 - part 1

Fixed links between rules and guidelines.

Add guideline about "Rule 2 - Size restrictions" not changing soon.

Expand "Guidelines for Rule 13 - No carriage returns in prog.c".

Put the word, "restrictions" into "Rule 2 - Size restrictions".
While this is a **GOOD IDEA**, the concept needs to be rolled out
over all of the rules, not just "Rule 2 - Size restrictions".

Changed IOCCC Rules to version **29.13 2025-12-01**.
Changed IOCCC Guidelines to version **29.06 2025-12-01**.

Ran `make quick_www` to perform the above.

next/rules.md

@@ -39,7 +39,7 @@ writing by [contacting the judges](../contact.html).
 
 ## Rules Version
 
-These IOCCC Rules are version **29.12 2025-12-01**.
+These IOCCC Rules are version **29.13 2025-12-01**.
 
 <p class="leftbar">
 The <span style='font-size:28px;'><b>&verbar;</b></span> symbol indicates an **change** from the previous IOCCC.
@@ -97,7 +97,7 @@ FAQ on "[How can I comment or make a suggestion on IOCCC rules, guidelines and t
 Your submission **MUST** be a C program.
 </p>
 
-See the [Guidelines for Rule 1 - C program](guidelines.html#guidelines-for-rule-1---c-program).
+See the [Guidelines for Rule 1 - C program](guidelines.html#guideline1-c).
 
 
 <div id="rule2">
@@ -120,7 +120,7 @@ During development this can be checked using `iocccsize(1)`:
     iocccsize prog.c
 ```
 
-See the [Guidelines for Rule 2 - Size restrictions](guidelines.html#guideline-2---size).
+See the [Guidelines for Rule 2 - Size restrictions](guidelines.html#guideline2-size).
 
 
 <div id="rule2a">
@@ -150,8 +150,9 @@ command line argument to the latest version of the official IOCCC size
 tool (hereby referred to as `iocccsize(1)`), the value printed **MUST
 NOT** exceed **2503**.
 
-**NOTE**: `iocccsize` does **NOT** calculate the filename length. See [Rule 17 -
-Use mkiocccentry](#rule17-mkiocccentry).
+**NOTE**: `iocccsize` does **NOT** calculate the filename length.
+
+See [Rule 17 - Use mkiocccentry](#rule17-mkiocccentry).
 
 
 <div id="rule3">
@@ -170,7 +171,7 @@ See [How to register for the IOCCC](register.html).
 
 See [Entering the IOCCC: the bare minimum you need to know](../quick-start.html#enter).
 
-See [Guidelines for Rule 3 - Register for the IOCCC](guidelines.html#guideline-3---register).
+See [Guidelines for Rule 3 - Register for the IOCCC](guidelines.html#guideline3-register).
 
 
 <div id="rule4">
@@ -265,11 +266,11 @@ See [Rule 17 - Use mkiocccentry](rules.html#rule17-mkiocccentry).
 See the
 FAQ on "[What permissions may my files be and what if I need different permissions?](../faq.html#file_perms)".
 
-See the [Guidelines on the mkiocccentry toolkit](guidelines.html#mkiocccentry_toolkit).
-
 See the
 FAQ on "[What are the detailed recommendations for a submission Makefile?](../faq.html#makefile_details)".
 
+See the [Guidelines on the mkiocccentry toolkit](guidelines.html#mkiocccentry_toolkit).
+
 
 <div id="rule5">
 <div id="rule5-modifying-files">
@@ -334,7 +335,7 @@ You are permitted to use tools to write your code.
 
 See [Rule 16 - Anonymous Judging](rules.html#rule16-anonymous-judging),
 and
-[Guidelines for Rule 7 - Original Work](guidelines.html#guideline-7---original-work).
+[Guidelines for Rule 7 - Original Work](guidelines.html#guideline7-original).
 
 
 <div id="rule8">
@@ -365,6 +366,8 @@ See
 and
 [Rule 17 - Use mkiocccentry](rules.html#rule17-mkiocccentry).
 
+See [Guidelines for Rule 8 - Submitting requirements](guidelines.html#guideline8-submitting).
+
 
 <div id="rule9">
 ## Rule 9 - No interactive compiling allowed
@@ -386,6 +389,8 @@ in the Makefile.
 
 See [Rule 15 - GNU Makefile](rules.html#rule15-gnu-makefile).
 
+See [Guidelines for Rule 9 - No interactive compiling allowed](guidelines.html#guideline9-no-interactive).
+
 
 <div id="rule10">
 ## Rule 10 - Program file permissions
@@ -435,7 +440,7 @@ version, **PLEASE** indicate that in your `remarks.md` file of your non-rule
 abusing version so that the Judges don't think you uploaded a duplicate into a
 wrong slot by mistake.
 
-See [Guidelines for Rule 11 - Legal rule abuse](guidelines.html#guideline-11---abuse).
+See [Guidelines for Rule 11 - Legal rule abuse](guidelines.html#guideline11-abuse).
 
 
 <div id="rule12">
@@ -447,6 +452,8 @@ See [Guidelines for Rule 11 - Legal rule abuse](guidelines.html#guideline-11---a
 Use of UTF-8 is supported by `C89` standard and its updates and so too by the
 IOCCC.
 
+See [Guidelines for Rule 12 - UTF-8](guidelines.html#guideline12-utf8).
+
 
 <div id="rule13">
 ## Rule 13 - No carriage returns in prog.c
@@ -466,6 +473,8 @@ need to do this, please document that in your `remarks.md` file and if
 your compiler complains about this, document this too and update your
 `Makefile` to account for this.
 
+See [Guidelines for Rule 13 - No carriage returns in prog.c](guidelines.html#guideline13-nocr).
+
 
 <div id="rule14">
 ## Rule 14 - Resubmitting lost submissions
@@ -528,7 +537,7 @@ See [Rule 4 - Required files](rules.html#rule4-required-files).
 See
 FAQ on "[What are the detailed recommendations for a submission Makefile?](../faq.html#makefile_details)".
 
-See [Guidelines for Rule 15 - GNU Makefile](guidelines.html#guideline-15---building).
+See [Guidelines for Rule 15 - GNU Makefile](guidelines.html#guideline15-gnu-makefile).
 
 
 <div id="rule16">
@@ -608,7 +617,7 @@ for testing and the IOCCC judges.
 </p>
 
 <p class="leftbar">
-The `prog.c` file should pass the [Rule 2 - Size](rules.html#rule2-size)
+The `prog.c` file should pass the [Rule 2 - Size restrictions](rules.html#rule2-size)
 checks performed by `iocccsize(1)`.
 </p>
 
@@ -628,7 +637,7 @@ See [Rule 4 - Required files](rules.html#rule4-required-files).
 See the
 FAQ on "[What is the mkiocccentry tool, how do I obtain it and how do I use it?](../faq.html#mkiocccentry)".
 
-See the [Guidelines for Rule 17 - Use mkiocccentry](guidelines.html#guideline-17---packaging).
+See the [Guidelines for Rule 17 - Use mkiocccentry](guidelines.html#guideline17-mkiocccentry).
 
 
 <div id="rule18">